Haier GE Vertical Zoneline AZ90E09D C Technical Service Manual page 28

Fault
Problem
Code
Front panel button stuck for
1
more than 20 seconds
Input voltage out of
2
Indoor temperature sensor is
open or shorted
3
Indoor coil temperature sensor
is open or shorted
4
Outdoor coil temperature
sensor is open or shorted
5
Outdoor coil > (greater than)
6
°
175 F
Indoor coil < (less than) 30
7 for 2 consecutive minutes
Zoneline Cycles > (greater
8
than) 9 times per hour
Zoneline Cycles < (less than)
9
3 times per hour
10 Not applicable
Wallstat problem or
11
connection issue
12 Not applicable
13 Not applicable
14 Not applicable
Heat pump fault
15
Temperature beyond operating
limits
16
Equipment doesn't meet
17
18 Not applicable
19 Not applicable
20 Not applicable
21 Not applicable
(Not a fault code)
Outdoor Coil temperature
22
°
< 30 F for 2 consecutive
minutes
23 Not applicable
24 Not applicable
Continue to monitor for "OPEN" (Unstuck) switch. Do not process
switch input.
GE Vertical Zoneline stops, open all relays until voltage is back within
specs then resume operation.
GE Vertical Zoneline defaults to 75
HEATING and will continue to operator if setting is below 75
cool mode or if above 68
The GE Vertical Zonelines control board defaults to 40
override the sensor and the GE Vertical Zoneline will continue to
operate.
The GE Vertical Zoneline defaults to 20
GE Vertical Zoneline will continue to operate. Using electric heat if
available for HEATING. If not available, it will use HEAT PUMP if the
outdoor temperature allows.
The GE Vertical Zoneline will shut down for 5 minutes. Resume
operation for 3 minutes. If test fails 3 times, the GE Vertical Zoneline
operation is locked out. To reset, turn power off and on.
° The compressor will turn off and the High Fan speed will run. When
F
coil temperature reaches 45
operation after lockout time.
The GE Vertical Zoneline will continue to operate and be monitored.
The GE Vertical Zoneline will continue to operate and be monitored.
Not applicable
The GE Vertical Zoneline will not operate.
Not applicable
Not applicable
Not applicable
If indoor coil temperature is less than ambient temperature for 3
minutes, the GE Vertical Zoneline will use electric heat to satisfy the
heating demand. Causes could be a bad reversing valve, or the heat
load is too high.
Occurs if the indoor ambient temperature range falls below 0
°
or greater than 130
temperature reaches the operating range and then the GE Vertical
Zoneline will return to normal operation.
The compressor must be enabled and have at least 2 fan speeds.
Not applicable
Not applicable
Not applicable
Not applicable
GE Vertical Zoneline will use electric heat to satisfy heating demands
until the temperature equals or exceeds 45
Pump models only.
Not applicable
Not applicable
– 28 –
Action
°
F in COOLING or 68
°
F in heat mode.
°
F, overriding the sensor. The
°
F, the GE Vertical Zoneline will resume
F. The fault code will remain on until the
°
F. Applicable for Heat
°
F in
°
F in
°
F. It will
°
F