Question about Ruud UBHC Air Conditioner
System is on calling for heat but furnace won`t come on.When it does eventually come on it cuts out before the programmed thermostat temps. When this happens 1 of the 2 green furnace lights blinks once repeatedly.This seems to occur when it is really cold outside. At other times the furnace works fine.
Sounds like you have a heat pump heat pumps dont work below 30* temps you should have some type of backup heat
Posted on Feb 05, 2009
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Posted on Jan 02, 2017
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