Kaysun KAYF-22 DN3.0, Owner'S Manual

Page: 17 / 20

Owner’s manual
15
7.2 Troubles and causes of remote controller
Before asking for service or repairs, check the following points. (See in Table 7-2)
Table 7-2
Symptoms
Causes Solution
The fan speed cannot be
adjusted.
Check whether the MODE
indicated on the display is
"AUTO"
In automatic mode, the air conditioner
will automatically change the fan
speed.
Check whether the MODE
indicated on the display is
"DRY"
When dry operation is selected, the air
conditioner automatically adjusts the
fan speed. The fan speed can be
selected during "COOL", "FAN ONLY",
and "HEAT".
The remote controller signal
is not transmitted even when
the ON/OFF button is pushed.
Check whether the batteries
in the remote controller are
exhausted.
The power supply is off.
The TEMP. indicator does
not come on.
Check whether the MODE
indicated on the display is
FAN ONLY The temperature cannot be set during
FAN mode.
The indication on the display
disappears after a certain time.
Check whether the timer
operation has come to an
end when the TIMER OFF
is indicated on the display. The air conditioner operation will
stop up to the set time.
The TIMER ON indicator goes
off after a certain time.
Check whether the timer
operation is started when
the
TIMER ON is indicated
on the display.
Up to the set time, the air conditioner
will automatically start and the
appropriate indicator will go off.
No receiving tone sounds
from the indoor unit when
the ON/OFF button is pressed.
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.
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.
7.3 Fault information and codes
Fault information is only available for indoor units with a panel, and only the panel with digit displays shows the
fault code, otherwise just four LED lamps. The LED and digit display the following faults.