Fault Codes - Haier GE AZ45E07DABW5 Technical Service Manual

Fault Code Display Mode
While the Zoneline is in the "OFF" mode, press and hold the fan button with the red auxiliary 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/off.
If no codes are present, display will show "--" and flash that every 3 seconds on/off.
Displays all fault codes three times and then after an additional 30 seconds 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
Number
Indoor fan fault: Fan motor not
moving at commanded speed
F1
after 30 seconds of drive voltage.
Outdoor fan fault: Fan motor
not moving at commanded
F2
speed after 30 seconds of drive
voltage.
External thermostat wiring:
Applied signal is not valid
F3
and has been constant for 30
seconds.
Indoor thermistor fault: One
of the indoor thermistors is not
F4
reading valid temperatures.
Valid range is -10°F to 140°F.
Outdoor thermistor fault: One
of the outdoor thermistors is
F5
not reading valid temperatures.
Valid range is -30°F to 140°F.
Compressor fault: No
temperature change has been
F6
detected after 1 minute of
running.
Reversing valve fault:
Temperature change not
F7
happening as control expects
after 1 minute of running.
Software fault
F8
Indoor coil freeze fault: The
temperature of the indoor coil
F9
has fallen below the freeze
threshold of 34°F.
Features may vary depending model number throughout this Service Guide.

Fault Codes

Fault Meaning
Effect on Operation
While 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.
No effect.
No cooling or heat pump
operation. Resistance
heating or fan only.
No effect
The compressor is
shut down until the coil
temperature recovers.
– 32 –
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.
Fault clears after 3
minutes.
Fault clears
once indoor coil
temperature rises
above 50°F.
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