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:
● 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?
● Is temperature setting appropriate?
● Is the inlet or outlet blocked?
● Is the filter dirty?
● Is the window or the door open?
● Is low fan speed set?
● 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.
● Condensate overflows.
● Drain hose is loose.
● During cooling operation, condensate is
generated around the pipes and connection joints.
● 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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Troubleshooting