Lenze E94AYCPM - Manual (Page 82)

12 Diagnostics
12.1 LED status displays
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Lenze · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · TD17
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12 Diagnostics
For diagnosing faults of the PROFIBUS module, the LEDs on the front panel are available.
Furthermore, you can query the current bus status via codes C13861 / C14861 .
12.1 LED status displays

Note!
During normal operation, the LED BS blinks and the LED MS is permanently lit.
LED status display Pos. Colour State Description
MS Green On The communication module is supplied with voltage
and has established a connection to the standard
device.
Blinking The communication module is supplied with voltage,
but has not yet established a connection to the
standard device. (Standard device is switched off,
initialising or not present.)
ME Red On An error concerning the communication module has
occurred.
BS Green Blinking The communication module is in the DATA_EXCH
state ("Data_Exchange"). Data are exchanged via the
PROFIBUS.
Off The communication module is not active on the
fieldbus or is being initialised.
BE Red On Bus error/fault is active (e.g. bus cable unplugged).
DE Red On The communication module is not accepted by the
standard device or the standard device is not active.
(See notes in the documentation for the standard
device.)