Rheem Pool Heat Pump Error Codes | Troubleshooting

Rheem Pool Heat Pump Error Codes | Troubleshooting


Rheem Pool Heat Pump Error Codes Troubleshooting

Alarm code E0 Error Description probe 1 error (control)

Alarm code E1 Error Description probe 2 error (defrost)

Alarm code E2 Error Description probe 3 error (cond)

Alarm code IA Error Description external alarm

Alarm code dOR Error Description open door alarm

Alarm code LO Error Description low temperature alarm

Alarm code HI Error Description high temperature alarm

Alarm code EE Error Description unit parameter error

Alarm code EF Error Description operating parameter error

Alarm code Ed Error Description defrost ended by timeout

Alarm code dF Error Description defrost running

Alarm code cht Error Description dirty condenser pre-alarm

Alarm code CHt Error Description dirty condenser alarm

Alarm code EtC Error Description clock alarm

Answer – The desired program temperature point is less than 60 ° F (15 ° C).

LP and LP3 – Refrigerant gas shortage or faulty low pressure in the unit. The 3LP will show the unit (LP3) after faults and shut down the unit and pool pump for safety. If this happens, you should call for service.

HP and HP 6 – Low water flow or faulty high pressure control in the unit. check properly the water flow / backwash. Unit 6 HP will show after the defect (HP 6). This will cause the unit to shut down for safety.

FLO & FL3 – Possible reasons:

  • The filter is in the backwash state.
  • Lack of water to the pool pump.
  • The filter pump is off.
  • The filter is dirty.
  • The water pressure switch must be adjusted or it is broken.
  • The unit is in safety mode and will show (FL3), press any key to restart the unit.
  • The FL3 code will shut down the unit and pool pump.

FS – The unit is in defrosting cycle. (The fan works but the compressor is off.)

Reem Pool Heat Pump Troubleshooting


careful! Any problems related to electrical or refrigeration should be done by licensed persons only. Any electrical work is to be done electrically with the unit separately.

The machine will not start;

As a safety feature, there is a time delay between the provision of power and unit starting in the heat pump, usually within a few minutes. Wait for this time delay before performing the following check properlys:

  • check properly the power supply on the unit is turned on.
  • The check properly phases are in the correct rotation (for three phase units only), the red and green lights are lit on the phasewell sequence relay. If the red light is lit, it indicates the loss of phase or wrong
  • check the properly water flow
  • The test thermostat is set correctly.
  • check properly electrical for loose connections and wires.
  • check in properly supply fuse.
Reem Pool Heat Pump Troubleshooting

Pool Will Not Heat;

  • check properly that the air temperature is colder than the incoming air. check properly that the evaporator and inner pipe sweat. This is evidence of the removal of heat from the air, suggesting that the heater is working.
  • The inlet louvers, outlet grill, and condenser coil tested have satisfactory airflow and are not filled.
  • check properly that the thermostat is set correctly
  • check properly that the water pump is running
  • Water filter is on
  • check properly that the inlet valves are not closed
  • check properly the ambient air temperature suit design standards

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