Rockwell Automation Allen-Bradley Guard master 442G-MAB Series - Troubleshooting and Assistance; LED Indicator Troubleshooting Guide; Troubleshooting: DIA Illuminated, State Not Illuminated; Troubleshooting: DIA Illuminated, State Flash 1 x

Rockwell Automation Publication 442G-UM001B-EN-P - May 2016 59
Appendix A
Troubleshooting and Assistance
Status/Diagnostic LED
Indicators During
Troubleshooting
DIA LED Illuminated and State LED Not Illuminated
Fault: Internal fault.
Possible causes:
•Data error
• Locking arm is blocked
• Internal component fault
Remedy:
1. Check whether the locking arm is blocked (possibly by the bolt of the
handle assembly).
2. Switch off the voltage at all devices or press the reset button (if present) that
controls ALL integrated reset inputs in the series connection.
3. Close the door.
4. Switch the voltage on again or release the reset button.
5. Wait until the State LED flashes at regular intervals. 
The 442G-MAB is now ready for operation again.
DIA LED Illuminated and State LED Flashes One Time
Fault: Fault during handle configuration or invalid DIP switch position.
Possible causes:
• Invalid DIP switch position
Power
State
DIA
Lock
Power
State 1 x flash
DIA
Lock