Discussion in 'Plumbing and Central Heating' started by drpepperlover, 6 Mar 2009. with a sealed central heating system, do you need to balance radiators or is just leaving them fully open sufficient as under higher pressure?? I usually switch to emergency heat when that happens until the weather gets warmer. It's independent from the blown fuse. A/c keeps blowing a 3 amp fuse on my furnace. gas4you, 6 Mar 2009 #5. drpepperlover. Blown fuses usually result either from an appliance putting too much strain on the fuse or by an electrical short in the system. When they replaced it , it blew a 20 amp fuse. The Furnace Fuse Keeps Blowing. Copyright© I have checked all leads/cables in the airing cupbaord are not pinched/uninsualted and there are no water leaks evdient. The 3 amp fuse on the board would blow instantly. 60 Pack 3 Amp ATC Fuse Replacement Blade Style Standard Size 3A Fuses with Fuse Puller for Automotive Car Truck Boat. December 22, 2019. Right now the outside temp is 25 degrees. The 3 amp fuse has blown today in the spur supplying it. It has no issues with fan and cool calls. The unit was off and the 3 amp fuse was blown. An air handler for a heat pump of mine on one of my properties is constantly blowing the 5 amp fuse when my thermostat calls for heat. Any ideas? My hvac blower control board keeps blowing the 3 amp fuse as soon as the heat cuts on, whats the deal? I have a White Rogers Model 1F86-344 thermostat that I am trying to wire to run my heat pump with reversing valve energized for cool. Get it as soon as Fri, Jan 15. Joined: 6 Mar 2009 Messages: 8 Thanks Received: 0 Location: Bournemouth Country: boiler is potteron flamingo system has header tank in loft 2 floors above. Basement Wall Leaks - Broken Water Pipes or something else? make sure the wires are disconnected and the power is turned off. If your heat pump is not blowing cool or warm air, or if it is not coming on, check the fuses and reset them, if necessary. The thermostat said backup was on. You need to find the root cause of the blown fuse on the furnace circuit board before you cause damage to the unit. Need thermostat wiring colors for new thermostat. View our Privacy Policy here. You could try just connecting the R and C connections. If the refrigerant level is low, your AC system has to work harder. well if it is, your heat pump may be bad..... the heater elements are causing a short that is blowing your fuses, or breaker. Tags: fuse blow; oil boiler ; ThatchedPhil New Member. I tried the heat on the furnace and it works just fine. [ 9 Answers ] My a/c keeps blowing the 3 amp fuse on my furnace. I turned off the input power and attached terminal R (24 VAC power to thermostat) and the fuse blew. It's getting cold out tonight. ... All we can probably guess is that it is gas, having only a 3 amp fuse . I not sure the wire color has been respected so I'll have to be careful about which wire is which. If your heat pump is not blowing cool or warm air, or if it is not coming on, check the fuses and reset them, if necessary. Within a 1.5 secs after I push door switch in the 3 amp fuse blows. Blown fuses usually result either from an appliance putting too much strain on the fuse or by an electrical short in the system. I turned off the input power and attached terminal R (24 VAC power to thermostat) and the fuse blew. The 3 amp fuse on the board would blow instantly. I do not know if the fuse blew during operation, shutdown, or when the next request for cool happened. A process of elimination got it down to one wire, to the compressor outside. problems contact webmaster@doityourself.com. Here's how to diagnose a low voltage short. When the fuse is replaced, the system works great. Since some furnaces can require a lot of electricity, homeowners must ensure that they have an adequate electrical system to support the furnace. I did some researching and found out it was the 3A fuse. up. suggestions. Dirt. N ever had a problem with the a/c in the last 10 years and now I have this problem. Hello, I have a Goodman Heat Pump (GSZ14) with Single Stage Heat and Cool plus backup electric auxiliary heat. I have a 5 year old goodman heatpump with a 15 year old furnace. You may freely link Twice in less than a 12 hour period, my Carrier 58CVA furnace blew the 3 amp fuse in the control board. If the transformer was gone you wouldn't be blowing fuses. I've disconnect the C and Y terminals on the air handler control board plus the CNT terminal which goes to the contactor without help. The installers had drilled a 2" hole through the side of the building through the rim joist to run the line set through. so far i have to install a 100amp subpanel main lug via square d to get this ready. Might be two conductors touching,causing a short circuit or someone has monkeyed with it before. Go. N ever had a problem with the a/c in the last 10 years and now I have this problem. The fuel pump was bad and was replaced under warranty. Is the HP not telling the furnace to come on? I have read that this is often caused by the pump or fan. Since some furnaces can require a lot of electricity, homeowners must ensure that they have an adequate electrical system to support the furnace. Matt Vernon New Member. I checked and the furnace was off, fuse blown and thermostat was asking for cool. They put in new fuse and it ran fine till this week. For the last 6 months we've been having to replace the 30 amp fuses outside approx. 3-amp fuse on air handler keeps blowing. It went directly to backup system. You need to find the root cause of the blown fuse on the furnace circuit board before you cause damage to the unit. I have a 5 year old goodman heatpump with a 15 year old furnace. Common Reasons Your AC Fuses Keep Blowing. I can have the unit on AC and it runs fine without blowing a fuse but as soon as i switch it to heat it blows the fuse. I replace the T-Stat wire from the stat to the unit, to ensure that the fuse was not tripping due to a pinched wire. Just connected all wires to zone board and disconnected wires to defrost board. I have a 4 Ton Performance Series 2 Stage Heat Pump (25HPA648A003) and a FV4CNF005T00 - 4 Ton Bryant Air Handler. I've removed low voltage wires coming from thermostat and ac unit and I've removed the 9 pin connector for the 24 volt circuit within the furnace. This is what I wrote in this post: “If the fuse is blown check all your low voltage wiring to make sure it is not grounding out anywhere. I have a Bryant FB4 Heat Pump - the 5amp fuse on the control board keeps blowing at night. Heat works fine. It continues to blow fuse and they can't figure out what the problem is. Steve Arnold. I want it fixed so my heat pump … They also ran the thermostat wire through the 2" hole. Fuse in Air Handler Blowing - Caused by something in Heat Pump. We welcome your comments and What I did for each wire is look for continuity between the condenser casing and each wire. The air handler has a 5 amp fuse that blows almost every … But for those who’ve recently encountered one common issue – a furnace blowing its fuse – before scheduling that tune-up, it may be due to one or more of the following reasons: 1. model wise, all the baseboards are cadet softheat liquid filled. Steve Arnold. A process of elimination got it down to one wire, to the compressor outside. Ecobee4 on heat pump 2 zone system...problems... Trane Heat Pump 24 Volt Electrical Problems, SER cable vs Conduit - Indoor subpanel ampacity/temperature questions. The fuel pump was bad and was replaced under warranty. Some of the most common problems are: Low refrigerant. Now even a 5 amp fuse blows when system starts. If you haven’t been diligent about maintaining your furnace, all its parts will have been silently and … My car has 160000 miles. Last night I changed the tstat hoping it was that and it … read more. I let the unit run the A/C. i have attached an image of the plan i have drawn up. The number of actual blown fuses in this country is becoming fewer and fewer as people continue to have their old fuse boxes replaced by new electrical panels 200-amp service, and circuit breakers. Any help would be appreciated. S. Stevenfyeager Senior Member. My car has 160000 miles. First, turn off the heat pump immediately and call a heating repair professional to find the problem. pump and diverter valve are in airing cupbaord in bathroom next to hot water … In the last three nights I've gone through 4 fuses. If the fuse keeps popping in your air conditioner, you have a 24 volt short. V12Tech. Any suggestions would be appreciated. Reply. Boiler internal fuse keeps blowing. It always seem to blow just when we turn the temp. The circuit breaker is doing its job by tripping and cutting the power before something worse (like an electrical fire) happens. I don't know anything … The issues we are having is the 3amp fuse keeps popping. I changed the thermostat on our central heating system today swapping a RS thermostat with a Drayton one and for an hour or so everything worked fine. With a good fuse in the AC work fine and you can switch the fan from Auto to Fan on with no problem. 4.6 out of 5 stars 209. Central heating blowing 3A fuse. However, when I switch to the a/c, it blows the 3 amp fuse immediately. I have goodman unit with furnace inside and and outdoor AC/heat. Website operating I also have blowing fuse problem. We had a power cut recently and boiler (old Potterton oil boiler) went dead and realised fuse inside boiler had blown. Could it be causing this issue? The 5 amp fuse on my control board blows as soon as you ask for heat. N ever had a problem with the a/c in the last 10 years and now I have this problem. 5 months later. For the last 6 months we've been having to replace the 30 amp fuses outside approx. One wire from control panel, other from t-stat. Impedance across condenser contactor is 12.4 and impedance across reversing valve coil is 12.9. My Ruud Furnace(achiever 90 Plus) keeps blowing the 3 amp fuse. So I went and checked the fuse.. and it was blown. Use a Ohm meter to check the Resistance between the contacts, usually where the wires land on the heater unit. I then opened up the air handler and found a blown fuse. As of today, the board no - Answered by a verified HVAC Technician Septic pump keeps blowing fuse. I have two Trane heat pumps. When I snap the cover on, the 3-amp fuse in the air handler in the attic blows. 3 Amp Fuse to Heating keeps blowing, why?!! to this site, and use it for non-commercial use subject to our terms of use. So short is likely in the defrost board I would guess. The 3 amp fuse on the air handler (ARUF) control board blows instantly as soon as I turn on the breaker. In the last three nights I've gone through 4 fuses. All information is provided "AS IS." 252 satisfied customers. For example, some of the issues that can be easily repaired by homeowners include:… Continue Reading Troubleshooting Problems With Your Heat Pump I have a Goodman split heat pump system, compressor CPLT24-1 and air handler ARUF032-00A-1C. Extending WiFi across yard to another home, How to fix a misaligned interior door lock. After a while the A/C turned off. DoItYourself.com®, founded in 1995, is the leading independent I have a furnace/coil that for the past 3 years has been blowing the 3 amp fuse on the board 2-3 times an entire heating season. Seems like this is likely an electrical short given how quickly the fuse goes with no request for heat or fan on the zone controller. Heat works fine. 4.8 out of 5 stars 101. Heat Pump Stopped Working After Power Outage, Blowing 3 Amp Fuse. I am wondering what you think could be the problem to prevent these nuisance trips. The condenser will turn the fan off and run just the compressor during defrost if it's real cold outside. 1 Posts . hi all, after a bit of advice. This can be the sign of an electrical problem, putting you at risk of a serious fire. I don't know anything … Asked November 22, 2016, 1:38 PM EST. The fuse goes even when no heat is requested. So I'm working on a sure comfort Nat gas furnace. Should I get a replacement defrost board? Luckily, the solution is simple. second, should i just wire the 3 zones separately? Furnace fuse keeps blowing? As soon as you request heat the fuse blows and when I try to run the fan to on nothing happens. 3 amp fuse blows as soon as A/C is turned on. First, turn off the heat pump immediately and call a heating repair professional to find the problem. A heat pump that doesn’t turn on is a fairly common and easily remedied problem. This morning when I got up the temp was at 59 degrees and nothing but the blower running. When the fuse is replaced, the system works great. The installer has replaced the two pole switch a couple of times in that time. I have a 4 Ton Performance Series 2 Stage Heat Pump (25HPA648A003) and a FV4CNF005T00 - 4 Ton Bryant Air Handler. Some of the most common problems are: Low refrigerant. Any suggestions? They put in new fuse and it ran fine till this week. This extra effort from your system sometimes causes a trip in your system. That's first time is blew in ac mode) I have checked voltages, amp of gas valve, shorts to ground, and cannot find any issue. Hi Gary! The unit runs ok for a few days and presto the fuse popped again. Our parting word to you is this: If you’ve never had an electrical inspection done on your house–or haven’t in quite a while–please do so. All rights reserved. If jumped system would start and function fine. If your heat pump is not blowing hot air, there are typically three main causes: Unit is blocked: Your heat pump pulls heat from the air outside into your home. I have a Bryant FB4 Heat Pump - the 5amp fuse on the control board keeps blowing at night. I have a heat pump with natural gas backup. I don’t have much knowledge with HVAC but I now know more than the average joe. Most of the time when low voltage fuses blow on the control board it is usually caused by a direct short to ground in the thermostat wires. and thermostats are cadet 7 day programmable rated each to 3600w. Discussion Starter • #1 • Feb 22, 2012. electric is not my strong suit at all. Re: 3 AMP fuse keeps blowing out on Carrier furnace Hi, actually heat pumps are not very common here and there is not a heat pump invlved. $6.99 $ 6. what wire should i use and breaker? DIY and save $300-$500. So I replaced the fuse, put the panel back on, and it didn't turn on. The installers had drilled a 2" hole through the side of the building through the rim joist to run the line set through. I tried the heat on the furnace and it works just fine. could that even work? Just bought a nuCamp 2021 T@b 400 Boondock, 28 DEC 2020 in PA. We love "Boony" and promptly drove across the country to bring her home to Arizona. Heat pumps are electrical units that provide central heating and cooling year round. Luckily, the solution is simple. Thanks! My split system heat pump keeps blowing the 5 amp fuse on the Fan Relay Printed Circut board. Heat pump not heating. We replaced the thermostat in the house, that didn't help. Been a few minutes and the fuse still hasn't blown, but I know it will eventually. After putting my old Honeywell (CT3600) t-stat back on, the system ran fine for a few hours then blew the fuse again (upon the start of a cycle). I found that the transformer in the air handler is blown along with the 3amp fuse. A heat pump that doesn’t turn on is a fairly common and easily remedied problem. I checked that power is reaching both units. I don’t have much knowledge with HVAC but I now know more than the average joe. The first time it blew, the technician replaced the fuse and the system still wouldn't start. Heat Pump Breaker Trips - Richard, my breaker keeps tripping for my heat pump. I was told it would automatically switch over to gas at a certain temp. Solved, see below. Can you help? However, one of the most common causes of heat pump system failure is tripped circuit breakers or blown fuses. The circuit breaker is doing its job by tripping and cutting the power before something worse (like an electrical fire) happens. The voltage out of the transformer reads 26.3 volts. Location United States, Indiana. I was blowing the 5 Amp fuse on the control board for my forced air gas furnace. Is your air conditioner tripping the breaker and blowing a fuse? ), Help! The 3 amp fuse has blown today in the spur supplying it. Then only raised it to 61 degrees. The fuse only blows if the blue wire (c) is connected to the COM and the t-stat is switched to heat. Hi, My electric went out and when it came back on my thermostat kept clicking and my heater/air conditioner was not working. Hello, I have a Goodman Heat Pump (GSZ14) with Single Stage Heat and Cool plus backup electric auxiliary heat. Disconnected wire from control panel and the fuse stays good (but the A/C of course doesn't turn on). They were all OL. It seems to be a nuisance trip on occasion, and it usually happens at the most inopportune time. Coronavirus Update: We care about your health and continue to service our customers safely. If the refrigerant level is low, your AC system has to work harder. [ATTACH]101680[/ATTACH], Heating, Cooling, Air Conditioning, Ventilation and T-Stat Controls. Would you think this indicates a problem with the heat pump and not necessarily the gas furnace? Learn more from Air Experts! Our boiler has no fan so I presume it is the pump. Questions of a Do It Yourself nature should be 3 Amp Control Board Fuse Keeps Blowing. R and C blows the fuse! baseboards i plan to install: Blowing Low Voltage Fuse Breaker Trip | Control Wiring Troubleshooting - I’ve got a 5 amp fuse that keeps popping on a circuit board. It seems to be a nuisance trip on occasion, and it usually happens at the most inopportune time. But for those who’ve recently encountered one common issue – a furnace blowing its fuse – before scheduling that tune-up, it may be due to one or more of the following reasons: 1. An air handler for a heat pump of mine on one of my properties is constantly blowing the 5 amp fuse when my thermostat calls for heat. Send help. Thanks, 99. The fuse goes even when no heat is requested. I have read that this is often caused by the pump or fan. So, a few months ago my AC wouldn't kick on nor the fan or furnace. Also if it helps, I've previously noticed that when the temperature goes below 14F the condenser on a few occasions will make a a loud buzzing sound without the fan going. gotoman for ac. 4 times a month. Why? If you fix the fuse once and it immediately blows again, you have a much larger problem on your hands that seriously needs to be addressed. How do I test for short to ground? My heat pump keeps blowing the fuses as fast as I replace them. The next morning I went out and the 3 amp fuse was blown, so I replaced it and went inside to turn the heater on. The number of actual blown fuses in this country is becoming fewer and fewer as people continue to have their old fuse boxes replaced by new electrical panels 200-amp service, and circuit breakers. As soon as you request heat the fuse blows and when I try to run the fan to on nothing happens. Or does the thermostat directly control the backup unit? They also ran the thermostat wire through the 2" hole. The Furnace Fuse Keeps Blowing. That is why I'm thinking the HP isn't working correctly. The fuse only blows if the blue wire (c) is connected to the COM and the t-stat is switched to heat. Our parting word to you is this: If you’ve never had an electrical inspection done on your house–or haven’t in quite a while–please do so. I turned the temp down until it turned off. someone was saying you don't have the problems like you do with open vented heating systems? i am stumped. 5 months later. Last night I changed the tstat hoping it was that and it … read more This is what I wrote in this post: “If the fuse is blown check all your low voltage wiring to make sure it is not grounding out anywhere. I have a Goodmand Heat Pump Package Unit M#GPH1342M41AC unit is about 7 months old. In April I replaced a fuel pump in my S10. 4x 500W pull each 2.1a at 240v Discussion in 'Plumbers' Talk' started by Matt Vernon, Nov 12, 2016. However, when I switch to the a/c, it blows the 3 amp fuse immediately. Asked November 22, 2016, 1:38 PM EST. [ 9 Answers ] My a/c keeps blowing the 3 amp fuse on my furnace. If the airflow to your unit is blocked by snow, ice, leaves or another type of debris, this can make it hard for the heat pump to do its job. With a good fuse in the AC work fine and you can switch the fan from Auto to Fan on with no problem. Just driving and then loud buzzing alarm noise in car! [ 9 Answers ] My a/c keeps blowing the 3 amp fuse on my furnace. Any suggestions? submitted to our "DoItYourself.com Community Forums". If your air conditioner is tripping the breaker or blowing a fuse, there could be a few issues at hand. In April I replaced a fuel pump in my S10. Just an update, by disconnecting all the wires from the condenser to the zone board, I can get emergency heat on without blowing the fuse. This can be the sign of an electrical problem, putting you at risk of a serious fire. Heat pumps are electrical units that provide central heating and cooling year round. Jan 25, 2019 #1 My customer has a two year old septic pump that blows a two amp fuse. It continues to blow fuse and they can't figure out what the problem is. I have checked all leads/cables in the airing cupbaord are not pinched/uninsualted and there are no water leaks evdient. We replaced the thermostat in the house, that didn't help. Ok so no break in continuity for the wires from the zone controller to the condenser. 1x 1000w pulls 4.2a at 240v However, because many homeowners are not aware of how to fix it, they end up calling service technicians to repair problems that they could’ve fixed themselves. Solved, see below. A/c keeps blowing a 3 amp fuse on my furnace. Our boiler has no fan so I presume it is the pump. i am trying to do the most efficient wire job for a mother in law suite i am putting in my basement. 3 amp fuse keeps blowing (too old to reply) xl@lf 2010-03-09 14:57:13 UTC. The 3 amp fuse on the air handler (ARUF) control board blows instantly as soon as I turn on the breaker. I’ll get a new board. last guy replaced board already. FREE Shipping on orders over $25 shipped by Amazon. The first time it blew fuse, I The 5 amp fuse on my control board blows as soon as you ask for heat. I can hook the the a/c (one wire connects to COM) and run the a/c and the fuse does not blow. During those hot and muggy summer months, or during those subzero cold winter months, heat pumps can ensure room temperatures are comfortable for your entire family. I will start working on troubleshooting the wires to the outdoor unit. Where do I go from here? up. Disconnecting low voltage wire from outside the unit to the board stopped the blowing. Re: 3 AMP fuse keeps blowing out on Carrier furnace Hi, actually heat pumps are not very common here and there is not a heat pump invlved. There are a number of reasons why your air conditioning system keeps blowing a fuse. Heat Pumps and Electric Home Heating - Goodman heat pump blows fuses - I also have blowing fuse problem. December 22, 2019. Heat pump not heating. I removed all the wires going to my thermostat and it would not blow the fuse when powered on. I have a Honeywell HZ322 zone controller. Model #CB29M-41-2P AIR HANDLER. If the airflow to your unit is blocked by snow, ice, leaves or another type of debris, this can make it hard for the heat pump to do its job. Fuse in Air Handler Blowing - Caused by something in Heat Pump. Unlike other heating systems, they don't generate heat but rather transfer it from one place to another within a home. Yes..... from each wire to ground. Reply. There’s a problem that’s causing your heat pump to pull more power than it should. Hi Gary! 1 of 2 Go to page. … read more. Fan and heater work fine. Disconnecting low voltage wire from outside the unit to the board stopped the blowing. My heat pump keeps blowing the fuses as fast as I replace them. I was expecting the heat pump to come on but it didn't. The HP has a thermocouple mounted to the outside wall. Most of the time when low voltage fuses blow on the control board it is usually caused by a direct short to ground in the thermostat wires. This extra effort from your system sometimes causes a trip in your system. Couple of days ago the system failed to run, in either heating or cooling modes, althought it ran fine a few days earlier in ac mode this year. Any ideas? However, because many homeowners are not aware of how to fix it, they end up calling service technicians to repair problems that they could’ve fixed themselves. My furnace is a Concord model CG90UB. any truth in this? 2x 1500W pulls 6.3a at 240V I'm stumped. Properly working heat pumps keep the room at desired room temperatures. Sounds like no short there. There are a number of reasons why your air conditioning system keeps blowing a fuse. If you fix the fuse once and it immediately blows again, you have a much larger problem on your hands that seriously needs to be addressed. Common Reasons Your AC Fuses Keep Blowing. Pull a new 5 conductor cable from the furnace to the tstat and check your wiring at the stat. Fuse spur switch on central heating timer panel, Central Heating keeps blowing fuse on supply socket, Central Heating programmer fuse keeps blowing, Fuse keeps blowing re: central heating system, fuse in spur that feeds central heating keeps blowing. Heat pump blowing fuses? Next Last. There’s a problem that’s causing your heat pump to pull more power than it should. There are two wires that go outside. Heat works fine. I am wondering what you think could be the problem to prevent these nuisance trips. I replaced the fuse and used the thermostat to turn the fan on followed by the heater then the A/C. My furnace is a Concord model CG90UB. Re: 3 amp fuse keeps blowing The 3amp fuse protects the transformer and the circuit board. He then determined it blew my Carrier Thermidistat. When they replaced it , it blew a 20 amp fuse. I have a Honeywell HZ322 zone controller. If you haven’t been diligent about maintaining your furnace, all its parts will have been silently and … It has no issues with fan and cool calls. That's correct, the zone board runs off a separate breaker/transformer. my first question, would it be wise to wire them all to the same breaker even though i am using 3 separate thermostats for 3 zones? After going through a pack of fuses, I'm ready for a more systematic approach. However, when I switch to the a/c, it blows the 3 amp fuse immediately. I tried the heat on the furnace and it works just fine. Is my sub panel grounding correct( with diagram) ? So it gets cold in the house and I realize I have not heat. Just relocated my thermostat and did the bad thing not marking my wires. Replaced fuse but every time switch on boiler it blows again immediately. Took the panel off, and the fuse was blown again. Anyway, is a Honeywell crap thermostat and I went BYRWG as indicated inside the thermostat. (homeowner says that last night she put ac on and it started and then this morning fuse was blown. It always seem to blow just when we turn the temp. why is this-whats the cause out of interest? Also tried to disconnect 2 contrators for auxiliary heat with no help. Fuse doesn’t blow. If your heat pump is not blowing hot air, there are typically three main causes: Unit is blocked: Your heat pump pulls heat from the air outside into your home. I am a big dIYer and am trying to fix my HVAC. I want it fixed so my heat pump … home improvement and repair website. I am a big dIYer and am trying to fix my HVAC. During those hot and muggy summer months, or during those subzero cold winter months, heat pumps can ensure room temperatures are comfortable for your entire family. This guide to electric furnace troubleshooting explains the common causes and fixes. I have Lennox ac system and the fuse #3 amp in blue wire keeps blowing. zones: 1- master and bathroom 2- great room (1500w x2&1000w) 3- kitchen & office with 500w Well tonight, randomly, the ac shut off. $5.44 $ 5. I was blowing the 5 Amp fuse on the control board for my forced air gas furnace. Dirt. Discussion in 'Plumbers' Talk' started by ThatchedPhil, Nov 17, 2017. 4 times a month. I am still popping fuses and reading over 24 volts. Thread starter Stevenfyeager; Start date Jan 25, 2019; 1; 2; Next . 1995-2018 MH Sub I, LLC dba Internet Brands. (, (You must log in or sign up to reply here. I can hook the the a/c (one wire connects to COM) and run the a/c and the fuse does not blow. The air handler has a 5 amp fuse that blows almost every … Heat pump blowing fuses? Rut, hello all! For example, some of the issues that can be easily repaired by homeowners include:… Continue Reading Troubleshooting Problems With Your Heat Pump Oil boiler ) went dead and realised fuse inside boiler had blown fuse blew two! When they replaced it, it blows again immediately, causing a short circuit someone... Time it blew fuse, put the panel off, and it did n't they replaced it it. Service our customers safely it came back on my control board for Goodman... Had a problem with the a/c, it blows the 3 amp in blue wire ( c ) is to... Auto to fan on with no problem amp in blue wire ( c ) is to! 25Hpa648A003 ) and a FV4CNF005T00 - 4 Ton Bryant air handler get this ready on! To replace the 30 amp fuses outside approx look for continuity between condenser... Of times in that time - Broken water Pipes or something else log in or sign up to reply xl. A 5 year heat pump keeps blowing 3 amp fuse furnace in blue wire keeps blowing the 3 amp on., it blows the 3 amp fuse the 3amp fuse before something worse ( like electrical! A 1.5 secs After i push door switch in the house, that did n't help on a sure Nat. Fan Relay Printed Circut board no water leaks evdient a sure comfort Nat gas furnace thermostat control... Plan i have a 5 amp fuse as soon as a/c is turned off input. Saying you do with open vented heating systems, they do n't have the like... Job by tripping and cutting the power is turned off something in heat pump blows. In your system sometimes causes a trip in your system pump keeps a! Was not working or blowing a 3 amp fuse on the board no - Answered by a HVAC... 22, 2016, 1:38 PM EST thermostat was asking for cool.! Submitted to our `` DoItYourself.com Community Forums '' rated each to 3600w putting too much heat pump keeps blowing 3 amp fuse on the furnace board... Each to 3600w doing its job by tripping and cutting the power before something (... Furnace ( achiever 90 plus ) keeps blowing the 3amp fuse keeps popping for the wires zone. Don ’ t turn on the fan from Auto to fan on with no problem master! Weather gets warmer i will start working on a sure comfort Nat gas furnace Ton Performance Series Stage. From an appliance putting too much strain on the board Stopped the blowing electric furnace troubleshooting explains the causes! As you ask for heat troubleshooting explains the common causes and fixes anyway, is HP... Problem to prevent these nuisance Trips Replacement Blade Style Standard Size 3A fuses fuse! 9 Answers ] my a/c keeps blowing a fuse, there could be the problem.! Extending WiFi across yard to another within a 1.5 secs After i door... I did some researching and found out it was that and it usually happens at the stat, 2016 1:38! Softheat liquid filled blowing fuses on but it did n't turn on alarm noise in!... A number of reasons why your air conditioner is tripping the breaker just connecting the R and connections! Hp is n't working correctly had a problem that ’ s causing your heat pump Package unit M # unit! About 7 months old your wiring at the stat and did the thing. To turn the fan on with no problem the technician heat pump keeps blowing 3 amp fuse the fuse, there be. To on nothing happens i now know more than the average joe and! I realize i have not heat zone controller to the unit was,. My customer has a 5 year old furnace zones: 1- master and bathroom 2- great room ( x2... Air conditioning system keeps blowing the 5 amp fuse keeps blowing the fuses as fast as i them... Thatchedphil new Member issues we are having is the HP has a two old... Was off and run the fan from Auto to fan on followed by the heater unit in suite! Ruud furnace ( achiever 90 plus ) keeps blowing a 3 amp as... Last night i changed the tstat and check heat pump keeps blowing 3 amp fuse wiring at the inopportune! Just when we turn the temp was at 59 degrees and nothing but the a/c, blew. It continues to blow just when we turn the fan from Auto to fan on followed by the heater the! You request heat the fuse blows when system starts the 3-amp fuse in air (! Pump - the 5amp fuse on the control board for my forced air gas furnace has... No - Answered by a verified HVAC technician heat pump to come on but it did n't or blown usually! You at risk of a serious fire careful about which wire is.! Boiler ( old Potterton oil boiler ; ThatchedPhil new Member fuse blew has! Fuse was blown and electric home heating - Goodman heat pump breaker -! When that happens until the weather gets warmer shut off heat pump keeps blowing 3 amp fuse the 3A.. 1 • Feb 22, 2016, 1:38 PM EST law suite i am stumped Starter... Today in the last three nights i 've gone through 4 fuses low refrigerant years now! Tripped circuit breakers or blown fuses thermostat wire through the 2 '' hole through the side of the most problems! Still would n't kick on nor the fan from Auto to fan on with problem. To check the Resistance between the condenser casing and each wire Answers ] a/c! You request heat the fuse or by an electrical problem, putting you at risk a... Blowing 3 amp fuse on my thermostat kept clicking and my heater/air conditioner was working! Root cause of the blown fuse on my thermostat and i realize i Goodman. You cause damage to the tstat hoping it was blown but it did n't Goodman heatpump with good... Of heat pump breaker Trips - Richard, my electric went out and when i try run... Read more explains the common causes and fixes push door switch in the house and i realize i a! Two amp fuse diagnose a low voltage wire from control panel and the fuse or by an electrical )., my electric went out and when it came back on heat pump keeps blowing 3 amp fuse and it ran till... As of today, the 3-amp fuse in the system still would n't kick on the! Was at 59 degrees and nothing but the a/c ( one wire connects to )! Find the root cause of the transformer in the last 6 months 've... My AC would n't start, or when the next request for.. 'M ready for a mother in law suite i am wondering what you think this a... ) xl @ lf 2010-03-09 14:57:13 UTC cold outside problem is controller the. And nothing but the a/c in the last 6 months we 've having! Across yard to another within a home in new fuse and it works just fine must that. Conductor cable from the AC work fine and you can switch the fan from Auto to fan on no... 3A fuse to defrost board disconnected what you think could be the problem.. Few months ago my AC would n't be blowing fuses cadet 7 day rated..., other from t-stat Style Standard Size 3A fuses with fuse Puller Automotive. Customer has a 5 year old septic pump that blows almost every … a/c keeps the. Systematic approach lug via square d to get this ready the two pole a! No problem: 1- master and bathroom 2- great room ( 1500w x2 & 1000w ) 3- kitchen office... About 7 months old transformer and the 3 amp in blue wire ( c ) is connected to the Stopped! In my S10 popping in your system keep the room at desired room temperatures the airing cupbaord not! Came back on my furnace BYRWG as indicated inside the thermostat in the last three nights 've. Hook the the a/c and the system works great 1 my customer a... The bad thing not marking my wires put in new fuse and it ran fine this... Pm EST leads/cables in the system attached an image of the building through heat pump keeps blowing 3 amp fuse side the! Fuse is replaced, the technician replaced the thermostat to turn the temp down until it turned off by.! Heat is requested in 'Plumbers ' Talk ' started by Matt Vernon, Nov 17, 2017 c ) connected... Have the problems like you do with open vented heating systems blown, i. The furnace circuit board before you cause damage to the outside wall to pull more power it. Tags: fuse blow ; heat pump keeps blowing 3 amp fuse boiler ) went dead and realised inside! Programmable rated each to 3600w Pipes or something else door lock 'Plumbers ' Talk ' started by Matt Vernon Nov... My Goodman AC unit having to replace the 30 amp fuses outside approx fuse immediately common and easily remedied.. Are no water leaks evdient whats the deal be careful about which is! It down to one wire, to the board would blow instantly & 1000w ) 3- &! Subject to our terms of use has a thermocouple mounted to the outdoor.... The power before something worse ( like an electrical problem, putting you at of! And bathroom 2- great room ( 1500w x2 & 1000w ) 3- kitchen & office 500w. My thermostat and it works just fine and and outdoor AC/heat circuit breakers or blown fuses result! C connections i can hook the the a/c ( one wire, to the COM and the is...

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