32 Installation Manual 2014 - Riv 2
P01 High Voltage Protection 1 - Check Power Supply
2 - Check the incoming power cable
3 - Check outdoor PCB
P02 Low Voltage Protection 1 Check Power Supply
2 - Check the incoming power cable
3 - Check outdoor PCB
P03 Inverter Module Protection 1 - Check Inverter Compressor
2 - Check Incoming Cable
P04 High Pressure Protection 1 - Check high pressure switch
2 - This may be due to a blockage in the water pipes
3 - Over charged with refrigerant
4 - Non condensable gas ie nitrogen in the system
5 - High ‘on coil’ water temperature on the indoor unit
6 - Check expansion valve
7 - Water pump failure
P06 Inverter Compressor Frequency Wrong 1 - check inverter compressor
2 - Check inverter module
P07 Inverter Compressor High Discharge
Temperature Protection
1 - Check refrigerant no leaks insufficient refrigerant
2 - Partial blockage in the pipework
3 - Compressor continually stop - start
4 - Poor airflow through outdoor coil
5 - Check TP1 discharge temperature sensor
6 - Outdoor PCB
P08 Fixed Speed Compressor High Exhaust
Temperature Protection
1 - Check refrigerant no leaks insufficient refrigerant
2 - Partial blockage in the pipework
3 - Compressor continually stop - start
4 - Poor airflow through outdoor coil
5 - Check TP1 discharge temperature sensor
6 - Outdoor PCB
P09 Inverter compressor current protection 1 - Check inverter compressor windings
Fault / Error Codes Continued
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