Noticed blowing cold air when on HEAT.
When this happens, the condenser (outside) is not running (comperssor or fan), "heat on" not lit up on thermostate & emergency heat not on. Cannot turn air handler off without throwing breaker.
Had the thermostat replaced. About a week later, its doing it again.
He came back and corrected some wiring in the therm and aux heat was working.
Well, about another week later, the unit is blowing cool air. Same thing - condensor not running, "heat on" is not showing on thermostate. However, this time, I found if I turn the fan to "auto" and back to "on" it seems to reset immediately and everything works.
I remember once years ago I had a unit with a bad board causing it to go into defrost mode.
I'm not getting a response from my AC guy. I think he's maybe at a loss and is embarrased to call me back?
Any ideas???
When this happens, the condenser (outside) is not running (comperssor or fan), "heat on" not lit up on thermostate & emergency heat not on. Cannot turn air handler off without throwing breaker.
Had the thermostat replaced. About a week later, its doing it again.
He came back and corrected some wiring in the therm and aux heat was working.
Well, about another week later, the unit is blowing cool air. Same thing - condensor not running, "heat on" is not showing on thermostate. However, this time, I found if I turn the fan to "auto" and back to "on" it seems to reset immediately and everything works.
I remember once years ago I had a unit with a bad board causing it to go into defrost mode.
I'm not getting a response from my AC guy. I think he's maybe at a loss and is embarrased to call me back?
Any ideas???