Safety Sensor User Manual User Manual

46 Rockwell Automation Publication 10000202762 Ver 00 - January 2012
Chapter 10 Fault diagnosis
Table 14 - Indications on completion of the teach-in
Status LEDs Diagnostics LEDs
Meaning Rectification of the error1234
  
Warning
Short-circuit or
overcurrent on
an OSSD
 Check the contactor. Replace, if necessary.
 Check the wiring for short-circuits or cross-
circuits.
  
Error
  
Warning
External device
monitoring
 Check the contactors and their wiring,
eliminate any wiring errors, if necessary.
 Switch the device off and back on again. Check
the configuration of the external device
monitoring (see page 12).
  
Error
  
Warning
Reset button
 Check the reset button for correct function. The
button may be defective or stuck.
 Check the wiring of the reset button for any
short-circuit to 24V.
  
Error
 
Warning
TEACH input
 Check the connection of the external key-
operated pushbutton for teach-in.
 
Error
 
Error System error
 Disconnect the supply voltage to the SC300 for
at least 3 seconds.
 If the problem persists, replace the unit.