Fujitsu R407C User Manual

ERROR
CONTENTS
CAUSE
COUNTERMEASURE
1. Effect of extraneous noise.
1C
3. The power of indoor units is
OFF.
1F
1-1
1) If error dosen'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.
1-2 After the power of indoor units
is reset:
1) If error dosen't occur, printed circuit
board is normal. Please remove
noise sources near indoor units.
2) If error occurs again, remove noise
sources and take measure with
the following countermeasure.
1. Error occurrence condition
Transmission between
VRF system and network
convertor is not performed
normally.
Undefined signal is accepted
from VRF system.
2. Relevant operation
Error code is displayed.
Control from and display on
VRF system cannot be
performed.
Other control methods
are still possible.
ERROR
CODE
Transmission
error with VRF
system
2. The remote controller line
between network convertor
and indoor units is not
connected or connection
is faulty.
4. The indoor unit address
setting is faulty.
5. The setting of DIP-SW of
network convertor is faulty.
6. Replace indoor unit circuit board or
network convertor printed circuit
board.
Transmission
error with
indoor unit
1. Error occurrence condition
Transmission between
indoor units and network
convertor is not performed
normally.
2. Relevant operation
1) Error code are displayed.
All control items are not
available.
3. Clearance 
Transmission between
indoor units and network
convertor become normal
again.
2. Check the remote controller line to
find whether it has been disconnected,
connected faultily, wrong wiring
or not.
3. Check the power supply of indoor
units.
4. Check the indoor unit address setting.
5. Check the setting of DIP-SW103[1-4]
of network convertor to conform the
matching between indoor unit type
and RC type.
Check the setting of DIP-SW103[5-8]
of network convertor to conform the
number of the connected indoor units.
6. Indoor unit printed circuit
board or network convertor
printed circuit board is faulty.
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.
05-34
After the SW104 button of network
convertor PCB is pressed for more
than five seconds, or the power of
network convertor is reset.
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