Mitsubishi Electric Mr. Slim PLA Series Service Manual page 19

9-2. MALFUNCTION-DIAGNOSIS METHOD BY REMOTE CONTROLLER
<In case of trouble during operation>
<
Malfunction-diagnosis method at maintenance service>
CHECK
CHECK
display
TEMP
ON/OFF
ON/OFF
button
AUTO STOP
FAN
MODE AUTO START
VANE
CHECK LOUVER
CHECK
TEST RUN min
button
SET RESET CLOCK
OCH581
[Procedure]
Refrigerant
address
display
Temperature
button
HOUR
button
h