2
nd
Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual
5 Malfunctions and Resolutions
Malfunction Cause Resolutions
Outlet water
is cold.
The display
is dark.
Bad connection of power supply
plug and socket;
Outlet water is set an a low
temperature;
Outlet water temperature
controller is damaged;
Circuit board of indicating
indicator is damaged;
Reconnect the plug;
Set outlet water an a
higher temperature;
Contact the technician.
No hot
water from
the outlet.
Tap water has been cut away;
Water pressure is too low;
Inlet valve has been closed.
It’ll return to normal
after water supplied;
Use it when the
pressure is higher;
Open the inlet water
valve.
Water
leakage
The joints on the pipeline are not
sealed well.
Check and reseal all
the joints.
If the unit occurs any malfunction or error, please shut down the system, turn off the power supply, and
consult your service persons for help.
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