Troubleshooting
Phenomenon
The unit can not be started up :
Cooling/Heating effect is poor :
Remote controller is not available :
Water leakage of indoor unit :
Water leakage of outdoor unit :
Noise from indoor unit :
Breaking off
Troubleshooting
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Is the power cut off?
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Is the power plug loose? (If applicable)
Is the circuit protection device tripped off?
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Is voltage higher or lower?
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(Tested by professionals)
Is the TIMER correctly used?
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Is temperature setting appropriate?
●
●
Is the
inlet or outlet blocked?
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Is the filter dirty?
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Is the window or the door open?
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.
●
Is the remote controller within its operating range
or obstructed? Check the condition of the batte-
ries and replace them if necessary.
●
Check if the remote controller is damaged.
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The humidity is high.
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Condensate overflows.
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Drain hose is loose.
During cooling operation, condensate is generated
●
around the pipes and connection
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During defrosting operation, the thaw water
flows out.
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During heating operation, the water on the heat
exchanger drips out.
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The noise emitted when the fan or compressor
relay is switching on or off.
●
When the defrosting operation is started or sto-
pped, there is a sound of refrigerant flowing in the
reverse direction.
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16
joints.