Troubleshooting and fault elimination – Lenze EMZ9374IB User Manual
Page 71
Troubleshooting and fault elimination
Fault messages
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
Ċ
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.
«
Ċ – –
l
l
LOW
No reset necessary after
the error has been
eliminated.
9374 slave1
«
Ċ – –
l
l
LOW
No reset necessary after
the error has been
eliminated.
9374 slave2
«
Ċ – –
l
l
LOW
9374 slave3
«
Ċ – –
l
l
LOW
9374 slave1
9374 slave2
9374 slave3
«
Ċ – Ċ –
¢
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