Haier AW07EH2VHA Service Manual page 126

Outdoor Outdoor Outdoor
Pro-Series Multi-Zone Single-Zone
LED Display LED Display LED1 Flash
(CAC) (CAC) (RAC)
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J-14
Master Error Code Chart
FAULT DESCRIPTION
Low refrigerant flow. Lockout.
Liquid pipe sensor failure: Circuit A
Liquid pipe sensor failure: Circuit B
Liquid pipe sensor failure: Circuit C
Liquid pipe sensor failure: Circuit D
Gas pipe sensor failure: Circuit A
Gas pipe sensor failure: Circuit B
Gas pipe sensor failure: Circuit C
Gas pipe sensor failure: Circuit D
Gas pipe sensor failure: Circuit E
Outdoor pipe temperature protection in cooling mode
Compressor overcurrent detected by IPM
Malfunction of module temperature sensor momentary
power failure detection
Malfunction of condensing temperature sensor
Liquid pipe sensor failure - Circuit E
Toci temperature sensor failure
High Pressure switch open
Low Pressure switch open
System high pressure protection: Overcharged, high
condensing temperature or malfunction of fan motor.
System low pressure protection: Undercharged, low
defrosting temperature, or malfunction of fan motor.
Incorrect match between indoor & outdoor
OAT less than -22°F (-30°C)
Indoor ambient temperature sensor failure
Indoor coil temperature sensor failure
Indoor PCB EEPROM failure
Communication fault between the indoor and outdoor unit
Communication fault between the controller and Indoor
unit
DC voltage of the fan motor driver too high or too low
Fan motor driver over 95°F (35°C)
Indoor fan motor out of step
Drain system malfunction
Zero cross signal detected wrong
Indoor fan motor malfunction
Indoor fan motor overcurrent
* Hidden indoor error code. LED1 will flash outdoors, but no error will appear on indoor unit display.
To view error code on indoor display, press and hold the Emergency button for 15 seconds.
TROUBLESHOOTING & REFERENCES
HIGHWALL CONSOLE COMPACT CASSETTE
Panel LED Flash or
ID PCB LED Flash
Digital Digital
Display Display
Yellow Timer LED
(PCB LED5)
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F10 F10 4
F16 F16 4
F17 F17 5
F18 F18 5
F29 F29 5
F30 F30 5
F31 F31 5
F32 F32 5
F26 F26 5
F34 F34 5
/ / /
F35 F35 5
F36 F36 5
F33 F33 6
F38 F38 6
F39 F39 6
F40 F40 6
F41 F41 6
F42 F42 6
F43 F43 6
/ / /
E1 E1 0
E2 E2 0
E4 E4 0
/ / 0
/ E8 0
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/ E12 0
/ E13 / C1 0
E14* E14 0
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Green Run LED
(PCB LED1)
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8
9
0
1
2
3
4
5
6
7
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8
9
0
1
2
3
4
5
6
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1
2
4
7
8
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12
13
14
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