Lenze E94AYCEC - Manual (Page 50)

8 Diagnostics
8.2 Troubleshooting with module signalling
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Lenze · E94AYCEC Communication module (POWERLINK CN) · Communication Manual · DMS 3.0 EN · 08/2014 · TD17
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[8-2] Diagnostics - network wiring
E94YCEP052
2. Diagnostics - network wiring
X251/252
green LED
blinking?
Check the cable
connection and the
cable. Check EPL master,
see point 1. Switch on the EPL
devices.
Go back to point 2. Create EPL wiring.
Go back to point 1.
Is at least one
cable
plugged?
X251/252,
green LED on?
Is the
module
connected to
it switched
on?
Point 3
Check EPL
master.
BS on /
blinking?
yes no
no
on
yes
no
yes
no
yes
off
Check EPL wiring to
EPL master.

Note!
The BS (Bus Status) LED refers to the Lenze E94AYCEP communication module as
managing node.
This status display applies analogously to the managing nodes of other manufacturers.