4.8 out of 5 stars overall. Why You Might Need Goodman Furnace Troubleshooting. I let the unit run the A/C. I was blowing the 5 Amp fuse on the control board for my forced air gas furnace. $1.81 shipping. $6.19 $ 6. Repair your Goodman Fuse, Thermal Fuse & Breaker for less. I checked and the furnace was off, fuse blown and thermostat was asking for cool. We have a 1993 Goodman 92% gas furnace (no central air). Get it as soon as Fri, Jan 15. So I went and checked the fuse.. and it was blown. I checked, and my Ecobee was off. 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. 5 (8) 4 (2) 3 (0) 2 (0) 1 (0) Verified Purchase (0) Sort By: HomeDepotCustomer. 95. So I replaced the whole run from thermo down to furnace. Loose wires, in general, are often responsible for blown fuses. As the title states, I have a blown 3 amp fuse on the control board located in the air handler. Overall Ratings. Only 8 left in stock - order soon. OneTrip Parts Violet Furnace Fuse 5 Pack Blade Type ATC3 3 Amp Replaces Rheem Ruud 44-ATC3. $4.19 $ 4. 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. The power was off for several hours. 01-25-2017, 11:53 PM #8. 10 Customer Reviews. I have a 9 year old 3 Ton Goodman central heating and cooling system. 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). 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. The tstat indicated a connection issue; I opened the furnace and noticed the 3A fuse was blown. (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. 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 … I have a Goodman furnace/AC unit that went out a few days ago. I have a goodman gas furnace that blows the 3 amp fuse on the control board instantly. the fuse only blows because the load … I suspect a fuse that small is in the 24vac circuit and is used to protect the control module. I replaced the fuse and used the thermostat to turn the fan on followed by the heater then the A/C. The heater worked fine during the winter. A faulty transformer or a malfunctioning thermostat wire can all be common culprits for fuses that continue to blow. I was troubleshooting a furnace the 3amp fuse blew on the board so I figured there should be a short somewhere? The fuse that is blowing is the 3 amp control board fuse. Yesterday, I walked by my ecobee and noticed that it had no power to it. I just had a newer a/c installed and it continuously runs even when the thermostat is turned … If the refrigerant level is low, your AC system has to work harder. The whole system shuts off after a night of use. They can come loose over time due to the natural vibrations of the unit, so make sure to check the connections. I have replaced the thermostat and checked all the wires. There was a big black mark in the middle of the 3 amp fuse. Get it as soon as Thu, Dec 24. Already changed out the 120 to 24v transformer. Jump to Latest Follow 1 - 5 of 5 Posts. The schematic doesn't give me the info I need to know in what circuit that fuse is actually located. When dropping … If you haven’t been diligent about maintaining your furnace, all its parts will have been silently and steadily collecting debris and dust. When testing the external unit 24VAC leads for short it comes as being … And what about the pilot light? 365 day right part guaranteed return policy. Fast, same day shipping. The first time I discovered the burned fuse and replaced it. 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 I checked the control board fuse, and it was blown. Have found no dead shorts in the wiring, including the AC unit outside. 5 Years Old) Issue: Constrol Board on the Furnace keeps blowing 3 Amp Fuse (So far it has blown 4 Fuses during this problem). Can this 3 amp fuse be used in an a.c. unit for thermostat circuit board Asked by alysha April 5, 2017. 3 Amp Control Board Fuse Keeps Blowing. All are about 2-3 years old. Solution: Use a Volt Ohm meter. 4.7 out of 5 stars 23. Eventually diagnosed that the 3AMP Fuse had blown on the furnace. Contractor's Assistant: Did you double-check the thermostat? We moved into our new house on Friday. That night the furnace (goodman gmv81155cxa) stopped working. 3 Amp Fuse Blowing I was wondering if anyone could help me out here. I replaced it and a half hour later it blew again. So far, I've used a multimeter to test the 24V transformer, AC unit capacitor and conductor; they are all good. $9.95 $ 9. there is no problem, calls for heat and the furnace satisfies it just fine. I kept changing them until a tech came out. It is a Goodman furnace. Now the fuse blows whenever a/c or heat is selected (and temp adjusted). With that, I suspect your control module might be bad or even the thermostat or bad/shorted wiring between the thermostat and the furnace. How to Replace a Blown Fuse on a Furnace. If you were to add too many accessories onto your transformer, the furnace fuse protects the unit from serious damage. What can I do hvac1000 Posts: 14,540, Reputation: 435. It works fine except: When leaving the thermostat at a constant temp. 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 have a Goodman GMP050-3 furnace that started blowing the 3 amp fuse on the circuit board when the thermostat is turned on. furnace model# 58GFA120-LC. I have been having a problem with the control board fuse blowing out on an older Carrier furnace with standing pilot. I did some researching and found out it was the 3A fuse. Several days ago, we lost power to my house during an electrical storm. 19. 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". 248 Posts . Protactor Yellow Furnace Fuse 5 Pack Blade Type ATC5 5 Amp Replaces Rheem Ruud 44-ATC5. 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. Even a need for a part shouldn’t discourage you because almost anyone can figure out some … I've got an Amana 93HQ furnace, a Goodman CKL36-1L AC unit, and a Robertshaw (unk model) digital thermostat. Nothing happens. 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. It's a goodman furnace. Took the panel off, and the fuse was blown again. Something is shorting to ground. Blowing Low Voltage Fuse Breaker Trip | Control Wiring Troubleshooting - I’ve got a 5 amp fuse that keeps popping on a circuit board. 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. I removed all the wires going to my thermostat and it would not blow the fuse when powered on. Well tonight, randomly, the ac shut off. uxcell Car Blade Fuse 3A 3AMP Auto Fuses Caravan Purple 10 Pcs. Everything was working fine until I heard the A/C come on and heard a pop. Any ideas why the 15 amp fuse for the furnace in my TT camper blows every time the furnace kicks on? View Profile View Forum Posts View Forum Threads Professional Member* Join Date Mar 2013 Location Billington Heights, NY Posts 21,625 Post Likes . 3 Amp fuse keeps blowing. I began checking for shorts on the 24v system and accidentally broke the limit safety switch at the furnace vent area. Arrives before Christmas. The voltage out of the transformer reads 26.3 volts. I turned off the input power and attached terminal R (24 VAC power to thermostat) and the fuse … The fuse only blows if the blue wire (c) is connected to the COM and the t-stat is switched to heat. Help diagnosing AC! I took a look online and someone said to check if the furnace board fuse blew…and it did. 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 … Customer Reviews. Understanding Goodman furnace troubleshooting and 80 percent of the failures can help you with your furnace. So, a few months ago my AC wouldn't kick on nor the fan or furnace. After reading some other posts, I … My furnace is a Concord model CG90UB. 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. They make resettable fuses in 3 and 5 amps called poppers. 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. Usually it is the thermostat wire but it could be any component or wire on the 24 volt side of the transformer. Previously only blew when the fan switch was turned ON. Its a 1994 Sierra 32' TT with the original Suburban SF series furnace. 4.9 out of 5 stars 51. FREE Shipping on orders over $25 shipped by Amazon. Eventually, the utility company replaced the (ancient) transformer and restored power. It has a 3 amp fuse in it. Sometimes, the blown furnace fuse is simply a sign of a much larger issue with the furnace. 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. 4.7 out of 5 stars 23. I need help. … This is the exact type of fuse on my Rheem AC circuit board. Can you help? 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