Toshiba RAS-M07N3KV2-E Service Manual page 57

(4) Troubleshooting for remote control
Is receiver on
NO
indoor unit exposed
to direct sunlight?
YES
thyristor fluorescent
Avoid direct Keep indoor unit
sunlight.
fluorescent light.
YES
Is there any
NO
light nearby?
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?
P.C. board is
defective.
Replace
away from
P.C. board.
thyristor
Press [ ]
button.
Is transmission
mark indicated?
Does indoor unit
operate when
NO
moving remote control
near receiver or
indoor unit?
YES
Batteries are
exhausted.
NO
NO
YES
Replace
batteries.
– 56 –
FILE NO. SVM-12072
The unit does not beep at all.
OPERATION lamp on
indoor unit is not indicated.
NO
Press RESET button
on remote control
with tip of pencil.
Press [ ]
button.
NO
Is transmission mark
indicated?
YES
Does indoor unit
beep and operate?
YES
Remote control
is defective.
Normal Replace
operation remote control.