Printed in the Federal Republic of Germany
TR-Electronic GmbH 2013, All Rights Reserved
08/31/2017
TR - ECE - BA - DGB - 0105 - 03
Page 99 of 103
9 Error Causes and Remedies
9.1 Optical displays
Assignment, see chapter “Bus status display” on page 83, Sercos-III-LED see as from
page 101.
Link / Activity - LED
Status
Cause
Remedy
OFF
No Ethernet connection
Check cable
Flashing,
green and
orange
Measuring system ready for
operation, Ethernet connection
established, data transfer active.
-
ON
green or
orange
Measuring system ready for
operation, Ethernet connection
established, no data transfer.
-
Encoder - LED
Status
Cause
Remedy
OFF
Voltage supply absent or too low
- Check voltage supply, wiring
- Is the voltage supply in the permissible range?
Connector plug not correctly
wired or screwed on
Check wiring and connector plug for correct fitting
Hardware error,
measuring system defective
Replace measuring system
ON, green
Measuring system ready for
operation
–
ON, red
Measuring system error (such as:
actual value skips- or EEPROM
error)
Try to restart the device: Voltage OFF/ON. If the
error arises repetitive, the measuring system must
be replaced.