Mitsubishi Electric Mr. Slim PLA Series, Service Manual

Page: 23 / 50

TCH070A
23 22
[Procedure]
1. Press the CHECK button twice.
• "CHECK" lights, and refrigerant address "00" blinks.
• Check that the remote controller's display has stopped before continuing.
2. Press the TEMP buttons.
• 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.)
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 inter-
mittent buzzer sound, the operation lamp blinks, and the check code is
output. (It takes 3 seconds at most for check code to appear.)
4. Point the remote controller at the sensor on the indoor unit and press the
ON/OFF button.
• The check mode is cancelled.
ON/OFF TEMP
FAN
VANE MODE
CHECK LOUVER
TEST RUN
AUTO STOP
AUTO START
h
min
RESET SET CLOCK
CHECK
CHECK
display
Temperature
button
CHECK
button
Refrigerant
address
display
HOUR
button
ON/OFF
button
<
Malfunction-diagnosis method at maintenance service>
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.
■IR wireless remote controller PAR-FL32MA
Continue to the next page
5
B
1
A
4
2
3
[Procedure]
1. Press the button
1
to stop the air conditioner.
• If the weekly timer is enabled ( is on), press the button
3
to disable it ( is off).
2. Press the button
2
for 5 seconds.
•
A
comes on and the unit enters the self-check mode.
3. Press the button
5
to select the refrigerant address (M-NET address)
B
of the indoor unit for
which you want to perform the self-check.
4. Press the button
4
.
• If an error is detected, the check code is indicated by the number of beeps from the indoor unit
and the number of blinks of the OPERATION INDICATOR lamp.
5. Press the button
1
.
•
A
and the refrigerant address (M-NET address)
B
go off and the self-check is completed.
■IR wireless remote controller PAR-SL100A-E
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