Toshiba RAS-10YKV-E, RAS-13YKV-E, RAS-10YAV-E, RAS-13YAV-E service manual

(5) How to examine whether remote controller is good or bad
Operation
Check Items			There is no beep from
Considerable main cause	Push the START/STOP button.		the indoor unit.
			The operation lamp of
			the air conditioner main
Measures	Does the transmission	NO	unit does not light.
Item by symptom	indicator of remote
	controller light?
	YES

Is there direct	NO						Take out the batteries and
sunlight on the							insert them again.
receptor of the							(rear side of remote controller)
air conditioner?
YES					Is operation
	Is there any		NO	NO	possible when the
	thyristor				transmitter is moved
	fluorescent light				nearer to the infrared
	near by?				signal receiver of the
		YES			air conditioner?
						YES
					Battery life

Avoid direct sunlight.

		Is Temporary Cool
	NO	operation possible when
		keeping the temporary
		switch of the air conditioner
		main unit pressed for
		10 seconds or more?
		YES
				NO
		Can any signal tone
		be heard in a transistor		NO
		radio when transmitting
		within 5cm distance
		from the radio?
			YES
Keep the air
conditioner away		Replace
				Replace the
from thyristor
		P.C. board.
fluorescent light.				battery.

Push the START/

STOP button

Does the transmission		NO
indicator light?
	YES

Is there any receiving sound and operation?

YES

	Remote
Normal	controller
	is failure.

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