LiftMaster J door operator - Manual

ogic
L 4
INSTALLATION MANUAL
L3
GT
T AND APT H, J, AND HJ
GH
A
L
E
R
T S Y S
T
E
M
M
A
IN
TENAN
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E
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 4 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
315MHz
NOT FOR RESIDENTIAL USE
Serial # Box
Installation Date
2 YEAR WARRANTY THIS PRODUCT IS TO BE
INSTALLED AND SERVICED
BY A TRAINED DOOR
SYSTEMS TECHNICIAN
ONLY.
Operators are shipped in C2
operating mode.
Visit www.liftmaster.com to locate
a professional installing dealer in
your area.
CONTACT INFORMATION