Jessman
Jul 25, 2007, 11:57 PM
Hello everyone,
A few days ago, my AC went out; no heat, no air and no fan. I have a Goodman furnace and compressor. I checked the t-stat wires and there was no power. I replaced my t-stat (taking care to re-wire properly) and still nothing.
I traced the power across the entire system, starting with my breaker box, and I had power to the compressor and the furnace. I replaced the switch on the outside of my furnace (not necessary but it was suspect) and traced the power to the control panel in my furnace. I had power everywhere except the 24 Volts running out of the circuit board to my thermostat and back to the compressor. The fix ended up being the 3 Amp fuse on the circuit board. I replaced that fuse and pushed in the kill switch on the furnace, and the unit came alive and everything seemed to be fine.
I set the t-stat to cool (70 degrees) and left for about 2 and a half hours. When I came back, it was not cooling although air was blowing through the vents. It would run for a few minutes and then cut off - in cycles. I reset all the controls on the thermostat and made sure that the settings matched my system and still no cold air. I checked the compressor outside, and the fan on the condenser was not turning, so I turned off the system to avoid damaging the compressor.
When I was tracing the power across the system, I tested the compressor by pressing the points with a screwdriver. When I did that, the unit came on and everything functioned properly (including the condenser fan). So, now that I have power to the compressor, which responded properly when tested and currently makes noise when activated, and I have power to the furnace and to the t-stat, as well as air blowing in the house; why is the condenser fan not working now and cooling as before?
Is there a reset switch for the compressor, or have I missed something? I thought I had a clean fix with the fuse because I have power everywhere else. It seems as though everything should be back to normal!
Please help!
Thank you for your time and assistance,
Jessman
A few days ago, my AC went out; no heat, no air and no fan. I have a Goodman furnace and compressor. I checked the t-stat wires and there was no power. I replaced my t-stat (taking care to re-wire properly) and still nothing.
I traced the power across the entire system, starting with my breaker box, and I had power to the compressor and the furnace. I replaced the switch on the outside of my furnace (not necessary but it was suspect) and traced the power to the control panel in my furnace. I had power everywhere except the 24 Volts running out of the circuit board to my thermostat and back to the compressor. The fix ended up being the 3 Amp fuse on the circuit board. I replaced that fuse and pushed in the kill switch on the furnace, and the unit came alive and everything seemed to be fine.
I set the t-stat to cool (70 degrees) and left for about 2 and a half hours. When I came back, it was not cooling although air was blowing through the vents. It would run for a few minutes and then cut off - in cycles. I reset all the controls on the thermostat and made sure that the settings matched my system and still no cold air. I checked the compressor outside, and the fan on the condenser was not turning, so I turned off the system to avoid damaging the compressor.
When I was tracing the power across the system, I tested the compressor by pressing the points with a screwdriver. When I did that, the unit came on and everything functioned properly (including the condenser fan). So, now that I have power to the compressor, which responded properly when tested and currently makes noise when activated, and I have power to the furnace and to the t-stat, as well as air blowing in the house; why is the condenser fan not working now and cooling as before?
Is there a reset switch for the compressor, or have I missed something? I thought I had a clean fix with the fuse because I have power everywhere else. It seems as though everything should be back to normal!
Please help!
Thank you for your time and assistance,
Jessman