Fault Codes - GE AZ45E07DA Series Technical Service Manual

Fault Code Display Mode
While the Zoneline is in the "OFF" mode, press and hold the FAN button with the AUX SET button
simultaneously to enter into this mode. The Zoneline will then display all active fault codes held in memory,
showing each one for 3 seconds on/o .
If no codes are present, display will show "--" and ash that every 3 seconds on/o .
Displays all fault codes 3 times and then after 30 seconds more the Zoneline reverts to OFF mode. Pressing
AUX will clear stored faults but it will not exit the fault code menu. Any other button press takes Zoneline out
of this mode.
Fault Code Fault Meaning
Number
F1 Indoor fan fault - Fan motor not
moving at commanded speed
after 90 seconds of drive voltage.
F2 Outdoor fan fault - Fan motor
not moving at commanded
speed after 90 seconds of drive
voltage.
F3 External thermostat wiring
- Applied signal is not valid
and has been constant for 30
seconds.
F4 Indoor thermistor fault - One
of the indoor thermistors is not
reading valid temperatures. Valid
range is -10°F to 140°F.
F5 Outdoor thermistor fault - One
of the outdoor thermistors is not
reading valid temperatures. Valid
range is -30°F to 140°F.

Fault Codes

E ect on operation hile fault
is ACTIVE
No Resistance heating, fan, heat
pump or cooling available.
No heat pump or cooling
available. Resistance heating
and fan only.
No external control of fans,
heat or cooling. Internal control
operation only.
No resistance heating, fan, heat
pump or cooling available. Fan
only.
No cooling or heat pump
operation. Resistance heating or
fan only.
– 50 –
Fault reset
time
Fault clears
after 10
minutes.
Fault clears
after 10
minutes.
Clears once a
valid signal is
received.
Clears once a
valid signal is
received.
Clears once a
valid signal is
received.
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