
Maintenance
Troubleshooting
MagneMover LITE User Manual
21
Rockwell Automation Publication MMI-UM002E-EN-P - March 2016
Light Stack Troubleshooting
This section covers the determination of light stack related problems within the MagneMover
LITE transport system.
Table 7-9: Light Stack Related Troubleshooting
Symptom
Problem Description
Corrective Action
Lights do not turn on.
Power to the light stack is lost or
intermittent.
Ensure all wiring to the light stack
is properly seated.
Verify voltage output from the
power supply.
Light stack is not wired properly.
Ensure all connections to the light
stack are properly wired (refer to
).
Ensure the bits specified in the
Configuration File are the bits
connected to the light stack.
Light stack is not configured
properly.
Ensure the light stack is config-
ured to monitor the appropriate
Paths and/or Nodes.
Yellow light does not turn off.
Light indicates one or more faults. Review the log file to determine
the fault (refer to the
Node Con-
troller Web Interface User’s Man-
ual
).
Red light does not turn off.
Light indicates vehicles stopped.
Send a move vehicle command to
any vehicle on the Paths or Nodes
being monitored by the light
stack.