Mitsubishi Electric PCA-M100KA/PUHZ-ZRP100YKA Service Manual page 32

9-2. MALFUNCTION-DIAGNOSIS METHOD BY 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>
■ Wireless remote controller (Option)
CHECK
CHECK
display
ON/OFF TEMP
ON/OFF
button
FAN AUTO STOP
MODE AUTO START
VANE
CHECK LOUVER
CHECK
TEST RUN
button
RESET
SET CLOCK
OCH659
[Procedure]
1. Press the CHECK button twice.
Refrigerant
address
display
2. Press the TEMP
Temperature
button
3. Point the remote controller at
the sensor on the indoor unit
HOUR
and press the HOUR button.
button
h
min
4. Point the remote controller at
the sensor on the indoor unit
and press the ON/OFF button.
• "CHECK" lights, and refrigerant address
"00" flashes.
• Check that the remote controller's
display has stopped before continuing.
• Select the refrigerant address of the
buttons.
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.)
• If an air conditioner error occurs, the
indoor unit's sensor emits an intermittent
buzzer sound, the operation light flashes,
and the check code is output.
(It takes 3 seconds at most for check
code to appear.)
• The check mode is cancelled.
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