Mitsubishi Electric Mr.Slim PLA-RP35BA Service Manual page 24

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>
CHECK
CHECK
display
TEMP
ON/OFF
ON/OFF
button
AUTO STOP
FAN
MODE
VANE
CHECK LOUVER
CHECK
TEST RUN
button
SET RESET CLOCK
OCH412F
[Procedure]
1. Press the CHECK button twice.
Refrigerant
address
display
2. Press the temperature
Temperature
buttons.
button
3. Point the remote controller at the
AUTO START
HOUR
sensor on the indoor unit and
button
h
press the HOUR button.
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 dis-
play has stopped before continuing.
• Select the refrigerant address of the
indoor unit for the self-diagnosis.
Note: Set refrigerant address using the
• If an air conditioner error occurs, the
indoor unit's sensor emits an intermit-
tent 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.
24
outdoor unit's DIP switch (SW1).
(For more information, see the
outdoor unit installation manual.)