Troubleshooting For Remote Control - Toshiba RAS-18UFHP-E3 Service Manual

9-9. Troubleshooting for Remote Control

Is receiver on
NO
indoor unit exposed
to direct sunlight?
YES
Is there any
thyristor fluorescent
light nearby?
Keep indoor unit
Avoid direct
away from
sunlight.
fluorescent light.
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.
thyristor
Press START/STOP
button.
NO
Is transmission
mark indicated?
YES
Press RESET button
on remote control
with tip of pencil.
Does indoor unit
operate when
NO
moving remote control
near receiver or
indoor unit?
Press START/STOP
YES
Batteries are
exhausted.
Is transmission mark
NO
beep and operate?
NO
Replace
batteries.
Note : After replacing batteries,
press the RESET button
with a tip of a pencil.
– 74 –
FILE NO. SVM-04032
The unit does not beep at all.
OPERATION lamp on
indoor unit is not indicated.
button.
NO
indicated?
YES
Does indoor unit
YES
Remote control
is defective.
Normal Replace
operation remote control.