Fujitsu R407C User Manual

ERROR
CONTENTS
CAUSE
COUNTERMEASURE
1F
3. Clearance 
Transmission between
VRF system and network
convertor is performed
normally.
ERROR
CODE
Transmission
error with
VRF system
1. Effect of extraneous noise.
1-3 After the power of VRF system is
reset:
1) If error dosen't occur, printed circuit
board is normal. Please remove
noise sources near VRF system.
2) If error occurs again, remove noise
sources and take measure with
the following countermeasure.
2. Network convertor printed
circuit board is faulty.
3. Printed circuit board of
device of VRF system
is faulty.
2. Replace the network convertor
printed circuit board.
3. Replace the printed circuit boards of
device of VRF system.
21
Software error
1. Error occurence condition
An incorrect control is
performed by
microcomputer program.
2. Relevant operation
Error code is displayed.
All control items are not
available.
3. Clearance 
Error is cleared when the
network convertor return to
operate normally after the
power of microcomputer
is reset.
1. Effect of extraneous noise.
1-1 Check the continuity of error.
1) If error is cleared automatically,
printed circuit board is normal.
Please remove noise sources near
network convertor.
2) If error isn't cleared automatically,
check following.
1-2
1) If error doesn't occur, printed circuit
board is normal. Please remove
noise sources near network
convertor.
2) If error occurs again, remove noise
sources and take measure with the
following countermeasure.
2. Network convertor printed
circuit board is faulty.
2. Replace the network convertor printed
circuit board.
32 Indoor or
outdoor unit
error
1. Indoor unit is faulty.
2. Outdoor units is faulty.
1. See troubleshooting of relevant
indoor unit.
2. See troubleshooting of relevant
outdoor unit.
1. Error occurence condition
Error occurs on indoor or
outdoor units which are
connected with network
convertor.
2. Relevant operation
Error code is displayed.
Other control methods
are still possible.
3. Clearance 
When the error of indoor
or outdoor units which are
connected with network
convertor is cleared.
05-35
After the SW104 button of network
convertor PCB is pressed for more
than five seconds, or the power of
network convertor is reset.

Fujitsu R407C Specifications

General

Brand	Fujitsu
Model	R407C
Category	Air Conditioner
Language	English