Error Code 42: LiftMaster Gate Operator No Battery Detected

This video demonstrates how to troubleshoot a LiftMaster gate operator that is not detecting a battery showing an error code of 42.
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This video is intended for demonstration purposes only.
The procedures demonstrated should only be performed by trained, professional installers and service technicians. Safe operation and servicing requires that you follow all instructions and safety advisories found in the manual.
To locate a trained, professional installer or service technician go to LiftMaster.com/locate-a-dealer.