Mitsubishi Electric Mr. Slim PUHZ-ZRP35VKA Service Manual page 40

11-3-6. Self-diagnosis <Wireless remote controller>
<In case of trouble during operation, except for SLZ model>
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
FAN AUTO STOP
AUTO START
MODE VANE
CHECK LOUVER
CHECK
TEST RUN
button
SET RESET CLOCK
<In case of trouble during operation for SLZ model>
h
ON/OFF
TOO
WARM
56
FAN SELECT
AUTO COOL
VANE
HEAT DRY
MODE
24
RESET
OCH527C
[Procedure]
1. Press the CHECK button twice.
Refrigerant
address
display
2. Press the temperature
buttons.
Temperature
button
3. Point the remote controller at the
HOUR
sensor on the indoor unit and
button
press the HOUR button.
h
min
4. Point the remote controller at the
sensor on the indoor unit and
press the ON/OFF button.
[Procedure]
1 Turn ON the power.
2 While pressing both the MODE SELECT button and
TOO COOL button on the remote controller at the same
time, press the RESET button.
3 Firstly, release the RESET button.
TOO
4 And release the other 2 buttons since all LCD in
COOL
24
operation display section of the remote controller is
displayed after 3 seconds.
5 Transmit the signal of remote controller, pressing ON/ OFF
TIME
button on the remote controller.
(The above procedure allows OPERATION INDICATOR lamp
to indicate the failure-mode.)
6 Transmit the signal of remote controller, pressing a button other
23
than ON/ OFF button or VANE button to stop the self-check.
• "CHECK" lights, and refrigerant address
• Check that the remote controller's
• Select the refrigerant address of the
Note: Set refrigerant address using the
• If an air conditioner error occurs, the
• The check mode is cancelled.
OPERATION INDICATER
40
"00" flashes.
display has stopped before continuing.
indoor unit for the self-diagnosis.
outdoor unit's DIP switch (SW1).
(For more information, see the
outdoor unit installation manual.)
indoor unit's sensor emits an intermittent
buzzer sound, the operation light
flashes, and the check code is output.
(It takes 3 seconds at most for check
code to appear.)