Toshiba RAS-B16N3KV2-E1 Service Manual page 85

(4) Troubleshooting for remote controller
<Primary check>
Check that A or B selected on the main unit is matched with A or B selected on the remote controller.
Is receiver on
indoor unit exposed
to direct sunlight?
YES
thyristor fluorescent
Avoid direct
sunlight.
YES
NO
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.
Keep indoor unit Replace
away from
P.C. board.
thyristor
fluorescent light.
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.
– 84 –
FILE NO. SVM-15006
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
operation remote control.
Replace