Chigo 38B Service Manual page 102

Is receiver on
NO
indoor unit exposed
to direct sunlight?
YES
Is there any thyristor
Avoid direct
sunlight.
YES
NO
fluorescent light
nearby?
YES
Does indoor unit
NO
start to operate by
automatic restart
function?
YES
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
P.C. board.
thyristor
fluorescent light.
Press START/STOP
button.
Is transmission
mark indicated?
YES
Does indoor unit
operate when
NO
moving remote
control near receiver
YES
or indoor unit?
YES
Batteries are
exhausted.
NO
YES
Replace Replace
batteries.
35
The unit does not beep at all.
OPERATION indication on
indoor unit is not indicated.
NO
Press RST button
on remote control
with tip of pencil.
Press START/STOP
button.
Is transmission
mark indicated?
YES
NO
Does indoor unit
beep and operate?
YES
Normal
operation
NO
Remote control is
defective.
Replace remote
control.