Question about Ruud Heating & Cooling
I have turned down thermostate and waited. Nothing. Turned off breaker that feed the outside breaker and made sure no power. I checked the old breaker , seems okay and using my electrical power indicator the unit is getting power.
Furnace blower is fine.
It looks as if the 24 signal from the thermostat is not getting to the contactor. Or possibly the coil in the contactor itself is dead. Or a third option may be a bad control power board in the condensing unit itself. If you feel comfortable reading through these devices comment back. PLEASE REMEMBER THERE IS HIGH VOLTAGE INSIDE THE CONDENSER AND A CAPACITOR.
Posted on Jul 06, 2008
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Posted on Jan 02, 2017
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