Troubleshooting
13
Phenomenon
Troubleshooting
The unit can not run.
Breaking off
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Has the power been shut down?
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Is power plug loosed?
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Is the circuit protection device tripped off or not?
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Is voltage higher or lower?
(Tested by professionals)
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Is the TIMER correctly used?
Cooling(Heating) efficiency is not good.
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Is Temp. setting suitable?
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Were inlet and outlet vents obstructed?
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Is filter dirty?
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Are the windows and doors clothed?
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Did Fan speed set at low speed?
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Is there any heat sources in the room?
Wireless remote control is not available.
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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.
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Is it in its receiving range? Or obstructed?
To check the voltage in wireless remote control inside
is charged, otherwise to replace the batteries.
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Whether the wireless remote control is damaged.
If water leakage in the room.
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The air humidity is on the high side.
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Condensing water over flowed.
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The connection position of indoor unit drainage
pipe is loosed.
If water leakage in outdoor unit.
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When the unit is running in COOL mode, the pipe
and connection of pipe would be condensed due
to the water cooled down.
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When the unit is running in Auto Defrosting mode
the ice thawed and flowed out.
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When the unit is running in HEAT mode, the water
adhered on heat exchanger dripped off.
Noise from indoor unit emitted.
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The sound of fan or compressor relay is switching
on or off.
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When the defrosting is started or stop running,
it will sound. That is due to the refrigerant flowed
to the reverse direction.
