GREE DC INVERTER HEAT PUMP CONDENSING UNIT
53
3.5 Failures Not Caused by Errors
(1) If your air conditioner fails to function normally, please first check the following items before maintenance:
The air conditioner can't
run.
If you turn off the unit and then immediately turn it
on, in order to protect the compressor and avoid
system overload, compressor will delay running
for 3min.
Wire connection is wrong.
Connect wires according to the wiring diagram.
Fuse or circuit breaker is broken.
Replace the fuse or switch on the circuit breaker.
Restart after power is resumed.
Re-insert the power plug.
Thermostat has low battery.
Bad cooling or heating
effect.
Air inlet and outlet of the units have been blocked.
Clear the obstacles and keep the room for the units
well ventilated.
Improper temperature setting
Reset a proper temperature.
Reset a proper fan speed.
Air flow direction is not right.
Change the direction of air louvers.
Doors or windows are open.
Exposed under direct sunshine.
Put on curtains or louvers in front of the windows.
Too many heat sources in the room.
Remove unnecessary heat sources.
Filter is blocked or dirty.
Send for a professional to clean the filter.
Air inlets or outlets of the units are blocked.
Clear away obstacles that are blocking the air inlets
and outlets of the units.
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