Tekno Point DKV Series, Installation Manual

Page: 39 / 48

Troubleshooting
Break off
Phenomenon
Troubleshooting
Wireless Remote control is not
available.
Creaking noise can be heard when
start or stop the unit.
This is caused by the deformation of
plastic due to the change of tempera-
ture.
Air conditioner does not operateat all.
- Has the power been shut down?
- Is the wiring loose?
- Is the leakage protection switch in
operation?
- Is voltage higher or lower?
- Is TIMER ON in operation?
- Is SET TEMP. suitable?
- Is air inlet or outlet obstructed?
- Are air filters dirty?
- Are the windows and door closed?
- Is indoor fan speed set at low speed?
- Is there any other heat source in your
room?
- Remote control can't be used occasionally
when the air conditioner is disturbed or
changing its functions frequently. At that
time, pull out the power plug and insert it
again to recover the operation.
- Is the remote control out of effective
disance to the indoor unit?
- Are there
any obstruction between the
remote control and the signal receptor?
Replace the worn batteries of remote
control if the voltage of the batteries is
not sufficient.
Cooling (Heating) efficiency is not goo
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