EUCHNER CETx-AS-xxx-CB-xxx (Multicode) - Manual (Page 18)

Operating Instructions Safety Switch CET.-AS-...-CB-...
18
AS-Interface status messages
A dual LED (red/green) displays the colors red, green and yellow. The following
table provides assistance with troubleshooting.
State
LED ASI
Explanation
green Normal operation
red
No data exchange between master and slave
Cause:
- Master in STOP mode
- Slave not in LPS
- Slave with wrong IO/ID
red/yellow alternately flashing
No data exchange between master and slave
Cause: slave address = 0
red/green alternately flashing Auxiliary power not connected
or
device fault in the slave.
Contact EUCHNER.
red flashing
Two additional function LEDs may be activated via the AS-Interface bus, e.g. to
display the door status. The LEDs are connected as an output to the AS-Interface
bus via bits D1 and D2.