Controller - Mitsubishi Electric Mr.SLIM PCA-RP50KAQ Service Manual

10-2. 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
TEMP
ON/OFF
ON/OFF
button
FAN AUTO STOP
AUTO START
MODE VANE
CHECK LOUVER
CHECK min
TEST RUN
button
SET RESET CLOCK
OCH491C
[Procedure]
1. Press the CHECK button twice.
Refrigerant
address
display
2. Press the temperature
Temperature
buttons.
button
3. Point the remote controller at
HOUR
the sensor on the indoor unit
button
h
and press the HOUR button.
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
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 error code is output.
(It takes 3 seconds at most for error
code to appear.)
• The check mode is cancelled.
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