Malfunction-Diagnosis Method At Maintenance Service - Mitsubishi Electric Mr.Slim PUHZ-P100VKA Service Manual

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.
<
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
OCH670
[Procedure]
1. Press the CHECK button twice.
Refrigerant
address
display
2. Press the temperature
Temperature buttons.
button
3. Point the remote controller at the
HOUR
sensor on the indoor unit and
button
press the HOUR 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
• Check that the remote controller's
• Select the refrigerant address of the
Note: Set refrigerant address using the
• If an air conditioner error occurs, the
• The check mode is cancelled.
31
"00" flashes.
display has stopped before continuing.
indoor unit for the self-diagnosis.
outdoor unit's DIP switch (SW1).
(For more information, see the
outdoor unit installation manual.)
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.)