Fujitsu AOY90 User Manual

ERROR
CONTENTS
04
3, Reset conditions.
1) When error generated in
normal state Key SW42 on
control panel PC board
pressed and memory
cleared.
2) When error generated in
initial setting menu mode.
Set key pressed and memory
cleared.
1, Generation condition.
Control panel PC board be
initialized normally.
2, Corresponding operation.
Error display. Only error
display operation is possible.
Other operations are
ineffective.
3, Reset condition.
Operation panel PC board
initialization operation
performed normally.
ERROR CAUSE
REMEDY
1, Effect of noise
1, After ACL key pressed or power
turned on again :
1) If error not generated again, PC board
is normal. Therefore, remove noise
sources near operation panel.
2) If error generated again, check
following, in addition to removing
noise sources.
2, PC board faulty.
2, Replace PC boards in following order,
and check operation.
1 Transmission adapter control PC
board.
2 Transmission adapter communication
PC board.
3 Operation panel PC board.
1, Generation condition.
Communication between
transmission adapter
control PC board and
transmission adapter
communication PC board
not performed normally.
2, Corresponding operation.
1) Error display. Only error code
display operation is possible.
Other operations are
ineffective.
1, Effect of extraneous noise.
1, After RESET key on transmission
adapter control PC board pressed, or
power turned on again :
1) If error not generated again, PC board
is normal. Therefore, remove noise
sources near communication adapter.
2) If error generated again, check
following, in addition to removing noise
sources.
ERROR
CODE
Node setting
error
Parallel
communication
error
2, Transmission adapter
communication PC board
insertion faulty.
05
06
2, Check insertion of communication
adapter communication PC board.
3, PC board faulty.
3, Replace PC boards in following order
and check operation.
1 Transmission adapter communication
board.
2 Transmission adapter control board.
Memory error
2)
If error continues for a certain
time after generation, a new
communication error(1F) is
output.
3, Reset condition
Normal communication rest-
ored between communication
adaptor control PC board and
communication adapter com-
munication PC board.
– 110 –

Fujitsu AOY90 Specifications

General

Brand	Fujitsu
Model	AOY90
Category	Air Conditioner
Language	English