Troubleshooting For Outdoor Unit - Samsung AC035FCADEH/EU Service Manual

4-2-5 Troubleshooting for 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. Error Code
1 E201
2 E202
3 E203
4 E221
5 E231
6 E251
7 E320
8 E403
9 E404
10 E416
11 E422
E440
12
E441
E458
13
E475
14 E461
15 E462
16 E463
17 E464
18 E465
19 E466
20 E467
21 E468
22 E471
23 E474
24 E484
25 E500
26 E554
27 E556
4-16
Meaning
Unit quantity miss matching between indoor and outdoor.
Abnormal state, no communication between Indoor and Outdoor
Main PCB
1min. Time out of communcation error(Main Inverter)
Outdoor temp sensor error
Cond. temp sensor error
Discharge temp sensor error
OLP Sensor Error
Detection of Outdoor Freezing when Comp. Stop
Protection of Outdoor Overload when Comp. Stop
Discharge temperature of a compressor in an
outdoor unit is overheated.
High pressure blockage error
(Refrigerant completely Leakage error)
Heating operation is not available since the outdoor air tem-
perature is over 30°C.
Cooling operation is not available since the outdoor air tem-
perature is lower than -5°C.
Outdoor unit BLDC Fan 1 or Fan 2 error
Comp. Starting error
Primary Current Trip error
Over current trip / PFC over current error
IPM(IGBT Module) Over Current(O.C)
Comp. Over load error
DC-Link voltage under/over error
Comp. wire missing error
Current sensor error
Outdoor EEPROM error
IPM(IGBT Module) or PFCM Temperature sensor Error
PFC Overload Error
IPM is over heated.
GAS Leak error
Capacity miss match between indoor and outdoor
Remarks
Check indoor quantity setting in outdoor
(Refer to page 17.)
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
Check whether the outdoor unit
service valve is open.
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 date
Check Outdoor Inverter PBA
Check Outdoor Inverter PBA
Check Outdoor Inverter PBA
Check indoor and outdoor unit model
Check indoor and outdoor unit model
Samsung Electronics