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Troubleshooting
Phenomenon
The unit can not run.
Cooling(Heating) efficiency is not good
Wireless remote control is not available.
If water leakage in the room.
Noise from indoor unit emitted.
Moisture on air outlet vent.
Breaking off
Troubleshooting
● Has the power been shut down?
● Is power plug loosed?
● Is the circuit protection device tripped off or not?
● Is voltage higher or lower?
(Tested by professionals)
● Is the TIMER correctly used?
● Is Temp. setting suitable?
● Were inlet and outlet vents obstructed?
● Is filter dirty
● Are the windows and doors clothed?
● Did Fan speed set at low speed?
● Is there any heat sources in the room?
● The unit is interfered by abnormal or frequent
functions switchover occasionally the controller
cannot operate. At this time, you need to pull out of
the plug, and reinsert it.
● Is it in its receiving range? Or obstructed?
To check the voltage in wireless remote control inside
is charged, otherwise to replace the batteries.
● Whether the wireless remote control is damaged.
● The air humidity is on the high side.
● Condensing water over flowed
● The connection position of indoor unit drainage
pipe is loosed.
● The sound of fan or compressor relay is switching
on or off.
● When the defrosting is started or stop running, it
will sound. That is due to the refrigerant flowed t
the reverse direction.
● If unit is running under the high humidity for
a long time, the moisture will be condensed
on the air outlet grill and drip off.
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