GE Zoneline AZ9VH Owner's Manual And Installation Instructions page 32

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.
32
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.
will be in heat pump operation.
OFF
49-5000640 Rev. 2