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Logic3 T - User Manual

Logic3 T
36 pages
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ogic
L 3
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.
This Operator Features
the Enhanced
Radio Receiver
Built on Board
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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Summary

Specifications

Operator Specifications

Details motor type, horsepower, speed, voltage, current, transformer, and wiring type.

Preparation

Installation

Entrapment Protection Accessories

Information on installing optional photo eyes and sensing edges for safety.

Adjustment

Limit Switch Adjustment

Procedure for setting the door's open and close travel limits using limit nuts.

Emergency Disconnect System

How to disconnect and reconnect the door from the operator for manual operation.

Power & Ground Wiring

Power Wiring Connections

Detailed instructions for connecting the main power supply to the operator.

Ground Wiring Connections

Procedure for properly grounding the operator unit for electrical safety.

Control Station Wiring & Installation

Control Wiring Connections

Steps for connecting the control station wiring to the logic board.

Diagrams

Programming

Determine and Set Wiring Type

Guidance on selecting the correct wiring type using the selector dial.

Programming

Failsafe Wiring Types

Descriptions of various failsafe wiring types and their operational characteristics.

Automatically Learned Programming

Optional Programming

Resetting Factory Defaults - Clearing Memory

Procedure to reset user-installed settings back to factory defaults.

Troubleshooting

Diagnostic Chart

Chart correlating logic board LEDs with potential faults and definitions.

Troubleshooting Guide

Operator Not Responding to Commands

Troubleshooting steps when the operator fails to respond to any input.

Power or Stop LED Issues

Diagnosing problems related to the power or stop button LEDs.

Door Movement Faults

Resolving issues where the door moves partially or stops unexpectedly.

Slow Close Delay

Troubleshooting a five-second delay before closing with constant pressure.

Troubleshooting Error Codes

Error Code Descriptions

Explanation of MAS LED flashes indicating operator errors and their corrections.

Logic3 T Specifications

General IconGeneral
BrandLogic3
ModelT
CategoryGate Opener
LanguageEnglish