Haier 1U35YEFFRA-C - Page 502

Service diagnosis
30
Domestic air conditioner
10.3 Error Codes and Description indoor display
Only For 498 and
498A display
(Red/Green Time Run
□
On
★
Flash
■
Off)
Indoor
and
Outdoo
r
E7 Directly display
■ ■ ★
15
Communication fault between
indoor and outdoor units Page.42
E1 Directly display
★
■ ■
/
Indoor temperature sensor failure
Page.32
E2 Directly display
★ □ □
/
Indoor coil sensor failure
Page.32
E4 Directly display
★ □ ★
/
Indoor eeprom failure
Page.33
E14 Directly display
■ □ ★
/
Indoor fan failure
Page.34
E5 Trouble record
□ ■ ★
22
Internal unit antifreeze protection
Page.
E9 Trouble record
□ ■ ★
21
Internal unit overload
Page.45
F12 Directly display
■
★ ■
1
Eeprom failure
Page.33
F1 Directly display
□
●
★ ★
2
IPM failure
Page.37
F22 Directly display
★
●
★ ■
3
AC current overcurrent protection
Page.38
F3 Directly display
■ ★ ■
4
Communication error between
module board and main PCB
board.
Page.39
F20 Trouble record
■
●
★ □
5
High pressure protection
Page.45
F19 Trouble record
■ ★ □
6
Power over/under voltage
protection
Page.40
F27 Directly display
■ ★ ■
7
Compressor stall / press
instantaneous stop
Page.40
F4 Directly display
■ ★ ■
8
Compressor discarging
temperature protection
Page.41
F8 Trouble record
■ ★ □
9
Abnormal of DC motor
Page.36
F21 Directly display
□ □ ★
10
Abnormal of piping sensor
Page.32
F7 Directly display
■ ★ ■
11
Suction temperature sensor failure
Page.32
F6 Directly display
□ ★ ■
12
Abnormal of outdoor ambient
sensor
Page.32
F25 Directly display
★ □ ■
13
Abnormal of compressor
discharge sensor
Page.32
F13 Trouble record
■ ★ □
16
Lack of refrigerant
Page.
F14 Trouble record
■ ★ □
17
4-way valve reverse failure
Page.
F11 Directly display
■
●
★ ■
18
Compressor jam (only for spdu)
Page.44
F28 Directly display
■ ★ ■
19
Module PWM select circuit error
Page.44
F15 Trouble record
■ ★ □
20
Outdoor terminal block
temperature protection
Page.
F2 Trouble record
■
●
★ □
24
Instantaneous over-current
protection of the compressor
Page.38
F23 Trouble record
■ ★ □
25
Compressor U-phase overcurrent
Compressor V-phase overcurrent
Compressor W-phase overcurrent
Page.38
F9 Trouble record
/ 26
Module reset
Page.46
F24 Trouble record
★ ■ ★
27
CT disconnection
Page.
F34 Trouble record
/ 37
Outdoor
coil protection
Page.
F35 Trouble record
■ ★ □
38
Compressor driver board failure
Page.
F43
/
■ ★ ■
46
Model matching abnormality
Page.
Indoor
Malfunc
tion
Outdoo
r
Malfunc
tion
fault description
Referenc
e Page
Other display
Indoor displaying panel code indication
Code indication
Outdoor
(LED1
flash
times)