45
Fieldbus Valve Coupler FD0-VC-Ex4.FF
Error detection and problem solutions
Subject to reasonable modifications due to technical advances.
Copyright Fuchs, Printed in Germany
Fuchs Group • Tel.: G49 621 776-0 • USA +1 330 4253555 • Sin65 67799091 • Internet http://www.pepperl-fuchs.com
P
a
rt
N
o
.:
1
082
27
, D
a
te
o
f i
ssue
27
.0
3.2
006
Status values of process parameters
7.6
Initialisation run ("Auto Init Command")
Status message
Cause
Elimination
Cross reference
Bad - Out of Service
Mode of the block is
„Out of Service“
Set Target Mode to „AUTO“ .
Bad - Device Failure
Hardware Error
Send device to
Fuchs for repair.
Uncertain - Initial
Value
Not all transducer
blocks are in "Auto"
mode.
Set transducer blocks to
"Auto" mode.
See also section 6.5.5
Message
Cause
Elimination
Error before start:
Valve is actuating.
Start initialisation run again as soon as the valve has
reached the set position.
Lead breakage or short cir-
cuit at valve or sensor.
Check wiring of sensors and valve.
Valve is not in final posi-
tion.
• Check PFCs.
• Check auxiliary power.
• Check drive.
Resource block is in "Out
of Service" mode.
Set resource block into "Auto" mode.
Error while running:
The PFCs have displayed
an unexpected valve posi-
tion (not: open-intermedi-
ate-closed and vice versa).
Check PFCs and contacts.
Breakaway time is longer
than 1 min.
• Auxiliary power too low.
• Friction too high.
• Drive or pilot valve defective.
• System pressure too high.
Transit time is longer than
3 min.
• Auxiliary power too low.
• Friction too low.
• Drive or pilot valve defective.
The lead and/or short cir-
cuit monitor has detected
an error.
• Check wiring of sensors and valve.
• See also section 7.1 and and 7.3.