Trouble Shooting - Samsung HHSM-G500005-1 Installation Manual

Troubleshooting
Error
Code
E177
Emergency stop
E201
Control kit quantity is mismatched.
E403
Detection of outdoor freezing when compressor
stops.
E404
Protection of outdoor overload when compressor
stops.
E416
Discharge temperature of a compressor in an
outdoor unit is overheated.
E440
Heating operation is not available since the out-
door air temperature is over 35 degrees.
E441
Cooling operation is not available since the out-
door air temperature is lower than -15 degrees.
E465
Compressor overload error
E468
Current sensor error
E471
Outdoor EEPROM error
E474
IPM (IGBT Module) or PFCM temperature sensor
error
E484
PFC overload error
E500
IPM is over heated
E556
Capacity mismatching between indoor and
outdoor
E557
Option code miss matching among the indoors
(only for DPM)
E911
Emergency stop
E912
Emergency stop
Meaning Troubleshooting
Indoor unit ($POUSPM kit) orders emergency stop.
Check the indoor unit ($POUSPM kit)
Control kit quantity must be matched with outdoor unit 1 by 1.
Check the $POUSPM kit quantity. It must be 1EA.
Outdoor unit (condenser) froze.
Check condenser.
Compressor is overloaded. Please check same as E461 and
check compressor when it starts.
Discharge temperature is overheated.
Check the outdoor temperature.
Check the outdoor temperature.
Compressor is overloaded. Please check same as E461 and
check compessor when it starts.
Exchange INVERTER PBA.
EEPROM date is wrong. Exchange EEPROM or MAIN PBA. (This
error doesn't occur in EMF 150-AM)
Exchange INVERTER PBA.
Check reactor located in control plate.
If reactor is normal, exchange INVERTER PEA.
Check INVERTER PBA's temperature. Power off and cool down
INVERTER PBA, and then restart the outdoor unit.
EEPROM data is wrong.
Exchange EEPROM or MAIN PBA
EEPROM data is wrong.
(This error doesn't occur in EMF 150-AM)
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.
Check circulation pumps are not operating.
check flow switch is installed on horizontal pipework.
Ensure 150mm of horizontal pipework each side of flow switch.
Heat Pump Installation Guide 81