Samsung AM Series Installation Manual page 30

Troubleshooting
Wired remote control
f If an error occurs, is displayed on the wired remote control.
f
f If you would like to see an error code, press the Test button. f
Display
E108
E121
E122
E123
E153
E154
E198
E201
E202
E203
E221
E231
E251
E320
E403
E404
E416
E422
E425
E440
E441
E458
E461
E462
E463
E464
E465
E466
E467
E468
30
Error due to repeated communication address
Error on room temperature sensor of indoor unit (Short or Open)
Error on EVA IN sensor of indoor unit (Short or Open)
Error on EVA OUT sensor of indoor unit (Short or Open)
Error on float switch (2nd detection)
Indoor fan error
Error on thermal fuse of indoor unit (Open)
Communication error between indoor unit and outdoor unit (Pre tracking failure or when
actual number of indoor units are different from the indoor unit quantity setting on the
outdoor unit) Error due to communication traking failure after initial power is supplied.
Communication error between indoor unit and outdoor unit (When there is no response
from indoor units after tracking is completed)
Communication error between outdoor unit inv - main micom (For PF #4~#6 controller,
error will be determined from the time when compressor is turned on)
Error on outdoor temperature sensor (Short or Open)
Error on outdoor COND OUT sensor (Short or Open)
Error on discharge temperature sensor of compressor 1 (Short or Open)
Error on OLP sensor (Short or Open)
Compressor down due to freeze protection control
System stop due to overload protection control
System stop due to discharge temperature
Blockage detected on high pressure pipe
Reverse phase or open phase
Heating operation restricted at outdoor temperature over Theat_high value (default: 30 °C)
Cooling operation restricted at outdoor temperature below Tcool_low value (default: 0 °C)
Fan speed error
Error due to operation failure of inverter compressor
System stop due to full current control
Over current trip / PFC over current error
IPM Over Current(O.C)
Comp. Over load error
DC-Link voltage under/over error
Error due to abnormal rotation of the compressor or unconnected wire of compressor
Error on current sensor (Short or Open)
Explanation