Kicking A Breaker KICKING A BREAKER – The breaker serving power to either the outdoor or indoor unit trips. This can be the sign of a

Thermostat Blank THERMOSTAT BLANK or THERMOSTAT DOESN’T WORK– The display on a digital thermostat shows no information or the thermostat does not function properly. POSSIBLE PROBLEM &

Odor ODOR – An unusual smell from the duct-work or registers when the unit is running. There can be multiple sources of unusual odor from an

Noise NOISE – An air conditioning system starts making an unusual noise. The noise may be generated from the indoor or the outdoor unit. NOISES FROM

Freezing-up FREEZING-UP– a condition where the indoor coil and sometimes the connecting lines, become covered with ice. This is generally accompanied by a loss of

Fan Doesn’t Run FAN DOESN’T RUN – The indoor blower motor does not come on and there is no cold air coming out of the registers.

Fan Runs Continuous FAN RUNS CONTINUOUS – The thermostat maintains the correct temperature, but the indoor fan never quits blowing. POSSIBLE PROBLEM & DESCRIPTION Thermostat “Fan”

Thermostat Flashing THERMOSTAT FLASHING – Some York heat pumps and air conditioners utilize a computerized equipment monitoring system which will flash a “diagnostic” light at the

Sometimes Doesn’t Cool SOMETIMES DOESN’T COOL – In this situation, an air conditioner will cool most of the time, but every once in a while will

Low Cool LOW COOL & RUNS TOO MUCH – Low cooling is commonly caused by a functioning system that has some type of abnormality that is