Carrier 38CJR018-723 - Troubleshooting for Remote Control

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Press START/STOP
button.
Is transmission
mark indicated?
Press ACL button
on remote control
with tip of pencil.
Is receiver on
indoor unit exposed
to direct sunlight?
Is there any
thyristor fluorescent
light nearby?
Does indoor unit
operate when
moving remote control
near receiver or
indoor unit?
Press START/STOP
button.
Batteries are
exhausted.
Is transmission mark
indicated?
Does indoor unit
beep and operate?
Remote control
is defective.
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?
P.C. board is
defective.
Keep indoor unit
away from
thyristor
fluorescent light.
Avoid direct
sunlight.
Replace
P.C. board.
Replace
batteries.
Normal
operation
Replace
remote control.
The unit does not beep at all.
OPERATION lamp on
indoor unit is not indicated.
Note : After replacing batteries,
press the RESET button
with a tip of a pencil.
NO
YES
YES
NO
NO NO
YES
YES
NO
YES
NO
YES
YES
YES
NO
NO
9-9. Troubleshooting for Remote Control
FILE NO. SVM-05010