Toshiba RAS-M10PKVP-E Service Manual page 102

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