Mitsubishi Electric Mr. Slim SUZ-SA71VA Technical & Service Manual page 20

11-3-5. Self-diagnosis <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
ON/OFF TEMP
ON/OFF
button
FAN AUTO STOP
AUTO START
MODE VANE
CHECK LOUVER
CHECK
TEST RUN
button
SET RESET CLOCK
11-3-6. Self-diagnosis <Wireless remote controller (SLZ type) >
ON/OFF
TOO
WARM
56
FAN
AUTO COOL
VANE
HEAT DRY
MODE
24
RESET
OCH561
[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.
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.
h
3 Firstly, release the RESET button.
TOO
4 And release the other 2 buttons since all LCD in
COOL
operation display section of the remote controller is
24
displayed after 3 seconds.
SELECT
5 Transmit the signal of remote controller, pressing ON/ OFF
button on the remote controller.
TIME
(The above procedure allows OPERATION INDICATOR lamp
6 Transmit the signal of remote controller, pressing a button other
than ON/OFF button or Vane button to stop the self-check.
23
to indicate the failure-mode.)
OPERATION INDICATER
20
• "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
outdoor unit's DIP switch (SW1).
(For more information, see the
outdoor unit installation manual.)
• If an air conditioner error occurs, the
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.)
• The check mode is cancelled.