Fault Codes - GE AZ45E07EA 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 the Fault Code Display Mode. The Zoneline will then display all active Fault codes
The Fault Code Display Mode will display all Fault codes 3 times and then after 30 additional seconds the
Zoneline reverts to OFF mode. Pressing AUX will clear the 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 is
not moving at commanded
speed after 90 seconds of drive
voltage.
F2 Outdoor fan fault: Fan motor
is not moving at commanded
speed after 90 seconds of drive
voltage.
F3
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.
F6 Compressor fault: No
temperature change has been
detected after 1 minute of
running.

Fault Codes

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.
– 49 –
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.
Fault clears
after 3
minutes.
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