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2. Error Code
No.
Code
1
E-108
Error due to repeated address setting(when 2 or more devices has same address within the network).
2
E-121
Error on indoor temperature sensor of indoor unit(Short or Open).
3
E-122
Error on EVA IN sensor of indoor unit(Short or Open).
4
E-123
Error on EVA OUT sensor of indoor unit(Short or Open).
5
E-128
EVA IN temperature sensor of indoor unit is detached from EVA IN pipe.
6
E-129
EVA OUT temperature sensor of indoor unit is detached from EVA OUT pipe.
7
E-149
Error due to AHU MASTER indoor unit sensor setting.
8
E-151
Error due to opened EEV of indoor unit(2nd detection).
9
E-152
Error due to closed EEV of indoor unit(2nd detection).
10
E-153
Error on oat switch of indoor unit(2nd detection).
11
E-154
RPM feedback error of indoor unit.
12
E-162
EEPROM error of MICOM(Physical problem of parts/circuit).
13
E-163
Indoor unit's remote controller option input is incorrect or missing, Outdoor unit EEPROM data error.
14
E-198
Error due to disconnected thermal fuse of indoor unit (Temperature increase of the terminal block).
Communication error between indoor and outdoor unit (Installation number setting error repeated
15
E-201
indoor unit address, indoor unit communication cable error).
Communication error between indoor and outdoor unit(Communication error on all indoor unit,
16
E-202
outdoor unit communication cable error).
Communication error between main and sub micom or communication error
17
E-203
betten main and sub outdoor units.
17
E-205
Communication error on all PBA within the outdoor unit C-Box, communication cable error.
19
E-221
Error on outdoor temperature sensor of outdoor unit (Short or open).
20
E-231
Error on COND OUT temperature sensor of main outdoor unit (Short or open).
21
E-241
COND OUT sensor in detached.
22
E-251
Error on discharge temperature sensor of compressor 1 (Short or open).
23
E-262
Discharge temperature sensor of compressor 1 is detached from the sensor holder on the pipe.
24
E-266
Top sensor of compressor 1 is detached.
25
E-269
Suction temperature sensor is detached from the sensor holder on the pipe.
26
E-276
Error on Top sensor of compressor 1(Short or open).
27
E-291
Refrigerant leakage or error on high pressure sensor(Short or open).
28
E-296
Refrigerant leakage or error on low pressure sensor(Short or open).
29
E-308
Error on suction temperature sensor(Short or open).
30
E-311
Error on temperature sensor of double layer pipe/liquid pipe(sub heat exchanger)(Short or open).
31
E-321
Error on EVI(ESC) IN temperature sensor(Short or open).
32
E-322
Error on EVI(ESC) OUT temperature sensor(Short or open).
47
E-407
Compressor operation stop due to high pressure protection control.
48
E-410
Compressor operation stop due to low pressure protection control or refrigerant leakage.
49
E-416
Compressor operation stop due to discharge temperature protection control.
50
E-425
Phase reversal or phase failure(3Ø outdoor unit wiring, R-S-T-N),connection error on 3 phase input.
51
E-428
Compressor operation stop due to abnormal compression ratio.
EVI(ESC) EEV leakage or internal leakage of intercooler or incorrect connector insertion of EVI(ESC)
52
E-438
EEV.
53
E-439
Error due to refrigerant leakage.
54
E-440
Heating mode restriction due to high air temperature.
Samsung Electronics
Explanation
31
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