Toshiba RAS-10UKV-E Service Manual page 55

(5) Troubleshooting for remote control
Is receiver on
NO
indoor unit exposed
to direct sunlight?
YES
Is there any
thyristor fluorescent
light nearby?
Avoid direct
Keep indoor
sunlight.
unit away from
thyristor
fluorescent light.
Press START/STOP
YES
NO NO
YES
Does indoor unit
NO
start to operate by
automatic restart
function?
YES
Does radio sound
is affected by
remote control when
a signal is transmitted
at distance of 5 cm
from radio?
YES
P.C. board is defective.
Replace P.C. board.
The unit does not beep at all.
OPERATION lamp on indoor
button.
unit is not indicated.
NO
Is transmission
mark indicated?
Does indoor unit
operate when
moving remote
control near receiver
or indoor unit?
YES
Batteries are
exhausted.
NO
NO
Replace batteries.
Note : After replacing batteries,
press the RESET button
with a tip of a pencil.
– 54 –
FILE NO. SVM-02007
Press RESET button
on remote control
with tip of pencil.
Press START/STOP
button.
Is transmission NO
mark indicated?
YES
Does indoor unit
beep and operate?
YES
Remote control
Normal operation Replace remote
is defective.
control.