Festo CTEU-CO, Manual, Functions And Maintenance

Page: 55 / 80

3. Error treatment
3-5
Festo P.BE-CTEU-CO-OP+MAINT-EN en 1101NH
Error status 2 The load voltage supply for the connected device(s) is miss-
ing or exhibits undervoltage:
– PS-LED flashes green and
– X1 and/or X2-LED flash green
Prerequisite: That connected device(s) must support this
diagnostic function (see device description).
3.1.3 Restart communication between the bus node and the device
Problem description: X1 and X2 flash red simultaneously despite checking the
mechanical connection between the bus node and the device
(disassembly -> assembly)
Remedy: Proceed as follows:
1. Disconnect the operating voltage.
2. Check the assembly and/or re-establish the cable connec-
tion between the bus node and connected devices.
3. Switch voltage on again.
X1 and/or illuminate or flash green.
3.1.4 Check fieldbus communication
•
Compare the desired baud rate with the baud rate set on
the bus node (DIL switch setting).
•
Compare the desired Node ID with the Node ID set on the
bus node (DIL switch setting).
Information relating to installing the bus node can be found in
Part I of the product documentation entitled “Installation and
Interface manual”, which is supplied with the bus node.