37
OCH708
<
Malfunction-diagnosis method at maintenance service>
9-3-6. Self-diagnosis <Wireless remote controller
>
<In case of trouble during operation>
When a malfunction occurs to air conditioner, both indoor unit and outdoor unit will stop and operation lamp blinks to inform
unusual stop.
ON/OFF
TEMP
FAN
VANE
MODE
CHECK LOUVER
TEST RUN
AUTO STOP
AUTO START
h
min
RESET
SET
CLOCK
CHECK
CHECK
display
Temperature
button
CHECK
button
Refrigerant
address
display
HOUR
button
ON/OFF
button
[Procedure]
1. Press the CHECK button twice.
• "CHECK" lights, and refrigerant address "00" blinks.
• Check that the remote controller's display has stopped before
continuing.
2. Press the TEMP buttons.
• Select the refrigerant address of the indoor unit for the self-diagnosis.
Note: Set refrigerant address using the outdoor unit’s DIP switch (SW1).
(For more information, see the outdoor unit installation manual.)
3. Point the remote controller at the sensor on the indoor unit and press
the HOUR button.
• If an air conditioner error occurs, the indoor unit's sensor emits an
intermittent buzzer sound, the operation light blinks, and the check
code is output.
(It takes 3 seconds at most for check code to appear.)
4. Point the remote controller at the sensor on the indoor unit and press
the ON/OFF button.
• The check mode is cancelled.
