How To Check The Remote Control (Including The Indoor Pc Board) - Toshiba RAS-10SA-E Service Manual

9-4. How to Check the Remote Control (Including the Indoor PC 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
Avoid direct
from thyristor
sunlight. fluorescent light.
YES
NO
NO
YES
Is operation
possible when setting
NO
the temporary switch of the
air conditioner main unit to
"TEST RUN" or
"TEMPORARY AUTO"?
YES
Can any signal tone
be heard in a transistor
radio when transmitting
within 5cm distance
from the radio?
YES
PC Board is failure.
Replace
PC board.
Note:
Push the START/STOP button.
Does the transmission
indicator flash?
Is operation
possible when the
transmitter is moved
nearer to the infrared
signal receiver of the
air conditioner?
YES
Battery life
NO
Replace the
batteries
After battery replacement,
shortcircuit the metal terminal at
the side of the battery compartment
(all-clear terminal) with a pencil.
– 43 –
There is no beep from
the indoor unit.
The operation lamp of
the air conditioner main
unit does not light.
NO
Short-circuit the metal
terminal at the side of the
battery compartment
(all-clear terminal) with a pencil.
(wait about 10 seconds)
Push the START/
STOP button
Does the
transmission
indicator light?
YES
Is there any
NO
beep and
operation?
YES
Remote control
Replace remote
Normal
control.
NO
is failure.