Troubleshooting
Phenomenon
Troubleshooting
Is the power cut off?
The unit can not be started up :
Is the power plug loose? (If applicable)
Is the circuit protection device tripped off?
Is voltage higher or lower?
(Tested by professionals)
Breaking off
Is the TIMER correctly used?
Is temperature setting appropriate?
Cooling/Heating effect is poor :
Is the
inlet or outlet blocked?
Is the filter dirty?
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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?
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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.
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Remote controller is not available :
Is the remote controller within its operating range
or obstructed? Check the condition of the batte
-
ries and replace them if necessary.
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Check if the remote controller is damaged.
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The humidity is high.
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Water leakage of indoor unit :
Condensate overflows.
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Drain hose is loose.
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During cooling operation, condensate is generated
around the pipes and connection j
oints.
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Water leakage of outdoor unit :
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During heating operation, the water on the heat
exchanger drips out.
Noise from indoor unit :
The noise emitted when the fan or compressor
relay is switching on or off.
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When the defrosting operation is started or sto
-
pped, there is a sound of refrigerant flowing in the
reverse direction.
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During defrosting operation, the thaw water
flows out.
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