Question about Goodman CACF048B2A Air Conditioner

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I set the tstat to cool everything ok i set tstat to heat it blows the fuse on pc board

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Check for wires rubbing together from the thermostat to the furnace. More than likely there is a short somewhere in the low voltage wiring. Check the wires on the thermostat also to make sure none are touching together.

Posted on Apr 11, 2011

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Posted on Jan 02, 2017

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1 Answer

6360 honeywell blows hot air when set to cool


Is it hot air or just not cold? Is this system a heat pump? Has the tstat recently been replaced? Has it worked before with this tstat???

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

May 13, 2018 | Honeywell Heating & Cooling

1 Answer

Ugg's-075auer blower won't turn on in heat mode. Replaced thermostat and control board. Checked sensors all good. Heater runs fine with fan switch set to on. Want could be the problem?


you need to configure the tstat for electric heat rather than gas. many times it's a switch on the back of the tstat, possibly in the settings menu. what's the tstat?

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

Jan 13, 2018 | Heating & Cooling

3 Answers

3 amp fuse keeps blowing when heat is on. Took advice of repair person and purchased and installed a Honeywell 5000 Still blowing fuses. Super frustrating We have 4 year old Goodman heatpump a unit Any...


the reversing valve has an electric solenoid, if it is energyzed for heat mode, then try replacing or testing the solenoid coil. the coil may be going out drawing more amps than it should.

Dec 24, 2017 | Honeywell Heating & Cooling

1 Answer

On a good man air handler aruf61d14aa model we have trouble with low voltage wiring. Already blew one fuse so thinking I have wired it wrong.


Red is power green (or in a goodman might be grey) lands on g which is for your indoor blower white is for heat. Yellow from the tstat( which doesn't land in the air handler ) is for cooling and goes out to the condenser along with the blue which is common. First unhook all your tstat wires. Put red and green together to turn on blower. Turn power on and make sure it's good. Then add white for heat, turn power on and make sure you're good. This will ensure YOUR PROBLEM IS OUTSIDE the air handler. Then ONE WIRE AT A TIME add back your tstat wire, turning power off and on after each wire. First do red. Then do green then do white then do yellow. TURNING POWER OFF EACH TIME. IF AND WHEN THE FUSE BLOWS you will know what part actually blows the fuse. Let me know. It's possible your contactor outside is shorted and blowing the fuse. This will blow the fuse only when you hook the yellow from the tstat up to the wire going outside to condenser. Remember to unhook everything first. Let me know if you need more help.

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

Jul 30, 2017 | Heating & Cooling

2 Answers

Inside fan does not blow on auto or fan only.outside ac will work if i push in the relay switch


So you have no 24 volts. Either float switch is tripped, transformer or fuse bad, or your tstat is bad. Turn power off to indoor unit. Open tstat and wire red green and yellow together. Turn power back on. Let me know...

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

Jul 04, 2017 | Heating & Cooling

1 Answer

I have a Coleman mach 3 ac unit. ive replaced everything except the compressor. the fan will come on but when i put it on ac it blows the fuse in the thermostat.


Fuse in the tstat?? First inspect the low voltage wire outside for imperfections, such as bare wires. Unhook the low voltage wires to condenser outside and cap with existing wire nuts. Then replace fuse and turn system on with cooling. If fuse still good then you have a short in the contactor coil in the condenser. Need new contactor. If fuse only blows when a call for cooling it's in the wire for low voltage or the contactor itself.

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May 21, 2017 | Coleman Heating & Cooling

2 Answers

BDP Heat Pump Transformer Keeps Blowing


Should have a 5 amp fuse on red wire in between transformer and tstat. If not put one. This will protect transformer. Turn power off and take a good picture of tstat wiring. Remove all wires to the tstat. With the air handler wires join fan and red. (Likely green) let run. Then add compressor and reversing valve ( if reversing valve is energized in cooling ) which in most cases it is. Should then have cold air. Let run. If no problems you know it's outside of the machine. Tstat or wiring. Hook inside of machine all back up to tstat wires. Do the same thing with the tstat wire inside the thermostat. If no problems, must be bad tstat. Hook everything back up right. If fuse blows or transformer because you didn't put the fuse, then you know for sure it's the stat. Good Luck

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

Mar 15, 2017 | Heating & Cooling

1 Answer

When air conditioner is turned on only heat blows (in heat and cool) but not in fan only mode. It is a package unit, and has an old mercury thermostat, I was going to replace the thermostat with a digital...


Hi; Ok lets try something. Kill the breaker to the package unit. Then remove the outer electrical cover where the tstat wire goes into. Be very carefull if warm outside some wasp could be looking for a home...Now look at the tstat wires connected to the control board or check the wirenuts if no board.Is every thing secure.No look for any chaffing of the brown insulation on the tstat wire at the unit, under the house, at the tstat. You can remove the first cover by pulling gently from the bottom up. Now You will see several small flst tip screws inbedded in the plastic base. loosen the screws but do not try to dislodge from the plastic base. The screws are done this way for a reason,so You dont loose the little suckers. No remove the subbase gently. Look at the connections are they secure. Question is this a heatpump or air conditioning with gas or electric strips for heat...alpharome416 PS
As far as the fan switch goes. The tstat has two choices for fan operation(auto,on). When in auto fan will come on durring operation only. In the on position the fan will run continous cooling or heating all day long...alpharome416

Feb 22, 2010 | Heating & Cooling

2 Answers

Thermostat


Heat pump Thermastats have Terminals RYW/OW2 G C. I run into this a lot with people buying tStats at home depot. To wire three sages of heat you must have correct tstat. one stage cool and three stage heat. You have to have enough wires at the Tstat. I use white first stage brown second and grey or black third. Make a diagram where each wire goes. Remember to trun of air handler power or you will short the transformer or blow low voltage fuse. Yellow cool, green fan, most of the time blue is c unless it is a battery tstat. orange is O. Red R ot power wire. Rusty

Jun 03, 2009 | Heating & Cooling

1 Answer

Robert Shaw 9600 - no heat blowing question


Typically red is power green is indoor fan white is for heat and yellow is for cooling. Sounds like you don't have a common. This IS ok just means your tstat requires batteries. BUT, if your tstat turns the fan on then it's not the batteries. Is this a newly installed tstat? Sounds like you might be on "gas" setting rather than "electric" need to check the settings or sometimes on the back of the tstat there's a little switch to flip to electric. Many tstats come from the manufacture set for gas rather than electric. Good Luck!!

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

Apr 05, 2017 | Heating & Cooling

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