Haier 1U25YESFRA-3 - 10.4 Error Codes and Description indoor display

Service Diagnosis
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10.4 Error Codes and Description indoor display
Split board: LED1 light of outdoor PCB flash; All-in-one board: LED2 light of outdoor PCB flash
ERROR CODE
OUTDOOR
(LED FLASH TIMES)
FAULT DESCRIPTION
SPARE PART
Indoor and
Outdoor
E7
15
Communication fault between indoor
and outdoor units
Indoor PCB
Outdoor PCB
Power module
Communication wiring
Indoor
Malfunction
E1
/
Indoor temperature sensor failure
Room temperature sensor
Indoor PCB
E2
/
pipe temperature sensor failure
pipe temperature sensor
Indoor PCB
E4
/
Indoor EEPROM failure
Indoor PCB
E5
22
Indoor anti-frosting protection
pipe temperature sensor
Indoor PCB
Indoor motor
E9
21
Indoor unit overload in heating mode
pipe temperature sensor
Indoor PCB
Indoor motor
E14
/
Indoor fan motor malfunction
Indoor motor
Indoor PCB
Outdoor
Malfunction
F1
2
IPM protection
Power module
Refrigerant
F2
24
Instantaneous over-current protection
of the compressor
Power module
Refrigerant
compressor
F3
4
Communication error between Power
module and main PCB board.
Power module
Outdoor PCB
F4
8
Compressor discharging temperature
protection
Outdoor PCB
discharge sensor
F6
12
outdoor ambient sensor failure
outdoor ambient sensor
F7
11
Suction temperature sensor failure
Suction temperature sensor
outdoor PCB
F8
9
DC fan motor malfunction
outdoor PCB
outdoor motor
F9
26
Module reset
Power module
Outdoor PCB
compressor
F11
18
Loss of synchronism detection
The wiring of compressor
compressor
Power module
F12
1
EEPROM failure
Outdoor PCB