Malfunction-Diagnosis Method At Maintenance Service - Mitsubishi Electric SUZ-KA24NAHZ Service Manual

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15-7-2. PAR-SL97A-E
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
15-7-3. PAR-SL100A-E
B
3
5
OCH754A
Refrigerant
[Procedure]
address
display
1. Press the CHECK button twice.
• "CHECK" lights, and refrigerant address "00" blinks.
• Check that the remote controller's display has stopped before
continuing.
Temperature
button
2. Press the TEMP
• 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
HOUR
the HOUR button.
button
h
• If an air conditioner error occurs, the indoor unit's sensor emits an
intermittent buzzer sound, the operation light blinks, and the check
min
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.
1. Press the
A
to disable it (
2. Press the
3. Press the
of the indoor
4. Press the
f
1
INDICATOR lamp.
5. Press the
check is completed.
2
4
buttons.
button 1 to stop the air conditioner.
is off).
button 2 for 5 seconds.
A
button 5 to select the refrigerant address (M-NET address) B
button 4.
indoor unit and the number of blinks of the OPERATION
button 1.
A and the refrigerant address (M-NET address) B
118
is on), press the
button 3

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