Question about Heating & Cooling
1. Check fuses or Breaker at outside disconect box.
2. Check contactor and make sure that there is 220 - 240 Volts at entry point and at exit point(Entry point is where cables from disconect box come in - Exit point is where cables are distributed to compressor, Capacitor and fan.)
3. If there is no voltage at exit point check the coil of the contactor for 24V~ . If there is voltage at entry point and voltage at coil and no voltage at exit point ***Replace Contactor***
4. If there is no voltage at coil Check Thermostat and transformer at inside unit or air handler.
5. If there is voltage at entry,coil and exit ***Replace Capacitor ****
6. Last if all this is good and no go, check or replace compressor.
Posted on Oct 04, 2009
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Posted on Jan 02, 2017
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