Fujitsu AOY90 User Manual

ERROR
CONTENTS
1C
1, Generation condition.
Communication between
transmission adapter and
control panel not
performed normally.
2, Corresponding operation.
Error display. Only error code
display operation is possible.
Other operations are
ineffective.
3, Reset condition.
Normal communication
restored between
transmission adapter and
control panel.
ERROR CAUSE
REMEDY
1-1, Check error continuity.
1) If error reset automatically, PC board
is normal. Therefore, remove noise
sources near central remote controller.
2) If error not reset automatically, check
following.
1-2, After ACL key pressed, RESET key
on transmission adapter control
board pressed, or power turned on
again :
1) If error not generated again, PC board
is normal. Therefore,remove noise
sources near central remote controller.
2) If error generated again, check
following, in addition to removing noise
sources.
1, Effect of extraneous noise.
ERROR
CODE
Connection
error
2, Communication line between
transmission adapter and
control panel connection
faulty or line open.
2, Check if communication line between
transmission adapter and control
panel is open or connection is faulty.
3, Communication parameter
setting error.
3, Check setting of DIP-SW1-1 7 on
control panel and DIP-SW2-1 4
and DIP-SW3-1 3 on transmission
adapter PC board.
4, PC board faulty. 4, Replace PC boards in following order
and check operation.
1 Transmission adapter control board.
2 Control panel PC board.
– 111 –

Fujitsu AOY90 Specifications

General

Brand	Fujitsu
Model	AOY90
Category	Air Conditioner
Language	English