Diagnostics
LED status displays
12
l
89
EDSMF2178IB EN 3.0
12.2 LED status displays
The LEDs on the front are provided to the communication module for the purpose of fault
diagnostics.
2172CAN000D
Fig. 12−1 LEDs of the communication module
Pos. Status display (LED) Description
0
Connection status to standard device, two−colour LED (green/red)
OFF l The communication module is not supplied with voltage.
l The external voltage supply is switched off.
GREEN
Blinking The communication module is supplied with voltage, but has no
connection to the standard device.
Cause:
The standard device is ...
l switched off;
l in the initialisation phase;
l not available.
Constantly ON The communication module is supplied with voltage and is
connected to the standard device.
RED
Constantly ON CANopen operation impossible.
Blinking
Permanently: l Parameters are reset to Lenze setting.
l CANopen operation possible.
1 x blinking: l An error occurred while saving a value.
2 x blinking: l CANopen operation possible.
l The node address/baud rate from C1850/C2350 or C1851/C2351
could not be accepted .