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Troubleshooting and fault elimination

Status messages of the terminal extension

EDBMZ9374X DE/EN/FR 4.2

8 Troubleshooting and fault elimination

8.1 Status messages of the terminal extension

Diagnostic LED

ERROR module Mode Operation Meaning

¢ll Normal operation

¢ « l Data transmission active

¢ l « Operating state pre−operational

« l ¢ Programming mode active

« l ¢

Bus OFF or communication error

The terminal extension is no longer in operation

« « « Configuration or selftest error

ERROR Meaning

¢ No error on the input/output terminals

Incorrect wiring

A HIGH level was applied to a terminal which

was configured as output.

l LED on ¢ LED off « LED flashing

LED of the digital inputs/outputs

I/O1 ... I/O8 Meaning

¢ Input/output is not active

l Input/output is active

l LED on ¢ LED off

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Lenze EMZ9374IB Manuale Utente Pagina 68