Mitsubishi Electronics PKH24FL, PKH36FL, PKH30FL, PKH18FL service manual Troubleshooting, Self-check

10 TROUBLESHOOTING

1. Self-diagnostic function

A B

ON/OFF	TEMP
4
	FAN	AUTO STOP
MODE	VANE	AUTO START
CHECK	LOUVER	h

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TEST RUN	min
SET	RESET CLOCK

Self-check

1Turn on the main power to the unit.

2Press the CHECK button twice continuously.

(Start this operation from the status of remote controller display turned off.)

A CHECK begins to light. B “00” begins to blink.

3While pointing the remote controller toward the unit’s receiver,

h

press the button. The check code will be indicated by the number of times that the buzzer sounds from the receiver section and the number of blinks of the operation lamp.

4Press the ON/OFF button to stop the self-check.

Check Code	Alarm	Buzzer sound
1	Suction sensor alarm	Single beep O 1
2	Pipe sensor alarm	Single beep O 2
3	Transmission alarm	Single beep O 3
4	Drain sensor alarm	Single beep O 4
5	Drain pump alarm	Single beep O 5
6	Anti-freezing on	Single beep O 6
	Anti-overheat on	Single beep O 6
7	System error	Single beep O 7
8	Outdoor unit alarm	Single beep O 8
9	No alarm (no error)	Receiving signal only
		(no error alarm)

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