ENGLISH
27
AATroubleshooting
No.
LED Display
Displayed
PCB Assy
Meaning Remarks
Error Code
Red Green Yellow
-
MAIN/INVERTER
Normal operation
(MAIN : IndoorOutdoor : 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 (Refer to page 17.)
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 communcation 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 -5°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 date E471
22
MAIN/INVERTER
IPM(IGBT Module) or PFCM Temperature sensor Error
Check Outdoor Inverter PBA E474
23
MAIN/INVERTER
PFC Overload Error
Check Outdoor Inverter PBA
E484
24
MAIN/INVERTER
IPM is over heated. Check Outdoor Inverter PBA E500
25
MAIN
GAS Leak error
Check indoor and outdoor unit model
E554
26
MAIN
Capacity miss match between indoor and outdoor
Check indoor and outdoor unit model
E556
27
MAIN
Option code miss matching among the indoors
(only for DPM)
Check indoor option code E557
Off Blink On
The table below give indication about self diagnostic routine. Some of error code requires activities exclusively for Authorized
Service Center.
If an error occurs during the operation, it is displayed on the outdoor unit PCB LED, both MAIN PCB and INVERTER PCB.
Outdoor unit
RC***DHXEA_IM_E_32793A(5).indd 27 2011-03-09 오후 9:32:46