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Troubleshooting
Phenomenon
Troubleshooting
The unit can not be started up: Is the
power cut
off?
Is the power plug loose?
(
I
f ap
plicable)
Is the circuit protection device tripped off?
Is voltage higher or lower?
(Tested by professionals)
Is the TIMER correctly used?
Cooling/Heating effect is poor: Is temperature setting appropriate?
Is
Is
filter dirty?
Is low fan
speed set?
Remote controller is not available:
The humidity is high.
Condens
ate
Drain hose is loose.
Noise from indoor unit.
The noise emitted when the fan or compressor
relay is switching on or off.
Breaking off
inlet
or
outlet blocked?
Are there heat sources in the room?
the
the
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.
Water leakage of indoor unit :
Water leakage of outdoor unit :
overflows.
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.
When the defrosting operation is started or stopped,
there is a sound of refrigerant flowing in the
reverse direction.
Is the window or the door open?
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