Toshiba RAS-13YAV-E, RAS-13YKV-E, RAS-10YKV-E, RAS-10YAV-E Only the indoor fan does not operate

(3) Only the indoor fan does not operate

Turn off the power supply.

Turn on the power supply.

Does the fan		NO
stop in no operating
status?
	YES

Control board is defective.

Operation

Check Item

Considerable main cause

Measures

Item by symptom

Replace the board.

Start the operation with low fan setting in cool operation.

				Is the DC 35V			Turn off the power supply,
		NO	measured between			NO
Does the fan rotate?			1	(red lead wire) and			and turn it on after
			2	(black lead wire)			removing the motor from
	YES		of the motor connector				the board.
				(CN10) ?
					YES
			Turn off the power supply.
Change the setting of
				Does the cross NO		Repair the
cooling to high fan.
				flow fan rotate		bearing of the
				normally?		cross flow fan.
					YES

Turn on the power supply.

Does the fan speed	NO Operation
become higher?		stops
YES

Is the rotation signal

(DC+5V 0V) output between

4(blue lead wire) and 2 (black lead wire) of the motor connector (CN10) when rotating the cross flow fan by hand in no operating

status ? (2 pulses/one turn)

YES

Is the voltage of

DC35V measured NO between 1 and 2 GND of

the motor connector (CN10) ?

YES

NO

Replace the board.

	Replace the	Replace the
Normal
	control board.	fan motor.

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