Question about Heating & Cooling
This could be
1. No signal from the thermostat
2. A faulty coil on the contactor.
3. A faulty disconnect feeding the condensing unit.
4. corroded connections on the contactor.
5. A broken wire or a wire that has came off a position.
6 A high pressure switch keeping the signal to the contactor off.
Be careful when troubleshooting this there is line voltage and a capacitor in this system.
Posted on Jul 01, 2008
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Posted on Jan 02, 2017
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