Troubleshooting - Samsung AE044MXTPEH Mode D'emploi

Troubleshooting

The table below give indication about self diagnostic routine. Some of error code requires activities
exclusively for Authorized Service Center.
Outdoor Unit
If an error occurs during the operation, it is displayed on the outdoor unit PCB LED, both MAIN PCB and INVERTER
PCB.
Display
101 Hydro Unit / Outdoor Unit communication connection error
122 EVA Inlet temp sensor SHORT or OPEN
123 EVA Outlet temp sensor SHORT or OPEN
162 EEPROM Error
198 Error of Terminal Block's Thermal Fuse(Open)
201 Hydro Unit / Outdoor Unit communication error(Matching error)
202 Hydro Unit / Outdoor Unit communication error(3 min)
203 Communication error between INVERTER and MAIN MICOM (4 min)
221 Outdoor Unit air temperature sensor error
231 Condenser temperature sensor error
251 Discharge temperature sensor error
320 OLP sensor error
403 Detection of freezing (During cooling operation)
Protection of Outdoor Unit when it is overload (during Safety Start,
404
Normal operation state)
407 Comp down due to high pressure
416 Discharge of a compressor is overheated
419 OUTDOOR UNIT EEV operation error
425 Power source line missing error (only for 3-phase model)
440 Heating operation blocked (outdoor temperature over 35 °C)
441 Cooling operation blocked (outdoor temperature under 9 °C)
458 OUTDOOR UNIT fan1 error
461 [Inverter] Compressor startup error
462 [Inverter] Total current error/PFC over current error
463 OLP is overheated
464 [Inverter] IPM over current error
465 Compressor overload error
466 DC LINK over/low voltage error
467 [Inverter] Compressor rotation error
468 [Inverter] Current sensor error
46
English
Explanation Error Source
Hydro Unit
Hydro Unit
Hydro Unit
Hydro Unit
Hydro Unit
Hydro Unit/
Ourdoor Unit
Hydro Unit/
Ourdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit