Toshiba RAS-10SA-E, RAS-10SKX, RAS-10SAX, RAS-10SK-E service manual There is no beep from

9-4. How to Check the Remote Control (Including the Indoor PC Board)

There is no beep from

the indoor unit.

Push the START/STOP button. The operation lamp of

the air conditioner main

unit does not light.

NO

Does the transmission

YES

indicator flash?

Short-circuit the metal

terminal at the side of the

Is there direct

NO

battery compartment

sunlight on the

(all-clear terminal) with a pencil.

receptor of the

(wait about 10 seconds)

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

air conditioner?

YES

Push the START/

YES

STOP button

Battery life

Does the

NO

Is operation

transmission

possible when setting

NO

indicator light?

the temporary switch of the

air conditioner main unit to

YES

"TEST RUN" or

"TEMPORARY AUTO"?

YES

NO

Is there any

beep and

operation?

Can any signal tone

YES

be heard in a transistor

NO

radio when transmitting

within 5cm distance

from the radio?

YES

Avoid direct sunlight.

Keep the air

conditioner away

from thyristor fluorescent light.

PC Board is failure.

Replace		Replace the	Normal
PC board.		batteries
Note:	After battery replacement,
	shortcircuit the metal terminal at
	the side of the battery compartment
	(all-clear terminal) with a pencil.

Remote control is failure.

Replace remote control.

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