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14.3 Remote Controller 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.
If any of the following errors occur, power the unit off and contact a professional technician immediately. Do not attempt troubleshooting yourself:
w
A safety device such as a fuse or circuit breaker frequently blows/trips.
An object or water enters the unit.
w
w
Water is leaking from the unit.
Symptom
The fan speed cannot beadjusted
The
remote
controller
transmitted even when the ON/OFF button
is pushed
The indication on the display disappears
after a certain time
The TIMER ON indicator goes off after a
certain time
No receiving soundfrom the indoor unit
whenthe ON/OFF button is pressed
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
signalis
not
premises has been cut-off).
The remote controller's batteries are
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.
Check whether the signal transmitter of the
remote controller is properly directed to the
infrared signal receiver of the indoor unit when
the ON/OFF button is pressed.
Possible causes
17
Troubleshooting steps
In automatic mode, the air conditioner
will automatically change the fan's
speed.
When dry mode is selected, theair
conditioner automatically adjusts the fan
speed. (The fan speed can beselected
during
"COOL",
"FAN
ONLY",and
"HEAT".)
Wait for the power to come back on.
Replace the batteries.
The air conditioner operation will stop up
to the set time.
Up to the set time, the air conditioner will
automatically startand the appropriate
indicator will gooff.
Directly transmit the signal transmitter of
the remote controller to the infrared
signal receiver of the indoor unit, and
then press the ON/OFF button twice.
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