No over zero signal.
Outdoor coil temperature sensor fault.
Ipm over high temperature.
Sensor of indoor unit fault.
Outdoor dc fan fault.
We have a wire going outside that i think is for the temp sensing.
Outdoor fan motor fault dc motor ea.
System high pressure protection.
Indoor fan motor fault.
E5 ol 6 time evaporator coil temperature sensor t2 open circuit or short circuit.
Compressor discharge high temperature protection.
Cooling oil return cycle.
Outdoor unit over high or over low ac voltage protection.
Suction temperature sensor failure.
Outdoor dc fan motor fault.
Power voltage is too high or low.
Systxbbuid01 d the outdoor temperature on the thermostat display most of the time is wrong by at least 10f or more and often gets stuck at the same reading all day.
Compressor phase current protection.
Outdoor pipe coil temperature sensor opt e4.
Found it was not getting 24v.
Communication fault between the ipm and outdoor pcb.
System low pressure protection.
Discharge air temperature failure on modulating heat and modulating reheat units.
Indoor pipe coil temperature sensor ipt e3.
Entering evaporator temperature failure on.
Does anyone know where the temp sensor is and if it can be replaced.
Outdoor air temperature sensor failure.
Or is it some kind of software bug in thermostat.
Intelligent power module of drive and module fault.
Discharge temperature sensor failure.
Outdoor coil temperature sensor fault.
Outdoor ambient temperature sensor fault.
Dc voltage over high or over low voltage protection.
Defrost temperature sensor failure.
Air conditioning and cooling systems outdoor coil ttemp sensor my contactor was not pulling closed.
Outdoor discharge air temperature sensor.
When the outdoor coil pipe temp sensor is out of order or removed the air conditioner will set to defrost automatically in order to prevent it not working normally while the outdoor coil pipe temp sensor is malfunction.
Outdoor coil temp sensor failure heat pumps only 6.
Outdoor machine ac current protection.
Outdoor mid coil temperature sensor malfunction.
Traced to i think the temp sensor.
Overheat protection for discharge temperature.
Defrost fault condition heat pumps only 7.
Ec ol 7 time refrigerant leak detection.
Or is thermostat itself bad.
Ambient temperature sensor failure.
Outdoor ambient temperature sensor malfunction.
I bypassed it with a jumper.
F1 ol 2 time tl on outdoor ambient temperature sensor t4 open circuit or short.