This Operator Features
the Enhanced
Radio Receiver
Built on Board
O W N E R ’ S M A N U A L
GH
INDUSTRIAL DUTY COMMERCIAL DOOR OPERATOR
NOT FOR RESIDENTIAL USE
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PATENT PENDING
The Maintenance Alert System™ allows the
installer to set an internal Maintenance
Cycle Counter. The Logic 3 operator
incorporates a self-diagnostic feature built
into the (MAS) Maintenance Alert System
LED. An LED on the 3-button station will
signal when the set number of cycles/
months is reached or when the operator
requires immediate service.
Serial # Box
Installation Date
2 YEAR WARRANTY
315MHz
Visit www.LiftMaster.com to locate a professional
installing dealer in your area.
INTENDED FOR PROFESSIONAL
INSTALLATION ONLY
A SAFETY DEVICE IS HIGHLY RECOMMENDED
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