
Operating Instructions
Non-Contact Safety Switch CES-I-BR-.-C07-…
24
(translation of the original operating instructions) 2510145-05-08/21
14. Status and error messages
14.1. LED indicator
LED
Color
STATE
green
DIA
red
Important!
If you do not find the displayed device status in the following tables, this indicates an internal device
fault. Contact the manufacturer.
Key to symbols
LED not illuminated
LED illuminated
1 x
inverse
LED illuminated, briefly goes off 1 x
quickly
LED flashes quickly (5 Hz)
slowly
LED flashes slowly (1 Hz)
3 x
LED repeatedly flashes three times
¨
LEDs flash alternately
14.2. Status messages
Operating
mode
LED indicator
Safety
outputs
FO1A /
FO1B
Door
position
signal
OD
Status
STATE
green
DIA
red
Self-test
5 Hz (5 s)
off
off
Self-test after operating voltage is switched on.
quickly
1 x
No communication with the BR/IO-Link Gateway.
Normal operation
on
on
Door is closed. The safety outputs of the preceding device in a series connec-
tion are switched on.
1 x inverse
off
on
Door is closed. The safety outputs of the preceding device in a series connec-
tion are switched off.
1 x
off
off
Door is open.
6 x inverse
on
on
Door is closed. The actuator is in the limit range. Door must be readjusted.
Teach-in operation
3 x
off
off
Device is in teach-in standby (see chapter
12.1. Teach-in function for actuator
(only for unicode evaluation) on page 22).
slowly
off
teach-in operation. Door is closed
.
¨
off
Positive acknowledgment after successful teach-in operation.
Err
or
or
1x inverse
off
depending
on the
error
14.3. Error messages on page 25.
LEDs