Troubleshooting
22
Samsung Electronics
4-2
.
E
rror
Co
d
e
N
o
.
Code
De
scr
i
p
tio
n
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
E286
Middle pressure sensor error (Open/Short)
8
E291
High pressure sensor error (Open/Short)
9
E296
Low pressure sensor error (Open/Short)
10
E308
Suction sensor error (Open/Short)
11
E311
Double tube sensor error (Open/Short)
12
E403
Antifreeze error
13
E407
Compressor stop by high pressure protection control
14
E410
Compressor stop by low pressure protection control
15
E416
Compressor stop by discharge temperature protection control
16
E419
EEV open error
17
E425
Reverse phase detection error
18
E438
EVI EEV open error
19
E439
Refrigerant leakage error (during stop status)
20
E440
Prohibition of heating operation when the ambient temperature is over 30°C
21
E441
Prohibition of cooling operation when the ambient temperature is below -15°C
22
E443
Refrigerant leakage error (during operation)
23
E449
Compressor stop by middle pressure protection control
24
E458
Outdoor fan 1 error
25
E460
Power or voltage in connection wire between indoor-outdoor unit
26
E461
Compressor starting error
27
E462
Total current protection control, compressor stops
28
E463
OLP temperature control, compressor stops
29
E464
IPM over current error
30
E465
Compressor overload error
31
E466
DC-Link voltage under/over error
32
E467
Compressor rotation error
33
E468
Current sensor error
34
E469
DC LINK voltage sensor error
35
E470
EEPROM read/write error
36
E471
EEPROM unmatching error
37
E474
Heat sink temperature error
38
E475
Outdoor fan 2 error
39
E484
PFC overload
40
E485
Input current sensor error
41
E500
Heat sink overheat
42
E554
Gas leak error