Troubleshooting - Kelvinator KSV25HRD User Manual

Troubleshooting

The air conditioner is not user serviceable. Incorrect repair may
cause electric shock or fire, so please contact an authorised service
center for professional repair.
The following checks prior to contact may save you time
and money.
Problem
Cause
The unit The unit does not operate if it is turned on
immediately after it is turned off. This is to protect
does not
operate the unit. You should wait about 3 minutes.
• Some odours may be emitted from the
indoor unit. This is the result of room smells
(such as furniture,tobacco,etc.) which have
Odours are
been taken into the air conditioner.
emitted
• Consult authorised service centre for
cleaning if the odours persist.
The swishing noise like water flowing is the
"Water
refrigerant flowing inside the unit.
flowing"
noise
During cooling operation, a thin mist may be
seen emitted from the indoor unit due to high
Mist is
room temperature and humidity.
emitted in
After a period of time, the mist will disappear
COOL mode
as the decrease of room temperature and
humidity decreases.
This is the sound of friction caused
Cracking
by expansion and/or contraction of panel or
noise
other parts due to the change of temperature.
• Is the power cut off?
• Is the power plug loose? (if applicable )
The unit
• Is the circuit protection device tripped off?
can not be
started up
• Is voltage higher or lower? (Tested by
professionals)
• Is the TIMER correctly used?
• Is temperature setting appropriate?
• Is the inlet or outlet blocked?
Cooling/
• Is the filter dirty?
Heating
• Is the window or the door open?
effect is poor
• 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 remote control. In this case,
Remote
pull the plug out and reinsert it.
control does
not transmit • Is the remote control within its operating
signals range or obstructed? Check the condition of
the batteries and replace them if necessary.
• Check if the remote control is damaged.
• The humidity is high.
Water
leakage of • Condensing water overflows.
indoor unit
• Drain hose is loose or obstructed.
Problem
Cause
Water leakage of • During cooling operation, water
condensates around the pipes and
outdoor unit
connection joints.
• During defrosting operation, thawed
water flows out.
• During heating operation, water on the
heat exchanger drips out.
• The noise emitted when the fan or
compressor relay is switched on or off.
Noise from
• When the defrosting operation
indoor unit
is started or stopped, there is a
sound of refrigerant flowing in the
reverse direction.
• In HEAT mode, when the temperature
of indoor heat exchanger is very low,
air flow is stopped until the heat
excharger warms up (approx 2 minutes).
• In HEAT mode, when the outdoor
temperature is low or humidity is high,
frost will be formed on the outdoor
heat exchanger. The unit will defrost
Indoor unit does
automatically and indoor unit will stop
not blow air
blowing air for 3-12 minutes.
• During defrosting operation, water or
vapour may be emitted.
• In DRY mode, the indoor fan may stop
blowing air for 3-12 minutes in order
to avoid condensing water being
vaporised again.
• If the unit operates at high humidity for
Moisture on air
a long time, moisture will be generated
outlet
on the air outlet grill and then drip off.
It is normal. The unit is in defrosting
H1: Defrosting mode and heating will recommence
soon.
Your air conditioner has lost refrigerant.
E3: Low pressure
Contact your installer to check for
warning
potential leaks.
If any one of the following situations occurs, immediately stop
all operations, disconnect the power supply, and contact the
authorised personnel.
• There is a harsh sound during operation.
• Strong odours are emitted during operation.
• Water is leaking from the indoor unit.
• The circuit breaker often trips.
• Water or other liquid is splashed into the unit.
• Power cord and power plug is overheating.
13
Troubleshooting