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Large Electric Gate Operators, Opening/Closing 1/2hp electric motor with many pinch points.
Home Maintenance and Structures
Doors & Windows
Automatic Garage Doors or Door Openers (138)
LiftMaster Chamberlean?
Stevens Pipe
7/28/2011 This date is an estimate
Installed 2-LiftMaster Gate Openers and Secondary Entrapment Photo-eye fails to react after Primary Entrapment has been activated.

Manufacturer sent new board and I installed but still same UL325 malfunction on both machines.

This malfunction was tesedt by Manufacturer's tech at their testing area and was to send out their Tech's to our site, that was over a month ago no show.


The UL325 required Secondary Entrapment Equipment was designed by the Manufacturer and to STOP-REVERSE(-minimum-2inches) to RELEASE a Trapped Person and the Photo-eye checks good but boards have bad logic.

Other Public Property/Office 
Incident, No Injury
My friend / Neighbor / Co-worker
Many times, last week I told them to send hazard complaint to
Comment from Chamberlain 8/13/2012
Product safety is a top priority for Chamberlain. We promptly investigate each CPSC database incident report. All Chamberlain gate operators meet or exceed all industry standards, including UL325. Chamberlain has conducted extensive testing on this type of operator and cannot duplicate what the customer is stating. Our testing of this style of operator verifies that this operator continues to meet the provisions of Type A/B1/B2 entrapment protection as described in UL325, paragraph 31. Underwriter's Laboratory has also agreed with these test results. We encourage customers to provide additional information about incidents by calling 800-528-5880. Chamberlain takes customer feedback very seriously and uses such information to evaluate and improve our products.

CPSC does not guarantee the accuracy, completeness, or adequacy of the contents of the Publicly Available Consumer Product Safety Information Database on, particularly with respect to information submitted by people outside of CPSC.