User Manual

Publication 1000-UM001B-US-P - July 2000
5-2 Troubleshooting Guide
Sa fety c on tacts
between terminals
#13 and #14 will
not clo se
Safety relay SR Bad SLS switc h SLS switc h 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
Pow er LED off Rese t power sup ply. —
Failed safety
relay
L EDs du ri n g oper at i o n Re pl a c e . No
Safety relay 1SR Power circuit to
safety relay open
Pow er LED off Rese t power sup ply. No
Failed safety
relay
L EDs du ri n g oper at i o n Re pl a c e . No
Won’t pick up 1CR Open coil Flash light coil Replace. No
Open circ uit to
coil
—— —
Welded contacts — Replace. No
Won’t drop out Welded contacts — Replace. No
F or ei g n ma terial
jam
—Replace. No
Table 5.A SLS Box (Conti nued)
Problem Component Possible Cause Check Suggested Acti on Repairable?