Toshiba RAS-13UKHP-ES3 Service Manual page 64

9-6. Troubleshooting for Remote Control (Including the Indoor P.C. Board)
Is there direct
NO
sunlight on the
receptor of the air
conditioner?
YES
Is there any
thyristor
fluorescent light
near by?
Keep the air
conditioner away
from thyristor
Avoid direct
fluorescent light.
sunlight.
YES
NO NO
YES
Is operation possible
when setting the
NO
temporary switch of the
air conditioner main unit
to "TEST RUN" or
"TEMPORARY AUTO"?
YES
Can any signal tone
be heard in a trasistor
radio when transmitting
within 5 cm distance
from the radio?
YES
P.C. board is failure.
Replace
P.C. board
Note: After battery replacement, Shortcircuit the metal
Push the START/STOP button.
Does the transmission
indicator blink?
Is operation
possible when the
transmitter is moved
nearer to the infrared
sinnal receiver of the
air conditioner?
YES
Battery life
NO
Replace the
batteries
terminal at the side of the battery comparment
(all-clear terminal) with a pencil.
− 62 −
FILE NO. SVM-04001
There is no been from
the indoor unit.
The operation lamp of
the air conditioner main
unit does not light.
NO
Reset the remote control
by use the tip pencil push
in the RESET hole
Push the START/
STOP button
Dose the
NO
transmission
indicator light?
YES
Is there any
NO
beep and
operation?
YES
Remote control
is failure.
Replace remote
Normal
control.