GE Zoneline AZ95E Mode D'emploi page 30

Troubleshooting Tips... Before you call for service
Save time and money! Review the charts on the following pages first and you may not need to call for service.
Problem
The unit does not function
after installing Remote
Wall Thermostat
Heat pump operates with
electric heat only during
heating.
FAULT CODES - Press and hold MODE, then press AUX
Fault Code Fault Meaning
Numbers
2
3
temperatures.
5 Outside thermistor fault.
One of the outside thermistors is not reading valid temperatures.
minute of running.
7
8 Software fault. Stack overflow.
Heater airflow fault.
Outlet thermistor failure. Fault clears when thermistor reads value other
than short circuit or open circuit.
when air temperature drops below threshold.
23
25
Air Conditioning Lockout Fault. Sets when outdoor ambient temperature drops
Possible Cause
Unit thermostat connections are incorrect.
Outdoor ambient temperature is too cold.
What To Do
thermostat connector.
Wait 5 minutes to see if power resets.
Heat pump operation will not function if the outdoor ambient
temperature is too cold. Heat pump will resume once the
outdoor temperature has sufficiently warmed up
heat pump operation.
Effective on system operation while
fault is active
pump or cooling available.
Resistance heating and fan only.
cooling internal control operation only.
Resistance heating and fan only.
Resistance heating and fan only.
Resistance heating and fan only.
coil temperature recovers.
coil temperature recovers.
Heat pump and resistance heating are
shut down and restarted when the indoor
ambient temperature cools sufficiently.
Locks out heat pump, locks out defrost.
Locks out compressor cooling operation.
OFF
49-5000561 Rev. 1