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(4) 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.
Press the
START/STOP button.
Change the sensor display
P.C. board. (MCC-5053)
The unit does not beep at all.
Operation lamp on indoor
unit is not indicated.
Avoid direct sunlight.
Keep indoor unit away from
thyristor fluorescent light.
Batteries are exhausted.
Replace batteries.
Normal operation
Replace
remote controller.
Remote controller
is defective.
Press the
START/STOP button
Press RESET button
on remote controller
with tip of pencil.
Does LED of the sensor display panel ON?
Is transmission mark indicated?
Is transmission
mark indicated?
Does indoor unit
beep and operate?
Is there any thyristor
fluorescent light nearby?
Is receiver on indoor unit
exposed to direct sunlight?
Does indoor unit operate
when moving remote controller
near receiver or indoor unit?
Does indoor unit start
to operate by automatic restart
function?
Does radio sound is
affected by remote controller
when a signal is transmitted at
distance of 5 cm from radio?
Check wiring from the sensor panel
and also check connection of CN201
on the main P.C. board.
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
Summary of Contents for RAS-M10SMUCV-E
Page 71: ... 71 11 7 P C Board Layout ...
