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10.3 Error Codes and Description indoor display
Indoor displaying panel code
Other
display
Indoor and
Outdoor
E7
E1
Indoor
Malfunction
E2
E4
E9
E14
F12
F1
Outdoor
Malfunction
F22
F3
F19
F4
F21
F7
F6
F25
F11
F28
F2
F8
F23
Code indication
indication
Only For 498 and
498A display
(Red/Green Time Run
,)
Outdoor
fault description
(LED1
flash
times)
Communication
15
between
outdoor units
Room temperature sensor
--
failure
Heat-exchange
--
failure
--
Indoor EEPROM error
High-work
21
protection
Indoor
fan
--
malfunction
1
Outdoor EEPROM error
2
The protection of IPM
Overcurrent
3
of
AC electricity
the outdoor model
Communication
4
between the IPM and
outdoor PCB
Power voltage is too high
6
or low
Overheat protection for
8
Discharge temperature
Defrost
10
sensor failure
Suction
11
sensor failure
Ambient
12
sensor failure
Discharge
13
sensor failure
deviate from the normal
18
for the compressor
Loop
of
19
detect error
Overcurrent
24
compressor
Outdoor DC fan motor
9
fault
Overcurrent protection for
25
single-phase
compressor
28
Service diagnosis
Reference
Page
fault
indoor
and
Page .39
Page 29
sensor
Page 29
Page 30.
intense
Page 42
motor
Page 31
Page .30
Page .34
protection
for
Page .35
fault
Page.36
Page .37
Page .38
temperature
Page 29
temperature
Page.29
temperature
Page 29
temperature
Page 29
Page .41
the station
Page .41
of
the
Page .35
Page 32
of
the
Page .35
Domestic air conditioner
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