Troubleshooting
- Medium Foundation - Error Code E0 - Power phase loss/reverse/undervoltage/overvoltage fault
- Medium Foundation - Error Code E1 - Condenser Coil Temperature Sensor Fault (T3-A)
- Medium Foundation - Error Code E2 - Condenser Coil Temperature Sensor Fault (T3-B)
- Medium Foundation - Error Code E3 - The electronic expansion valve inserted loosely for System A (EEVA)
- Medium Foundation - Error Code E4 - The electronic expansion valve inserted loosely for system B (EEVB)
- Medium Foundation - Error Code E5 - Evaporator coil temperature sensor fault for system A (T2-A)
- Medium Foundation - Error Code E6 - Evaporator coil temperature sensor fault for system B (T2-B)
- Medium Foundation - Error Code E7 - Discharge temperature sensor fault for system A (T5-A)
- Medium Foundation - Error Code E8 - Discharge temperature sensor fault for system B (T5-B)
- Medium Foundation - Error Code Eb - Thermostat output signal fault
- Medium Foundation - Error Code H7 - P4 or P6 or PE occur 3 times within 60 minute
- Medium Foundation - Error Code H8 - P5 or P7 or PF occur 3 times within 60 minutes
- Medium Foundation - Error Code H9 - Pb error occurs 6 times within 120 minutes
- Medium Foundation - Error code P1 - High Pressure Switch Reverse Protection
- Medium Foundation - Error Code P2 - Low-Pressure Switch Reverse Protection
- Medium Foundation - Error code P3 - Indoor Fan Overload Protection
- Medium Foundation - Error code P4/P5 - Low Pressure Switch protection for system A/B
- Medium Foundation - Error code P6/P7 - Discharge temperature protection for system A/B
- Medium Foundation - Error Code P8 - Discharge temperature sensor reverse protection
- Medium Foundation - Error Code PA - VFD Protection
- Medium Foundation - Error Code Pb - Outdoor DC motor module protection
- Medium Foundation - Error Code Pc/Pd - Evaporator freezing protection for system A/B
- Medium Foundation - Error Code PE/PF - High-pressure switch protection for system A/B
- Medium Foundation - Error Code Ph - Ambient Temperature Limited
- Medium Foundation - Error Code PH - Low discharge superheat protection
- Medium Foundation Parts Location