Samsung Electronics
31
2. Error Code
No.
Code
Description
1
E201
Communication error between indoor and outdoor unit (Tracking failure or the setting quantity/address
of indoor unit in outdoor unit’s PCB differs from the quantity/address of installed indoor unit.)
2
E202
Communication error between indoor and outdoor unit. (All the indoor communication error, outdoor
communication cable error.)
3
E203
Communication error between main and sub micom or communication error between main and sub
outdoor units.
4
E221
Error on ambient temperature sensor of outdoor unit. (Open or Short)
5
E251
Error on discharge temperature sensor of compressor. (Open or Short)
6
E231
Error on Cond-out temperature sensor of outdoor unit. (Open or Short)
7
E291
High pressure sensor error (Open/Short)
8
E296
Low pressure sensor error (Open/Short)
9
E308
Suction sensor error (Open/Short)
10
E311
Double tube sensor error (Open/Short)
11
E403
Antifreeze error
12
E407
Compressor stop by high pressure protection control
13
E410
Compressor stop by low pressure protection control
14
E416
Compressor stop by discharge temperature protection control
15
E419
EEV open error
16
E425
Reverse phase detection error
17
E438
EVI EEV open error
18
E439
Refrigerant leakage error (during stop status)
19
E440
Prohibition of heating operation when the ambient temperature is over 30°C
20
E441
Prohibition of cooling operation when the ambient temperature is below -15°C
21
E443
Refrigerant leakage error (during operation)
22
E458
Outdoor fan 1 error
23
E460
Power or voltage in connection wire between indoor-outdoor unit
24
E461
Compressor starting error
25
E462
Total current protection control, compressor stops
26
E463
OLP temperature control, compressor stops
27
E464
IPM over current error
28
E465
Compressor overload error
29
E466
DC-Link voltage under/over error
30
E467
Compressor rotation error
31
E468
Current sensor error
32
E469
DC LINK voltage sensor error
33
E470
EEPROM read/write error
34
E471
EEPROM unmatching error
35
E474
Heat sink temperature error
36
E475
Outdoor fan 2 error
37
E484
PFC overload
38
E485
Input current sensor error
39
E500
Heat sink overheat
40
E554
Gas leak error