If any of the following errors occur, power the unit off and contact a professional technician immediately. Do not attempt troubleshooting yourself:
A safety device such as a fuse or circuit breaker frequently blows/trips.
An object or water enters the unit.
Water is leaking from the unit.
Symptom
Possible causes
Troubleshooting steps
Wait for the power to come back on.
Replace the batteries.
The indication on the display disappears
after a certain time
The TIMER ON indicator goes off after a
certain time
Check whether the MODE indicated on the
display is "AUTO".
Check whether the MODE indicated on the
display is "DRY".
A power cut has occurred (the power to the
premises has been cut-off).
Check whether the timer operation has come to
an end when TIMER OFF is indicated on the
display.
Check whether the timer operation has come to
an end when TIMER ON is indicated on the
display.
In automatic mode, the air conditioner
will automatically change the fan’s
speed.
The air conditioner operation will stop up
to the set time.
20
14.3 Remote Control Troubleshooting
Warning:
Certain
troubleshooting
steps
that
a
professional
technician
may
perform
when
investigating
an
error
are
described
in
this
owner's
manual
for
reference only. Do not attempt to undertake these steps yourself – arrange for a professional technician to investigate the problem.
The fan
speed
cannot be adjusted
When
dry
mode
is
selected,
the
air conditioner
automatically
adjusts
the
fan speed.
(The
fan
speed
can
be selected during "COOL",
"FAN ONLY", and "HEAT".)
The
remote
control
batteries
are dead.
Up
to
the
set
time,
the
air
conditioner
will automatically
start and
the
appropriate indicator
will
go off.
No
receiving
sound from
the
indoor
unit when the
ON/OFF
button
is
pressed
Check
whether
the
signal
transmitter
of
the
remote
control
is
properly
directed
to
the
infrared
signal
receiver
of
the
indoor
unit
when
the
ON/OFF
button
is
pressed.
Directly
transmit
the
signal
transmitter
of
the
remote
control
to
the
infrared
signal
receiver
of
the
indoor
unit,
and
then
press
the
ON/OFF
button
twice.
The
remote
control
signal is
not
transmitted
even
when
the
ON/OFF
button
is
pressed
