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ogic
L
3
NOT FOR RESIDENTIAL USE
A
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T S Y S
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M
M
A
IN
TENAN
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PAT E N T P E N D I N G
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.
This Operator Features
the Enhanced
Radio Receiver
Built on Board
Serial # Box
Installation Date
2 Y E A R W A R R A N T Y
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
O
O W
W N
N E
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R ’’ S
S M
M A
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U A
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