Mitsubishi Electric PKA-RP1.6GAL Service Technical Manual page 94

(2) Digital 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 h
CHECK TEST RUN min
button
SET RESET CLOCK
[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.
4. Point the remote controller at the
sensor on the indoor unit and
press the ON/OFF button.
Malfunction diagnosis can be performed only for refrigerant system control-
ling wireless units.
Inspected unit Error code
• "CHECK" lights, and refrigerant
address "00" flashes.
• Check that the remote controller's
display has stopped before continuing.
• Select the refrigerant address of the
indoor unit for the self-diagnosis.
Note: Set refrigerant address using the
• If an air conditioner error occurs, the
indoor unit's sensor emits an intermit-
tent buzzer sound, the operation light
flashes, and the error code is
output.
(It takes 3 seconds at most for error
code to appear.)
• The check mode is canceled.
Beep output Operation LED
beep O 1 time 1 sec. O 1 time
P1
beep O 2 times
P2 1 sec.O 2 times
beep O 4 times
P4 1 sec.O 4 times
beep O 5 times
P5 1 sec.O 5 times
beep O 6 times
P6 1 sec.O 6 times
beep O 8 times
P8 1 sec.O 8 times
beep O 2 times
P9 1 sec.O 2 times
E4, E5 Other than above Other than above
94
outdoor unit's DIP switch (SW1).
(For more information, see the
outdoor unit installation manual.)
Inspected unit Check code Beep output
F1–F9
beep beep O 1 time
U0–UP
E6–EE Other than above
No check code
No output
(normal)
No check code
(mistake of match-
beep beep beep
ing with refrigerant
address)
Operation LED
(0.4sec+0.4sec)
O 1 time
Other than above
Lights off
Lights off