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Flex Series for North America
8 Malfunction Analysis
Warning!
Repairing work should be done by Impecca technicians. For saving your time and spending,
please check the following malfunction analysis before contacting customer service center.
Malfunction Phenomena
After turning off the air
conditioner, the unit could not
restart immediately.
Odor gives out when the unit
just turns on.
Slight noise is heard when the
unit is running.
There is mist coming from air
outlet under cooling mode.
Creak sound is heard when the
unit is running or shut down.
The air conditioner could not
run.
The cooling (heating) effect of
the air conditioner is not good.
Wireless remote controller
doesn't work.
8.1 Service Center
When the following phenomena appears, please stop operating immediately, cut off the power
supply and contact service center for help.
＊ Harsh sound is heard when the unit is running.
＊ When the fuse melts or the circuit breaker trips off frequently.
＊ When some objects or water is sucked in the unit accidently.
Malfunction Analysis
The overload protection switch of the unit needs 3 mins before
restarting.
When air conditioning, odor or smoke that was sucked in is
discharged again.
The refrigerant flows in the liquid pipe will make some noise.
Indoor temperature declines too fast.
When the ambient temperature changes, the panel and other
parts expand or shrink, which might cause some grating sound.
Whether the unit is powered off.
Whether the unit is disconnected with power supply.
Whether the circuit breaker trips off.
Whether the voltage is too high or too low.
Whether the TIMER has been set in the wireless remote
controller.
Notice: All the operations above should be done by
Impecca technicians.
Wether the temperature is set properly.
Whether the inlet or outlet of the unit is blocked.
Whether the air filter is too dirty to cause blockage.
Whether the windows and doors are closed.
Whether the airflow volume is set at low speed.
Whether there is any heat source in the room.
If the wireless remote controller doesn't work with new
batteraries, remove the back cover and press "ACL" button to
make it normal.
The air conditioner is under abnormal disturbance orchanging
function too frequently, to make wireless remote controller cannot
control. Cut off main power supply and re-electrify could resume
normal operation.
Whether the controller is within the signal receiving area;
Whether there is blockage;
Check if the batteries in wireless remote controller are worn out,
otherwise change the batteries.
15
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