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Emerson L20 - Safety Circuit Alarms

Emerson L20
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82 DCM00002 REV. 16
5.38 Safety Circuit Alarms
The Safety Control System within the Controller constantly monitors the system's safety
related components for correct operation. When this system detects a fault condition,
operation is interrupted and the system immediately goes to a safe state. A beeper is used
to signal a safety system alarm.
Use the following procedure to troubleshoot safety circuit alarms:
1. Verify that the 9-pin footswitch cable is properly connected to the back of the Controller.
2. Power down and then power up the Controller to reset the system.
3. If the alarm persists, call Branson Support.

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