
081222 v2.11-RiA
Operating instructions SG-EFS 104/2W
Page 15/19
Maintenance and cleaning
LEDs
Outputs
Meaning
Power
green
Sensor
green
Output
green
Fault
red
13, 14
23, 24
41, 42
M1
M2
LED off:
LED on:
Open Closed
LOW
LOW No supply voltage
Open Closed HIGH
HIGH Supply voltage connected; sensor not
activated; no reset signal
Closed Open
HIGH
HIGH Control unit ready for operation
Open Closed
LOW
HIGH Sensor activated
Open Closed
LOW
LOW Fault on sensor (cable break)
Correlations
Recommissioning
Decommissioning
Ä
Carry out the commissioning process (see
Commissioning
).
Ä
Disconnect the protective device and secure it to prevent unintentional recon-
nection.
Ä
Attach a clear notice to the protective device stating that it is temporarily or
permanently out of service.
Cleaning
Ä
Clean the outside of the enclosure with a dry cloth.
Maintenance and cleaning
Maintenance
The control unit is maintenance-free.
Ä
Repeat the functional test monthly.