Haier AS25S2SF1FA-WH - Page 29

Service diagnosis
Domestic air conditioner
27
10.3 Error Codes and Description indoor display
Only For 498 and
498A display
(Red/Green Time
Run
□On ★
●
Flash■Off)
Indoor and
Outdoor
E7
Directly display
■ ■ ★
15
Communication fault between
indoor and outdoor units
Page.36
E1
Directly display
★
■ ■
/
Indoor temperature sensor failure
Page.28
E2
Directly display
★ □ □
/
Indoor coil sensor failure
Page.28
E4
Directly display
★ □ ★
/
Indoor eeprom failure
Page.29
E14
Directly display
■
●
□ ★
/
Indoor fan failure
Page.30
E5
Trouble record
□ ■ ★
22
Internal unit antifreeze
protection
/
E9
Trouble record
□ ■
●
★
21
Internal unit overload
Page.39
F12
Directly display
■
★ ■
1
Eeprom failure
Page.29
F1
Directly display
□ ★ ★
2
IPM failure
Page.31
F22
Directly display
★ ★ ■
3
AC current overcurrent
protection
Page.32
F3
Directly display
■ ★ ■
4
Communication error between module
board and main PCB board
Page.33
F20
Trouble record
■ ★ □
5
High pressure protection
/
F19
Trouble record
■ ★ □
6
Power over/under voltage
protection
Page.34
F27
Directly display
■ ★ ■
7
Compressor stall / press
instantaneous stop
/
F4
Directly display
■ ★ ■
8
Compressor discarging temperature
protection
Page.35
F8
Trouble record
■ ★ □
9
Abnormal of DC motor
Page.30
F21
Directly display
□
●
□ ★
10
Abnormal of piping sensor
Page.28
F7
Directly display
■
●
★ ■
11
Suction temperature sensor
failure
Page.28
F6
Directly display
□ ★ ■
12
Abnormal of outdoor ambient sensor
Page.28
F25
Directly display
★ □ ■
13
Abnormal of compressor discharge
sensor
Page.28
F13
Trouble record
■ ★ □
16
Lack of refrigerant
/
F14
Trouble record
■ ★ □
17
4-way valve reverse failure
/
F11
Directly display
■ ★ ■
18
Compressor jam (only for spdu)
Page.38
F28
Directly display
■ ★ ■
19
Module PWM select circuit error
Page.38
F15
Trouble record
■ ★ □
20
Outdoor terminal block
temperature protection
/
F2
Trouble record
■ ★ □
24
Instantaneous over-current
protection of the compressor
Page.32
F23
Trouble record
■ ★ □
25
Compressor U-phase overcurrent
Compressor V-phase overcurrent
Compressor W-phase overcurrent
Page.32
F9
Trouble record / 26
Module reset
/
F24
Trouble record
★ ■ ★
27
CT disconnection
/
F34
Trouble record / 37
Outdoor coil protection
/
F35
Trouble record
■ ★ □
38
Compressor driver board failure
/
F43
/
■ ★ ■
46
Model matching abnormality
/
Indoor
Malfunction
Outdoor
Malfunction
fault description
Reference
Page
Other display
Indoor displaying panel code
indication
Code indication
Outdoor
(LED1
flash
times)