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