15
SLG440
Operating instructions
Safety light grids
EN
6.2 Fault diagnostic
The light grid performs an internal self-test after the operating voltage is switched on and the protection field is enabled When a fault is detected, an
error number eg E1 is displayed at the receiver Each fault display is followed by a one-second delay
Status display
Fault feature
Action
Wiring error, operating mode not defined
(automatic or restart mode)
Check all connections at the receiver,
Jumper connection 1 or jumper connection 2 present?
Supply voltage
UB = 24V/DC+/- 10%, check voltage source and primary voltage, note: after
the fault message E2 has been displayed three times, a reset is executed
Error output (e), OSSD1 or OSSD2
Check the connections of both outputs, short-circuit of both OSSD,
connection to level 0V or 24V, deactivate external (relay) cross-wire short
monitoring
Contactor control (EDM)
EDM active: check connections of both NC contacts,
EDM not active: check level at Pin 8, open input
Beam blanking
Check the blanking area(s) of fixed or floating objects with the selected
parameter setting, fault elimination - repeat configuration in the parameter
setting, possibly adjust P 1, P 2, P 3
Configuration error in parameter setting
Check parameter setting and save/accept with "S" or delete/reset with
"C"
System error
Restart the system, if E 7 display persists, exchange components
The error display is reset after elimination of the error cause and after the receiver has been switched back on
The error indication displays a 3-digit system error code for every 10th display
7. Disassembly and disposal
7.1 Disassembly
The safety switchgear must be disassembled in a de-energised
condition only
7.2 Disposal
The safety switchgear must be disposed of in an appropriate manner
in accordance with the national prescriptions and legislations
8. Appendix
8.1 Contact
Consultancy / Sales
K. A. Schmersal GmbH & Co. KG
Möddinghofe 30
D-42279 Wuppertal
Phone +49 (0) 202 64 74 -0
Fax +49 (0) 202 64 74- 100
You will also find detailed information regarding our product variety
on our website: www schmersalcom
Repair handling / shipping
Safety Control GmbH
Am Industriepark 11
D-84453 Mühldorf/ Inn
Phone +49 (0) 8631-18796-0
Fax +49 (0) 8631-18796-1
