39
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
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Error detection and problem solutions
7.1
LEDs
The valve interface is provided with 6 LEDs at the front of the device which inform about the status of the
device and about errors related to the hardware which must be eliminated locally under normal circumstanc-
es.
Figure 7.1: LEDs at device
1
Attention: The light intensity is low for reasons of power saving.
7.2
Resource block
LED
States
Cause
Elimination
PWR CHK
1
OFF
No power supply.
• Check power supply.
• Check wiring of F
OUNDATION
fieldbus.
Permanently
green
Power supply available,
device is ready to operate.
COM ERR
OFF
No communication errors.
Flashing red
No bus activity or bus error. • Check wiring.
• Check LAS.
Permanently red Hardware error.
Send device to manufacturer.
IN/OUT CHK
(Channel 1...4)
OFF
No errors detected.
Flashing red
Lead breakage or short cir-
cuit of PFC or valve lead.
• Inform about exact error in device, re-
fer to diagnosis messages.
• Check PFC and valve line of affected
channel.
Problem
Elimination of error
Parameter
Message
Cause
Elimination
BLOCK_ERR
Lost Static Data
The parameterisation
data stored in the
device were faulty and
replaced by the default
settings.
Repeat parameterisation. If this error
occurs repeatedly, send the device to
Fuchs for repair.
Device Maintenance
Hardware error.
Send device to Fuchs for
repair.
Simulation
Simulation allowed by
setting the switch 1.
Check whether simulation shall be
allowed.
OOS
The target mode of the
block is OOS.
Set block to "Auto" mode.
Channel 1
Channel 2
Channel 3
Channel 4