Fujitsu R407C User Manual

ERROR
ERROR CONTENTS
CAUSE
COUNTERMEASURE
1. Error occurrence condition
Communication between
indoor unit control printed
circuit board and indoor unit
communication printed
circuit board is not
performed normally.
2. Relevant operation
1) Current operation is
continued. Error is displayed
on standard wired remote
controller, and displayed on
LED of indoor unit.
2) If error continues for 90
seconds after it's
occurrence, a new
transmission error
(1F) is output.
3. Clearance
Communication is
performed correctly between
indoorunit control printed
circuit board and indoor unit
communication printed
circuit board.
Error occurs on outdoor unit
in same refrigerant system.
21 Parallel
communication
error
1. When power is turned OFF and turned
ON again:
1) If error doesn't occur, printed circuit
board is normal. Then, remove noise
sources near indoor unit.
2) If error occurs again, remove noise
sources and take measure with the
following countermeasure No.2-3.
2. Check the insertion of indoor unit
communication printed circuit board.
3. Replace printed circuit boards with
following procedure, and check
the operation.
(1) Replace Indoor unit communication
printed circuit board.
(2) Replace Indoor unit control printed
circuit board.
1. Effect of extraneous noise.
32 Outdoor unit
error
See "Outdoor unit troubleshooting".
Outdoor unit is faulty.
2. Indoor unit communication
board insertion is faulty.
3. Printed circuit board is faulty.
ERROR
CODE
05-14

Fujitsu R407C Specifications

General

Brand	Fujitsu
Model	R407C
Category	Air Conditioner
Language	English