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