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Troubleshooting
The table below give indication about self diagnostic routine. Some of error code requires activities exclusively for Authorized
Service Center.
Outdoor unit
If an error occurs during the operation, it is displayed on the outdoor unit PCB LED, both MAIN PCB and INVERTER PCB.
No.
Displayed PCB
Assy
Meaning
Remarks
Error Code
-
MAIN/INVERTER
Normal operation
(MAIN : Indoor
↔
Outdoor : Green ON)
(INVERTER : MAIN PCB
↔
INVERTER PCB : Green ON)
-
1
MAIN
Unit quantity miss matching between indoor and
outdoor.
Check indoor quantity setting
in outdoor
E201
2
MAIN/INVERTER
Abnormal state, no communication between Indoor and
Outdoor Main PCB
Check electrical connection
and setting
E202
3
MAIN/INVERTER 1min. Time out of communication error(Main
↔
Inverter)
Check electrical connection
and setting
E203
4
MAIN
Outdoor temp sensor error
Check Outdoor sensor Open/
Short
E221
5
MAIN
Cond. temp sensor error
Check Cond. sensor Open/
Short
E231
6
MAIN
Discharge temp sensor error
Check Discharge sensor
Open/Short
E251
7
MAIN
OLP Sensor Error
Check OLP sensor Open/Short
E320
8
MAIN
Detection of Outdoor Freezing when Comp. Stop
Check Outdoor Cond.
E403
9
MAIN
Protection of Outdoor Overload when Comp. Stop
Check Comp. when it start
E404
10
MAIN
Discharge temperature of a compressor in an
outdoor unit is overheated.
E416
11
MAIN
Heating operation is not available since the outdoor air
temperature is over 30 °C.
Heating
E440
Cooling operation is not available since the outdoor air
temperature is lower than -15 °C.
Cooling
E441
12
MAIN/INVERTER
Outdoor unit BLDC Fan 1 or Fan 2 error
FAN1 error
E458
FAN2 error
E475
13
MAIN/INVERTER
Comp. Starting error
E461
14
MAIN
Primary Current Trip error
E462
15
MAIN
Over current trip / PFC over current error
Check OLP sensor
E463
16
MAIN/INVERTER
IPM (IGBT Module) Over Current(O.C)
E464
17
MAIN/INVERTER
Comp. Over load error
E465
18
MAIN/INVERTER
DC-Link voltage under/over error
Check AC Power or DC_Link
voltage
E466
19
MAIN/INVERTER
Comp. wire missing error
Check Comp. wire
E467
20
MAIN/INVERTER
Current sensor error
Check Outdoor Inverter PBA
E468
21
MAIN
Outdoor EEPROM error
Check Outdoor EEPROM data
E471
22
MAIN/INVERTER
IPM (IGBT Module) or PFCM Temperature sensor Error
Check Outdoor Inverter PBA
E474
06
INST
ALL
ATION
ENGLISH-65
PAC MIRAGE Saudi_IBIM_EN_CS6_DB68-04872A-05.indd 65
2016-08-08 오전 11:38:43