Chigo CS-25V3A-MA114A, Service Manual

Page: 34 / 50

34
Replace
P.C. board.
Is receiver on
indoor unit exposed
to direct sunlight?
Batteries are
exhausted.
Press START/STOP
button.
Is there any thyristor
fluorescent light
nearby?
Does indoor unit
operate when
moving remote
control near receiver
or indoor unit?
P.C. board is
defective.
Is transmission
mark indicated?
Press RST button
on remote control
with tip of pencil.
Press START/STOP
button.
Does radio sound is
affected by remote
control when a
signal is transmitted
at distance of 5 cm
from radio?
Does indoor unit
start to operate by
automatic restart
function?
Is transmission
mark indicated?
Does indoor unit
beep and operate?
Remote control is
defective.
Keep indoor unit
away from
thyristor
fluorescent light.
Avoid direct
sunlight.
Replace
batteries.
Normal
operation
Replace remote
control.
The unit does not beep at all.
OPERATION indication on
indoor unit is not indicated.
NO
NO
NO NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES