Samsung Electronics 31
2. Error Code
No. Code Explanation
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).
15 E-201
Communication error between indoor and outdoor unit (Installation number setting error repeated
indoor unit address, indoor unit communication cable error).
16 E-202
Communication error between indoor and outdoor unit(Communication error on all indoor unit,
outdoor unit communication cable error).
17 E-203
Communication error between main and sub micom or communication error
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.
52 E-438
EVI(ESC) EEV leakage or internal leakage of intercooler or incorrect connector insertion of EVI(ESC)
EEV.
53 E-439 Error due to refrigerant leakage.
54 E-440 Heating mode restriction due to high air temperature.