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Troubleshooting
Phenomenon
The unit can not be started up :
Breaking off
Cooling/Heating effect is poor :
Remote controller is not available :
Water leakage of indoor unit :
Water leakage of outdoor unit :
Noise from indoor unit :
Troubleshooting
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Is the power cut off?
Is the power plug loose? (If applicable )
●
●
Is the circuit protection device tripped off?
Is voltage higher or lower?
●
(Tested by professionals)
Is the TIMER correctly used?
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Is temperature setting appropriate?
●
s I
●
the
inlet or outlet blocked?
filter dirty?
●
Is
the
Is the window or the door open?
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Is low fan speed set?
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Are there heat sources in the room?
●
Check if there is magnetic or electrical interference
●
near the unit that may affecting operation of
the controller. In this case, pull the plug out and
reinsert it.
●
Is the remote controller within its operating range
or obstructed? Check the condition of the
batteries and replace them if necessary.
Check if the remote controller is damaged.
●
The humidity is high.
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Condensate overflows.
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Drain hose is loose.
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During cooling operation, condensate is
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generated around the pipes and connection
●
During defrosting operation, the thaw water flows
out.
●
During heating operation, the water on the heat
exchanger drips out.
The noise emitted when the fan or compressor
●
relay is switching on or off.
When the defrosting operation is started or stopped,
●
there is a sound of refrigerant flowing in the
reverse direction.
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joints.