Mitsumi electronic PLA-A12AA, PLA-A30AA MALFUNCTION-DIAGNOSIS Method by Remote Controller

10-2. MALFUNCTION-DIAGNOSIS METHOD BY REMOTE CONTROLLER

<In case of trouble during operation>

When a malfunction occurs to the 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 display

ON/OFF button

CHECK

ON/OFF	TEMP
FAN	AUTO STOP

[Procedure]

Refrigerant	1. Press the CHECK button twice.	• "CHECK" lights, and refrigerant
		address "00" blinks.
address
		• Check that the remote controller's
display
		display has stopped before continuing.
Temperature	2. Press the temperature	• Select the refrigerant address of the
	buttons.	indoor unit for the self-diagnosis.
button		Note: Set refrigerant address using the
		outdoor unit’s DIP switch (SW1).
		(For more information, see the
		outdoor unit installation manual.)

CHECK button

MODE	VANE	AUTO START
CHECK	LOUVER	h
TEST RUN		min
SET	RESET CLOCK

3. Point the remote controller at the

HOURsensor on the indoor unit and button

press the HOUR button.

•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.)

4. Point the remote controller at the • The check mode is cancelled. sensor on the indoor unit and

press the ON/OFF button.

To be continued to the next page.

15