Mitsubishi Electric SUZ-KA09NA2 Service Manual page 16

10-3-2. 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.
<
Malfunction-diagnosis method at maintenance service>
CHECK
CHECK
display
TEMP
ON/OFF
ON/OFF
button
AUTO STOP
FAN
AUTO START
MODE VANE
CHECK LOUVER
CHECK
TEST RUN
button
SET RESET CLOCK
OCH699A
[Procedure]
1. Press the CHECK button twice.
Refrigerant • "CHECK" lights, and refrigerant address "00" blinks.
address
• Check that the remote controller's display has stopped before continuing.
display
2. Press the temperature
• Select the refrigerant address of the indoor unit for the self-diagnosis.
Temperature Note: Set refrigerant address using the outdoor unit's DIP switch (SW1).
button
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
HOUR output.
button
(It takes 3 seconds at most for check code to appear.)
h
min
4. Point the remote controller at the sensor on the indoor unit and press the
ON/OFF button.
• The check mode is cancelled.
buttons.
(For more information, see the outdoor unit installation manual.)
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