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(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 there direct
NO
sunlight on the
receptor of the air
conditioner?
YES
Is there any
thyristor
fluorescent light
nearly?
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 transistor
radio when transmitting
within 5 cm distance
from the radio?
YES
P.C. board is failure.
Replace
P.C. board
Push the [
] button.
Does the transmission
indicator blink?
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
- 82 -
There is no beep from the indoor unit
The OPERATION lamp of the
air conditioner main unit does not light
NO
Press RESET button
on remote control with
tip of pencil
Push the [
]
button
Dose the
NO
transmission
indicator light?
YES
Is there any
NO
beep and
operation?
YES
Remote control
is failure.
Replace remote
Normal
control.
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