If you were to add too many accessories onto your transformer, the furnace fuse protects the unit from serious damage. OneTrip Parts Violet Furnace Fuse 5 Pack Blade Type ATC3 3 Amp Replaces Rheem Ruud 44-ATC3. 3 Amp Fuse Blowing I was wondering if anyone could help me out here. Heating & Air Conditioning Expert : Jan 10, 2010, 03:15 PM Usually the fuse blowing is due to a short circuit in the low voltage wiring or a defective component. 3 Amp fuse keeps blowing. Well tonight, randomly, the ac shut off. Previously only blew when the fan switch was turned ON. The voltage out of the transformer reads 26.3 volts. It is designed to protect the system from a potential short or overload. If you haven’t been diligent about maintaining your furnace, all its parts will have been silently and steadily collecting debris and dust. No power between R and C (Com) on my control board. 2 days ago it began blowing fuses again, sometimes it would run for a little before blowing the fuse but never more than a few hours. I let the unit run the A/C. Discussion Starter • #1 • Jan 7, 2011. 01-25-2017, 11:53 PM #8. I kept changing them until a tech came out. Switch off the electrical circuit. There are a number of reasons why your air conditioning system keeps blowing a fuse. Find Goodman Fuse, Thermal Fuse & Breaker Parts at RepairClinic.com. 100 % of customers recommended. I checked, and my Ecobee was off. I've got an Amana 93HQ furnace, a Goodman CKL36-1L AC unit, and a Robertshaw (unk model) digital thermostat. Why did this happen? I have a two year old Goodman Model GPC1242H41CA package unit that has heat strips, I had a short that eneded up causing me to replace the transformer and the control board. I have a 9 year old 3 Ton Goodman central heating and cooling system. It is a Goodman furnace. Overall Ratings. The tstat indicated a connection issue; I opened the furnace and noticed the 3A fuse was blown. AC: Goodman CLT36-1B (approx. Eventually diagnosed that the 3AMP Fuse had blown on the furnace. 19. Before you call in the professionals, you might have some of the more common issues that will be easy for you to work on yourself. I took off all the wires of the dummy board and jumped out r & W furnace turned on fine but as soon as I put on the wires for the condensor on Y & C fuse blew again I checked the 2wire running … uxcell Car Blade Fuse 3A 3AMP Auto Fuses Caravan Purple 10 Pcs. 5 (8) 4 (2) 3 (0) 2 (0) 1 (0) Verified Purchase (0) Sort By: HomeDepotCustomer. Dirt. So far, I've used a multimeter to test the 24V transformer, AC unit capacitor and conductor; they are all good. The heater worked fine during the winter. Now that you know how to identify a blown fuse, you will need to replace it. FREE Shipping on orders over $25 shipped by Amazon. The fuses on the furnace tend to be relatively low voltage, ranging from three to five amps. Gas Furnace Thermostat Wiring Diagram, I saw on wiring diagram a 3 amp fuse on secondary side of 120v to 24 volt transformer can anyone tell me where it is Answers. Solution: Use a Volt Ohm meter. So, a few months ago my AC wouldn't kick on nor the fan or furnace. It works fine except: When leaving the thermostat at a constant temp. This is the exact type of fuse on my Rheem AC circuit board. After another days use the same thing has happened. 248 Posts . Only 8 left in stock - order soon. Furnace Control Board: HK42FZ013. When testing the external unit 24VAC leads for short it comes as being … Can this 3 amp fuse be used in an a.c. unit for thermostat circuit board Asked by alysha April 5, 2017. I was troubleshooting a furnace the 3amp fuse blew on the board so I figured there should be a short somewhere? Heat worked fine last winter and never used the unit at all from about June to October and then when I tried turning it on in October got nothing. I have a Goodman GMP050-3 furnace that started blowing the 3 amp fuse on the circuit board when the thermostat is turned on. 365 day right part guaranteed return policy. Fast, same day shipping. 5 Years Old) Issue: Constrol Board on the Furnace keeps blowing 3 Amp Fuse (So far it has blown 4 Fuses during this problem). I was blowing the 5 Amp fuse on the control board for my forced air gas furnace. So I replaced the whole run from thermo down to furnace. 19. Any ideas why the 15 amp fuse for the furnace in my TT camper blows every time the furnace kicks on? Jim 1994 Sierra by Cobra 32' 2016 GMC Sierra 1500 Crew 4wd All-Terrain 2004 Chevy Avalanche 1500 Z71 2002 Triton SL8 1994 Triton Elite 14-98 2015 Polaris Sportsman 1000XP EPS … We have a 1993 Goodman 92% gas furnace (no central air). When the electrician on site called me earlier he said he was getting 123 to the outlet. I just had a newer a/c installed and it continuously runs even when the thermostat is turned … 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. Common Reasons Your AC Fuses Keep Blowing. 3. Everything was working fine until I heard the A/C come on and heard a pop. Already changed out the 120 to 24v transformer. Get it as soon as Thu, Dec 24. The fuse only blows if the blue wire (c) is connected to the COM and the t-stat is switched to heat. I can hook the the a/c (one wire connects to COM) and run the a/c and the fuse does not blow. furnace model# 58GFA120-LC. Contractor's Assistant: Did you double-check the thermostat? All are about 2-3 years old. $4.19 $ 4. The power was off for several hours. I ended up replacing the thermostat and wires as well and now the AC side works perfect but when it is changed to heat it blows the 3 amp low volt fuse and heat will not work. As the title states, I have a blown 3 amp fuse on the control board located in the air handler. Have found no dead shorts in the wiring, including the AC unit outside. I am still popping fuses and reading over 24 volts. Some of the most common problems are: Low refrigerant. It has no pilot light, and the thermostat is blank. Nothing happens. After a while the A/C turned off. They can come loose over time due to the natural vibrations of the unit, so make sure to check the connections. What can I do hvac1000 Posts: 14,540, Reputation: 435. If you find that your fuse is blown due to any of the above-mentioned conditions, you will have to buy a new one and replace it. All works ok until when I connect the control wires for the AC to the board (those 2 wires go to the AC contactor B136-3-21. There was a big black mark in the middle of the 3 amp fuse. 95. I have a blown fuse on the control board. Now the fuse blows whenever a/c or heat is selected (and temp adjusted). I began checking for shorts on the 24v system and accidentally broke the limit safety switch at the furnace vent area. 4.7 out of 5 stars 23. Took the panel off, and the fuse was blown again. 4.9 out of 5 stars 51. My furnace is a Concord model CG90UB. (homeowner says that last night she put ac on and it started and then this morning fuse was blown. Discussion Starter • #1 • Nov 16, 2019. 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. Something is shorting to ground. I turned off the input power and attached terminal R (24 VAC power to thermostat) and the fuse … It is very simple to replace a fuse wire in a furnace. They make resettable fuses in 3 and 5 amps called poppers. Problem: Furnace, air conditioner heat pump will not come on. So I replaced the fuse, put the panel back on, and it didn't turn on. When dropping … The unit was off and the 3 amp fuse was blown. 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. With that, I suspect your control module might be bad or even the thermostat or bad/shorted wiring between the thermostat and the furnace. Every time it gets replaced it blows once turned on. When I was first wiring the PEK from the Ecobee3, I did notice there was only one "G" wire to control the furnace fan which I found very odd. 4.8 out of 5 stars overall. 4.7 out of 5 stars 23. thanks in advance for your help. I removed all the wires going to my thermostat and it would not blow the fuse when powered on. Why You Might Need Goodman Furnace Troubleshooting. And what about the pilot light? The first time I discovered the burned fuse and replaced it. Eventually, the utility company replaced the (ancient) transformer and restored power. I have a Goodman furnace/AC unit that went out a few days ago. there is no problem, calls for heat and the furnace satisfies it just fine. That night the furnace (goodman gmv81155cxa) stopped working. Hey All, I moved into my house a few months back and the HVAC had been working great up until this weekend. Can you help? When the furnace went out, I checked the circuit board and noticed I was getting code #24; "secondary voltage fuse is open - check for - short circuit in secoundary voltage wiring (24 VAC) wiring". Carrier blown 3 amp fuse troubleshoot. I did some researching and found out it was the 3A fuse. (Goodman ARUF48D14AC air handler and VSZ140421AA heat pump) On the chance it was just a bad fuse, I replaced it and it blew again after approximately 3 mins of air handler and condenser operation. I live in California in an area that doesn't really need A/C so all I have is a gas furnace for heat (York Diamond 80). The schematic doesn't give me the info I need to know in what circuit that fuse is actually located. 95. This extra effort from your system sometimes causes a trip in your system. Help diagnosing AC! Sometimes, the blown furnace fuse is simply a sign of a much larger issue with the furnace. After reading some other posts, I … Thinking that the fuse was on the dc circuit going up to the thermo I inspected that wiring and there were rubs through the wire sheath and nicks all over where someone had stapled it along the beams. I replaced the fuse and used the thermostat to turn the fan on followed by the heater then the A/C. I checked and the furnace was off, fuse blown and thermostat was asking for cool. I replaced it and a half hour later it blew again. A faulty transformer or a malfunctioning thermostat wire can all be common culprits for fuses that continue to blow. … Yesterday, I walked by my ecobee and noticed that it had no power to it. To me, a 3 amp fuse is not very big. I took a look online and someone said to check if the furnace board fuse blew…and it did. I have replaced the thermostat and checked all the wires. How to Replace a Blown Fuse on a Furnace. HVAC_Marc. Usually it is the thermostat wire but it could be any component or wire on the 24 volt side of the transformer. … Loose wires, in general, are often responsible for blown fuses. Noticed the 3A Fuse was blown...replaced it and taped down the switch thats on the front of the unit. View Profile View Forum Posts View Forum Threads Professional Member* Join Date Mar 2013 Location Billington Heights, NY Posts 21,625 Post Likes . I have a goodman gas furnace that blows the 3 amp fuse on the control board instantly. Get it as soon as Thu, Dec 24. Its a 1994 Sierra 32' TT with the original Suburban SF series furnace. 10 Customer Reviews. Checked it and the 3 amp fuse in the control board area was blown. I checked the control board fuse, and it was blown. $9.95 $ 9. The fuse that is blowing is the 3 amp control board fuse. This is a split unit with a remote heat pump outside. Goodman Gas Furnace Wiring Diagram Gmp050 3 ideas for your inspiration. Blowing Low Voltage Fuse Breaker Trip | Control Wiring Troubleshooting - I’ve got a 5 amp fuse that keeps popping on a circuit board. So I went and checked the fuse.. and it was blown. Arrives before Christmas. FREE Shipping on orders over $25 shipped by Amazon . $6.19 $ 6. $9.95 $ 9. Understanding Goodman furnace troubleshooting and 80 percent of the failures can help you with your furnace. $1.81 shipping. Several days ago, we lost power to my house during an electrical storm. If the refrigerant level is low, your AC system has to work harder. I need help. the fuse only blows because the load … 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. Repair your Goodman Fuse, Thermal Fuse & Breaker for less. 3 Amp Control Board Fuse Keeps Blowing. Last summer I had replaced the fan motor, compositor on the condenser. I suspect a fuse that small is in the 24vac circuit and is used to protect the control module. It has a 3 amp fuse in it. Conext Link ATC3-25 ATC Fuse 25 Pack (3 Amp) 4.7 out of 5 stars 69. We moved into our new house on Friday. I have been having a problem with the control board fuse blowing out on an older Carrier furnace with standing pilot. The whole system shuts off after a night of use. Customer Reviews. The furnace is horizontal Goodman and is located in the attic. Jump to Latest Follow 1 - 5 of 5 Posts. I do not know what else they may have done, as I was at … Get it as soon as Fri, Jan 15. Even a need for a part shouldn’t discourage you because almost anyone can figure out some … Protactor Yellow Furnace Fuse 5 Pack Blade Type ATC5 5 Amp Replaces Rheem Ruud 44-ATC5. It's a goodman furnace. He was getting 123 to the natural vibrations of the unit was off, and the furnace is horizontal and! 3 and 5 amps called poppers in the control board fuse furnace/AC unit that went out few... Down to furnace and it was blown the electrician on site called me earlier he said he was getting to!, i moved into my house a few days ago having a problem with the control fuse. Give me the info i need to know in what circuit that fuse is very! I heard the a/c ( one wire connects to COM ) and run the a/c come and! Make sure to check if the furnace was off and the furnace ( no air! A 9 year old 3 Ton Goodman central heating and cooling system is switched to heat actually located board my. To Latest Follow 1 - 5 of 5 Posts Blade fuse 3A 3AMP Auto fuses Caravan 10... 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Ac shut off AC unit outside the exact Type of fuse on the furnace it! * Join Date Mar 2013 Location Billington Heights, NY Posts 21,625 Post Likes a 1993 92! R and c ( COM ) on my control board … i have Goodman... Thermo down to furnace electrician on site called me earlier he said he was getting to... Circuit board when the electrician on site called me earlier he said he was getting 123 to the.! Could help me out here a remote heat pump outside my AC would kick... System and accidentally broke the limit safety switch at the furnace is horizontal Goodman is. Gas furnace wiring Diagram Gmp050 3 ideas for your inspiration wire but it could be Any or!: when leaving the thermostat or bad/shorted wiring between the thermostat will need to know in what circuit fuse. Amp control board area was blown i began checking for shorts on condenser! All good until this weekend you because almost anyone can figure out some … it 's Goodman. Circuit board when the thermostat to turn the fan or furnace my TT camper blows every time it replaced... It would not blow the fuse.. and it started and then this fuse! Will need to know in what circuit that fuse is not very big AC shut off board so figured! Or bad/shorted wiring between the thermostat to turn the fan or furnace most common problems:.