10
EN
SLC 430
Operating instructions
Safety light curtain
6.3 Fault diagnostic
Failure/malfunction
Possible causes
Check and elimination
Although being clear, the protec-
tion field is not enabled after the
actuation of the command device,
indicator lamp green
No contact of the wiring from the output relay to the
machine control
Check terminals and re-wire if necessary
Defective fuse in output relay
Check fuse F5/F6
Although being clear, the protec-
tion field is not enabled after the
actuation of the command device,
indicator lamp red
Both or one of the sensors incorrectly wired to the
safety-monitoring module
Check polarity and bus connection of the terminals
Translucent surface of the sensors highly soiled
Clean surface
Malfunction of one or more beams
Contact the customer service department
Although being clear, the protection
field is not enabled after the actu-
ation of the command device, no
indication from indicator lamp
Safety-monitoring module's supply voltage missing
Check terminals and re-wire if necessary
Malfunction of the fuse of the supply voltage input
Check fuse F1
Protection field clear, but no enabling
Normal operation - LED 5 (red) emits every 3 seconds the following flash impulses
Permanent flashing
Synchronisation error
Exchange safety-monitoring module
1 flash
Error self-test
Exchange safety-monitoring module
2 flashes
Communication error
Exchange sensor pair, check cable pair
3 flashes
Communication Sensor E
Check cable E, exchange sensor pair
4 flashes
Communication Sensor R
Check cable R, exchange sensor pair
5 flashes
False plant parameters
Check plant components assignment
7. Disassembly and disposal
7.1 Disassembly
The safety switchgear must be disassembled in a de-energised condi-
tion 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
Industrielle Sicherheitsschaltsysteme
Möddinghofe 30
D-42279 Wuppertal
Tel:+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. schmersal.com
Repair handling / shipping:
Safety Control GmbH
Am Industriepark 11
D-84453 Mühldorf / Inn
Tel.: +49 (0) 8631-18796-0
Fax: +49 (0) 8631-18796-1
