Air Conditioner Error Codes

  Rheem Pool Heat Pump Error Codes Alarm code Description E0 probe 1 error (control) E1 probe 2 error (defrost) E2 probe 3 error (cond) IA external alarm dOR open door alarm LO low temperature alarm HI high temperature alarm EE unit parameter error EF operating parameter error Ed defrost ended by timeout dF defrost running cht dirty condenser pre-alarm CHt dirty condenser alarm EtC clock alarm OFF  – The desired programmed temperature point is lower than 60°F (15°C). LP & LP3  – Shortage of refrigerant gas in the unit or faulty low pressure control. The unit will show (LP3) after 3 LP faults and shuts down the unit and pool pump for protection. If this occurs, you should call for service. HP & HP6  – Low water flow in the unit or faulty high pressure control. Check water flow/backwash. The unit will show (HP6) after 6 HP faults. This will stop the unit for protection. FLo & FL3  – Possible causes: • The filter is in...

  Descriptions of the ICC   diagnostic codes   are provided below: Rheem AC Error Codes and Troubleshooting Display Codes Diagnostic Description Possible Cause 0- Standby No command for unit operation Normal operation c - First Stage Cooling Unit has received a command for first stage cooling Normal operation c Flashing Anti-short cycle timer (3 minutes) or Minimum run timer (30 seconds) active The unit has received a command for first stage cooling during an active anti-short cycle timer or minimum run timer. Wait until unit timer has expired or press the TEST button to defeat short cycle delay. C - Second Stage Cooling Unit has received a command for second stage cooling Normal operation C Flashing Anti-short cycle timer (3 minutes) or Minimum run timer (30 seconds) active The unit has received a command for second stage cooling during an active anti-short cycle timer or minimum run timer. Wait unit timer has expired or press the TEST button to defeat short cycle delay....