Troubleshooting; Faults Indicated Via Leds - Pepperl+Fuchs HD2-GTR-4PA Manual

P R O F I B U S P
O W E R
11

Troubleshooting

This chapter is designed to offer help in connection with your
PROFIBUS Power Hub.
In case a fault should occur, a good starting point is to make sure that the
field wiring is complete, properly terminated and that all field spurs are
attached. It is also advisable to check if the Gateway Module(s) and the
Power Modules are properly plugged into the connection slots on their re-
Note
spective motherboards.
11.1

Faults Indicated via LEDs

Symptom
LED „PWR" is
off
LED „DP/ERR"
is flashing red
LED „DP/ERR"
is solid red
LED „Red."
(Redundancy)
is flashing yel-
low
Subject to reasonable modifications due to technical advances.
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
H S
U B E G M E N T
Possible cause
No power
Gateway defective
No data transmission on
DP side
Master problem
Gateway defective
Hardware error
Redundancy not available.
Reason:
Synchronisation in pro-
gress
Second Gateway Module
is missing on a redundant
board
Backup Gateway is defec-
tive
C
O U P L E R
Troubleshooting
Check Power Supply
Restart Gateway. If pro-
blem persists, send Gate-
way to Pepperl+Fuchs
Check cables
Check termination
Check Master
Restart Gateway. If pro-
blem persists, send Gate-
way to Pepperl+Fuchs
Restart Gateway. If pro-
blem persists, send Gate-
way to Pepperl+Fuchs
Not a fault. Wait a few se-
conds
Plug in second Gateway
Module
Send Gateway to Pep-
perl+Fuchs
Copyright Pepperl+Fuchs, Printed in Germany
Remedy
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