Mitsubishi Electric Mr. SLIM SLZ-M15FA2.TH Technical & Service Manual page 56

13-8-2. 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
ON/OFF TEMP
ON/OFF
button
FAN AUTO STOP
AUTO START
MODE VANE
CHECK LOUVER
CHECK min
TEST RUN
button
SET RESET CLOCK
13-8-3. PAR-SL101A-E
B
3
5
TCH067A
[Procedure]
Refrigerant
address
1. Press the CHECK button twice.
display
• ˝CHECK˝ lights, and refrigerant address ˝00˝ blinks.
• Check that the remote controller's display has stopped before
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.)
HOUR 3. Point the remote controller at the sensor on the indoor unit and press
button
the HOUR button.
h
• If an air conditioner error occurs, the indoor unit's sensor emits an
4. Point the remote controller at the sensor on the indoor unit and press
the ON/OFF button.
• The check mode is cancelled.
[Procedure]
A
1
2
4
continuing.
buttons.
intermittent buzzer sound, the operation light blinks, and the check
code is output.
(It takes 3 seconds at most for check code to appear.)
1. Press the button 1 to stop the air conditioner.
is off).
to disable it (
2. Press the button 2 for 5 seconds.
A
3. Press the button 5 to select the refrigerant address (M-NET address) B
of the indoor
4. Press the button 4.
f
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
check is completed.
56
is on), press the button 3