Rockwell Automation 1000 Safety Lockout System - Manual (Page 26)

Publication 1000-UM001B-US-P - July 2000
5-2 Troubleshooting Guide
Safety contacts
between terminals
#13 and #14 will
not close Safety relay SR Bad SLS switch SLS switch Replace SLS switch. No
Fault, opens or
short in SLS
cable SLS cable Repair or replace cable. No
1CR jammed on 1CR for operation Replace if necessary. No
IC jammed on For operation Replace entire contactor ass’y. No
Power circuit to
safety relay open Power LED off Reset power supply. —
Failed safety
relay LEDs during operation Replace. No
Safety relay 1SR Power circuit to
safety relay open Power LED off Reset power supply. No
Failed safety
relay LEDs during operation Replace. No
Won’t pick up 1CR Open coil Flash light coil Replace. No
Open circuit to
coil — — —
Welded contacts — Replace. No
Won’t drop out Welded contacts — Replace. No
Foreign material
jam — Replace. No
Table 5.A SLS Box (Continued)
Problem Component Possible Cause Check Suggested Action Repairable?