Hey guys,
I have a 1996 Newell #410 with the same basement AC set up. Everything was running fine until the other day. When the second compressor kicks in on the 2 stage unit, the condenser fan does not shift to high, it stops completely. I opened the unit up and took out the circuit board but did not find anything unusual, i.e. burnt connectors, etc. Do you think the problem is with the thermostat or the circuit board? Can someone explain exactly how the thermostat works? Any input is appreciated.
Thanks,
Nando Garbarino
Ft Myers, Florida
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