Manual Heat Pump Model HHPM-V.2- SEP 2012
24
4.5 Alarm Status Page
Press
at homepage to see alarm list.
-
If there is no fault.
Press
to reset alarm.
Another Display
Status
Fault Code
Possible Caused
Remedy
Unit not
running
Power Protection
-Loss phase of electric power
-Wrong Sequence Phase
-Check and reconnect power
cable
-Reconnect 2 power cable
Water Pump Overload
-Bearing failed
- Replace bearing or pump
-Pump lock
Fan Overload
-Bearing failed
- Replace bearing or motor
High Discharge Temp
-Too low refrigerant
-Fill refrigerant
-Too much superheat
-Adjust expansion valve
Comp High Pressure
-Loss of water
-Check flow, valve opening
-Pump fail
Control valve.
-Replace pump.
-Check pump electrical cable.
-Faulty high pressure sensor.
-Replace high pressure sensor.
-Filter/Dryer is blocked
-Replace Filter/Dryer
Comp Low Pressure
-Faulty low pressure sensor.
-Replace low pressure sensor.
-Duct is blocked
-Remove blockage
No Fault
