Troubleshooting - Samsung AC052HBMPKH Manual

Troubleshooting

AA
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.
Normal operation
- (MAIN : IndoorOutdoor : Green ON)
(INVERTER : MAIN PCBINVERTER PCB : Green ON)
1 Unit quantity miss matching between indoor and outdoor.
Abnormal state, no communication between Indoor and Outdoor
2
Main PCB
3 1min. Time out of communcation error(MainInverter)
4 Outdoor temp sensor error
5 Cond. temp sensor error
6 Discharge temp sensor error
7 OLP Sensor Error
8 Detection of Outdoor Freezing when Comp. Stop
9 Protection of Outdoor Overload when Comp. Stop
Discharge temperature of a compressor in an
10
outdoor unit is overheated.
Heating operation is not available since the outdoor air tem-
perature is over 30°C.
11
Cooling operation is not available since the outdoor air tem-
perature is lower than -15°C.
12 Outdoor unit BLDC Fan 1 or Fan 2 error
13 Comp. Starting error
14 Primary Current Trip error
15 Over current trip / PFC over current error
16 IPM(IGBT Module) Over Current(O.C)
17 Comp. Over load error
18 DC-Link voltage under/over error
19 Comp. wire missing error
20 Current sensor error
21 Outdoor EEPROM error
22 IPM(IGBT Module) or PFCM Temperature sensor Error
23 PFC Overload Error
24 IPM is over heated.
25 GAS Leak error
26 Capacity miss match between indoor and outdoor
27 Option code miss matching among the indoors (only for DPM) Check indoor option code
28 Outdoor EEPROM error (checksum)
48
Meaning Remarks
Check indoor quantity setting in outdoor
Check electrical connection and setting
Check electrical connection and setting
Check Outdoor sensor Open/Short
Check Cond. sensor Open/Short
Check Discharge sensor Open/Short
Check OLP sensor Open/Short
Check Outdoor Cond.
Check Comp. when it start
Heating
Cooling
FAN1 error
FAN2 error
Check OLP sensor
Check AC Power or DC_Link voltage
Check Comp. wire
Check Outdoor Inverter PBA
Check Outdoor EEPROM data
Check Outdoor Inverter PBA
Check Outdoor Inverter PBA
Check Outdoor Inverter PBA
Check indoor and outdoor unit model
Check indoor and outdoor unit model
Check Outdoor EEPROM data
Error Code
-
E201
E202
E203
E221
E231
E251
E320
E403
E404
E416
E440
E441
E458
E475
E461
E462
E463
E464
E465
E466
E467
E468
E471
E474
E484
E500
E554
E556
E557
E470