49
[for wireless remote controller]
Check the following table to see whether there is a simple solution to your problem.
NOTE: After a power cut, the unit will not restart automatically. You will have to restart it by pressing the POWER - ON/OFF button
on the remote controller.
If none of the above apply, turn the main switch off and contact the dealer from whom you bought the air-conditioner, telling him the model
name and the nature of the problem. Do not try to fix the unit yourself.
In any of the following cases, turn off the main power switch and contact your local dealer for service:
• The operation lamp (on the main unit) flashes.
• The switches do not work properly.
• The circuit breaker trips frequently (or the fuse blows frequently).
• Water has accidentally been splashed into the unit.
• Water leaks from the unit.
• Something is accidentally dropped into the air-conditioner.
• An unusual noise is heard during operation.
Problem
Display reading
Cause
Solution
Unit does not operate at all.
When POWER ON/OFF button
is pushed, there is not beep and
nothing is displayed.
Main power switch is turned off.
Turn main power on. Then press
the POWER ON/OFF button to
turn the unit on.
Main power fuse has blown.
Replace the fuse.
Outdoor unit`s ground fault breaker
is open.
Replace the ground fault breaker.
A power cut has occurred (see
NOTE below).
Wait until power is restored, then
press the POWER ON/OFF button
to turn the unit on.
Unit discharges air well, but
fails to cool or heat the room
well.
Liquid-crystal display indicates that
the unit operates.
Improper temperature setting.
After checking the temperature
setting.
Filters are clogged.
Clean the filter and resume opera-
tion.
Outdoor unit`s intake or outlet is
obstructed.
Remove the obstruction.
A door or window has been open.
Shut door or window.
Unit does not start immedi-
ately.
Liquid-crystal display indicates that
the unit operates.
Unit is waiting 3 minutes before
restarting.
Shut door or window.
Wait until the unit restarts auto-
matically. The compressor may
hesitate resuming because a
3-minute resume prevention circuit
is incorporated in the outdoor unit
for protection of the compressor.
The following do not indicate any malfunction:
· Odours
: Smells such as tobacco or cosmetic odours may persist after they have been sucked into the
unit.
· Sound of liquid flowing inside indoor unit
: This can occur during or after operation and is simply the sound of refrigerant being circulated
inside the unit.
· Ticking sound coming from indoor unit
: This can occur when cooling or heating has just begun or has just stopped. It is caused by the
indoor unit shrinking or expanding slightly due to the change in temperature.
· The CENTRALLY CONTROLLED
indicator appearing on the LCD panel
: From time to time, this message may come up on the LCD panel.
This does not indicate any malfunction.
OC379F
