Heat Pump Installation Guide
81
Troubleshooting
Error
Code
Meaning
Troubleshooting
E177
Emergency stop
Indoor unit ($POUSPM kit) orders emergency stop.
Check the indoor unit ($POUSPM kit)
E201
Control kit quantity is mismatched.
Control kit quantity must be matched with outdoor unit 1 by 1.
Check the $POUSPM kit 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 out-
door air temperature is over 35 degrees.
Check the outdoor temperature.
E441
Cooling operation is not available since the out-
door air temperature is lower than -15 degrees.
Check the outdoor temperature.
E465
Compressor overload error
Compressor is overloaded. Please check same as E461 and
check compessor 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 doesn’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 PEA.
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)
EEPROM data is wrong.
(This error doesn’t occur in EMF 150-AM)
E911
Emergency stop
Ensure flow switch is fitted onto pipework and connected to
Samsung PCB.
Ensure flow rate is above 16 litres per minute.
Ensure all air is removed from system.
Check circulation pumps speed setting.
Check zone valves are not sticking cloesd.
Check direction of flow switch on pipework.
Check direction of pump on pipework.
Check direction of Flow Meter on pipework.
E912
Emergency stop
Check circulation pumps are not operating.
check flow switch is installed on horizontal pipework.
Ensure 150mm of horizontal pipework each side of flow switch.