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FILE NO. SVM-07009
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(4) Troubleshooting for remote control
Press [ ]
button.
Is transmission
mark indicated?
Press RESET button
on remote control
with tip of pencil.
Is receiver on
indoor unit exposed
to direct sunlight?
Is there any
thyristor fluorescent
light nearly?
Does indoor unit
operate when
moving remote
control near receiver
or indoor unit?
Batteries are
exhausted.
Press [ ]
button.
Is transmission
mark indicated?
Does indoor unit
start to operate by
automatic restart
function?
Does radio sound
is affected by
remote control when
a signal is transmitted
at distance of 5 cm
from radio?
Does indoor unit
beep and operate?
Avoid direct
sunlight.
Keep indoor
unit away from
thyristor
fluorescent light.
P.C. board is defective.
Replace P.C. board.
Replace batteries.
Normal operation
Replace remote
control.
Remote control
is defective.
Note : After replacing batteries,
press the RESET button
with a tip of a pencil.
The unit does not beep at all.
OPERATION lamp on indoor
unit is not indicated.
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
NO
YES