EasyManua.ls Logo

Chamberlain 3850PC User Manual

Chamberlain 3850PC
80 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
GARAGE DOOR OPENER
Model 3850PC
For Residential Use Only
Owner’s Manual
Please read this manual and the enclosed safety materials carefully!
Fasten the manual near the garage door after installation.
The door WILL NOT CLOSE unless the Protector System
®
is connected and properly
aligned.
Periodic checks of the opener are required to ensure safe operation.
The model number label is located under the light lens on the left side panel of your
opener.
®
C
o
m
p
a
t
i
b
l
e
w
i
t
h
S
e
e
P
a
g
e
2
9
f
o
r
D
e
t
a
i
l
s

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Chamberlain 3850PC and is the answer not in the manual?

Chamberlain 3850PC Specifications

General IconGeneral
TypeBelt Drive
Horsepower1/2 HP
Smart TechnologyYes
Battery BackupYes
Remote ControlYes
Voltage120V
Frequency60Hz
SecuritySecurity+ 2.0
Remote Controls Included2
Security+ 2.0Yes
Operating Voltage120V
Operating Frequency60Hz
Lighting SystemLED
Motor TypeDC
Drive TypeBelt
Keyless EntryOptional
Maximum Door Height7 feet
WarrantyLifetime motor warranty, 5 years on parts, 1 year on accessories

Summary

Introduction

Safety Symbol and Signal Word Review

Explains hazard symbols and signal words for safety warnings in the manual.

Preparing your garage door

Instructions on checking door balance, locks, and ropes before opener installation.

Assembly

Attach the Rail to the Motor Unit

Connects the opener rail to the motor unit using specific bolts.

Set the Belt Tension

Adjusts belt tension using the trolley nut for optimal performance.

Attach the Belt Cap Retainer

Secures the belt pulley cover to the motor unit for safety.

Installation

General Installation Instructions

Crucial safety warnings and general instructions for safe installation.

Header Bracket Installation

Guides on finding the correct position for the header bracket.

Rail and Opener Mounting

Steps to attach the rail to the header bracket and mount the opener.

Door Control and Wiring

Instructions for installing the door control and routing its wire.

Safety Reversing Sensor Installation

Details on installing the safety reversing sensors.

Door Bracket and Arm Connection

Instructions for fastening the door bracket and connecting the door arm.

Adjustment

Program the Travel Limits

Sets the open and close limits for the garage door.

Set the Force

Adjusts the force required to open and close the door.

Test Safety Systems

Verifies the safety reversal system and protector system functionality.

Operation

Safety Instructions

Crucial safety warnings for operating the garage door opener.

Using the Opener Controls

Explains how to activate and use the opener with various controls.

Wall-Mounted Door Control Features

Describes features of the smart control panel like light and lock.

Remote Control Operation

Information on using the remote control and its battery.

Optional Systems

EverCharge® Standby Power System

Details on installing, testing, and charging the optional standby power system.

Maintenance & Troubleshooting

Manual Door Operation

Instructions for opening the door manually using the release handle.

Routine Maintenance

Provides a maintenance schedule for the garage door opener.

Troubleshooting Common Issues

Guides on diagnosing and resolving common opener problems.

Diagnostic Chart & Messages

Lists error codes, symptoms, and solutions for opener malfunctions.

Programming

Remote Control Programming

Instructions for programming remotes using the learn button or door control.

Keyless Entry PIN Management

Steps to add, reprogram, or change a Keyless Entry PIN.

Parts & Service

Repair Parts Identification

Lists and illustrates parts for the opener rail and installation.

Motor Unit Assembly Parts

Illustrates and lists the internal components of the motor unit.

Available Accessories

Lists optional accessories for enhancing opener functionality.

Service and Warranty Information

Provides contact information for service and details of the limited warranty.

Related product manuals