Beckhoff EJ6910, Operation Manual

Page: 99 / 110

Operation
EJ6910 99 Version: 1.7.0
4.16 Diagnostics
4.16.1 Diagnostic LEDs
The LEDs Diag 1 to Diag 4 display diagnostic information for the EJ6910.
Fig. 145: EJ6910 diagnostic LEDs
4.16.1.1 LED indicators
Diagnostic LEDs
LED lit flashing off
Diag 1
(green) Environment variables,
operating voltage and internal
tests are in the valid range
• If Diag 2 flashes, a logic
error code applies
- Environment variables,
operating voltage and internal
tests are outside the valid
range
• If Diag 2 flashes, an
environment error code
applies
Diag 2
(red) Together with Diag 3 and 4:
Global shutdown
1)
has
occurred. (see diag history of
the TwinSAFE components)
Logic or environment error
code according to Diag1 and
tables below is output Together with Diag 3 and 4:
Global fault
1)
has occurred. (see
diag history of the TwinSAFE
components)
Diag 3
(red) Global fault or global shutdown
on µC1
1)
- No global fault or global
shutdown on µC1
1)
Diag 4
(red) Global fault or global shutdown
on µC2
1)
- No global fault or global
shutdown on µC2
1)
1. A global fault permanently disables the TwinSAFE component, so that it has to be replaced. A global
shutdown temporarily disables the TwinSAFE component. The error can be reset by switching off and
back on again.