Troubleshooting
Samsung Electronics
89
4-6-10 The other errors
Error code
Meaning
Troubleshooting
E177
Emergency stop
Indoor unit (Hydro Unit ) orders emergency stop.
Check the indoor unit (Hydro Unit).
E201
Hydro Unit quantity is mismatched.
Hydro Unit quantity must be matched with outdoor unit
1 by 1. Check the Hydro Unit quantity. It must be 1EA.
E403
Detection of outdoor freezing when
compressor stops.
Outdoor unit (Condenser) froze.
Check condenser.
E404
Protection of outdoor overload when
compressor stops.
Compressor is overloaded. Please check same as E461
and check compressor when it starts.
E416
Discharge temperature of a compressor in
an outdoor unit is overheated.
Discharge temperature is overheated.
E440
Heating operation is not available since the
Check the outdoor temperature.
E441
Cooling operation is not available since the
outdoor air temperature is lower than -15°C.
E465
Compressor over load error
Compressor is overloaded. Please check same as E461
and check compressor when it starts.
E468
Current sensor error
Exchange INVERTER PBA.
E471
Outdoor EEPROM error
EEPROM date is wrong. Exchange EEPROM or MAIN PBA.
This error don't occur in EMF 150-AM)
E474
IPM(IGBT Module) or PFCM temperature
sensor error
Exchange INVERTER PBA.
E484
PFC overload error
Check reactor located in control plate.
If reactor is normal, exchange INVERTER PBA.
E500
IPM is over heated.
Check INVERTER PBA's temperature. Power off and cool down
INVERTER PBA, and then restart the outdoor unit.
E556
Capacity mismatching between indoor and
outdoor.
EEPROM data is wrong.
Exchange EEPROM or MAIN PBA
E557
Option code miss matching among the
indoors(only for DPM)
Option setting data is wrong.
(This error don't occur in EMF 150-AM)