Toshiba RAS-10SAV-A, RAS-10SAV-E, RAS-10SKV-A, RAS-10SKV-E 11-5.Judgement of Trouble by Every Symptom, 11-5-1.Indoor unit (Including remote controller), (1) Power is not turned on (Does not operate entirely)

11-5. Judgement of Trouble by Every Symptom

11-5-1. Indoor unit (Including remote controller)(1) Power is not turned on (Does not operate entirely)

	Turn off power
	supply once, and 5
	second later, turn it
	on again.
NO
	Is OPERATION
	lamp blinking?
			YES
	Is it possible to				Does
					transmission
	turn on power
					mark on
	supply by			NO		NO
					remote control
	pressing				flash normally,
	[	] button			and is its signal
	on remote
					transmitted
	control?
					properly?

FILE NO. SVM-07008

Operation

Check item

Conceivable principle cause

Measure

Item by symptoms

Remote control is

defective.

YES

YES

Refer to (5)

"Troubleshooting for

Remote Control."

Unit operates

Is fuse (F01)

Parts

Does

normally.

YES

(D01 ~ D04,

fan motor

of indoor control

C03, T101

connector

YES

board blown?

and IC12 are

between 1

NO

defective.

and 3

short-circuit?

NO

Is voltage

NO

(DC 12V or 5V)

YES

Replace main

indicated on

Microcomputer

rear of indoor

is defective.

P.C. board.

control board

normal?

Is the

Refer to

voltage

NO

<Primary check>

across C03

mesured

or this problem

DC 310V~340V?

is one step short

of power P.C.

YES

board block.

Are DC 5V,

Are DC 5V,

Turn off breaker

DC 12V

NO

or DC 12V

NO

Regulator IC

supplied

once and turn it

supplied

(IC12) or T101

to main

on again after

to main

are defective

P.C. board?

removing motor.

P.C. board?

YES

YES

Replace motor

.

•Be sure to disconnect the motor connector CN10 after shut off the power supply, or it will be a cause of damage of the motor.

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