Troubleshooting
Symptom
Cause
Operation is delayed after restart
To prevent blowout of the fuse, the compressor will not operate while the protection
circuit is working for about 3 minutes after sudden OFF/ON operation of the power
supply, this is normal operation and designed to protect the compressor.
Fan speed changes from off, to very slow and
then normal
Automatically happens in heating mode :
•
prevents cold air blowing onto occupants when the heating operation is start,
•
perform automatic defrosting operation,
•
perform low temperature heating operation
Heating operation stops suddenly and
defrost-light blinks
In HEAT mode, the indoor unit temporarily stops for maximum of 10 minutes to perform
the automatic defrosting operation.
Mist coming out of the indoor unit
In COOL mode, a mist generated by condensation formed with sudden cooling process
may be emitted.
Mist may generate due to moisture generated from defrosting process when the air
conditioner restarts in HEAT mode operation after defrosting
Low volume sounds are emitted by the air
conditioner
Hissing sound-- during operation or immediately after stopping the air conditioner,
refrigerant flowing sound may be head.
Squeaking sound-- normal expansion and contraction of plastic and metal parts caused
by temperature change during the operation.
Rushing air-- when louver resets its position.
Dust discharges from the unit
May occur when air conditioner is used for the first time or has not been used for a long
time.
Emits a peculiar odour
Various smells generated from interior textile, furniture, or cigarette smoke absorbed
into the air conditioner may be emitted. If not the case call an authorised service
contractor.
Changes to fan only while cooling or heating
mode
Room temperature reaches the temperature setting of the remote control. If not the
case call your suitable contractor.
Operation is erratic, unpredictable or
unresponsive
Interference from cell phone towers and remote boosters may cause the unit to
malfunction
Disconnect the power and then re-connect.
Press the ON/OFF button on the remote controller to restart operation.
NOTE: If the problem is not resolved, please contact a local dealer
or the nearest customer service center. Be sure to inform them of
the detailed malfunctions and unit model number.
Troubleshooting tips
The following events may occur during normal operation, and may
not indicate malfunction
19
Troubleshooting
Error code D1, D2 or D3 appears.
This is normal operation of the DRED function initiated by your power provider to
minimise demand on the power grid. Please contact your power provider for more
details, This relates to the following models only: KSD25HRH, KSD35HRH,
KSD50HRH, KSD71HRH, KSD90HRH, KSD25HWH, KSD35HWH, KSD50HWH,
KSD71HWH & KSD90HWH.
