Lenze EMZ9374IB - Page 71

Troubleshooting and fault elimination
Fault messages
8
l
71
EDBMZ9374X DE/EN/FR 4.2
Behaviour of the terminal extensions in the event of cycle process data transfer
Bus device LED "ERROR module" LED Level of the
digital
outputs
Fault Important
Flash
pattern
"Opera−
tion"
Mode"
9374 master
¢
l l
Status which
was output
last

l Undefined status of
the digital outputs.
l No reset necessary
after the error has
been eliminated.
« – – – l l 
« – – – l l 



l Operation
undisturbed
l LED "ERROR module"
indicates error of
9374 slave1, 2 or 3.
¢ l l LOW 
After fault elimination,
the terminal extension
is reset by switching off
and on the power
supply.
9374 slave1
9374 slave2
9374 slave3
¢ l l
Status which
was output
last

Undefined status of the
digital outputs.
«  – – l l LOW 
No reset necessary after
the error has been
eliminated.
9374 slave1 «  – – l l LOW 
No reset necessary after
the error has been
eliminated.
9374 slave2 «  – – l l LOW 
9374 slave3 «  – – l l LOW 
9374 slave1
9374 slave2
9374 slave3
«  –  – ¢ l LOW 
After fault elimination,
the terminal extensions
are reset by switching
off and on the power
supply.
l LED on ¢ LED off « LED flashing