Operating Instructions
Safety Relay with IO-Link ESM-CB
22
(Translation of the original operating instructions) 2522722-01-05/19
13.1.2. Error messages
No.
Status
LEDs
State
DIA
red
PWR
green
STATE 1
green
STATE 2
green
K1/K2
green
IO-Link
green
5
Internal error
Module is not ready for operation.
6
Input error at S1
2x
X
External error: The channel 1 sensor circuit was opened and
reactivated, e.g. discrepancy error.
7
Input error at S2
2x
X
External error: The channel 2 sensor circuit was opened and
reactivated, e.g. discrepancy error.
8
Start button
error
2x
2x
X
Error in manual reset S34.
9
Output error
4x
X
External error: The read-back contact in the start circuit is
open.
Internal error:
1. Diagnostic contact does not work properly.
2. NO contact is fused closed.
10
Periphery error
5x
L+ low voltage.
11
Periphery error
5x
X
Supply (A1/A2) low voltage.
12
BR communica-
tion error
X
Check the ID/C or OD/C connection of the devices in the
series connection.
13
BR communica-
tion error on one
device
X
Check the correct function of the device in the series con-
nection.
17
Parameter error
3x
Incorrect IO-Link parametrization.
Key:
LED off
LED illuminated
3x
LED flashes three times
Rapid flashing
X
State-dependent