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Chamberlain 3122EM FS2 User Manual

Chamberlain 3122EM FS2
80 pages
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Owner’s Manual
Please read this manual and the enclosed safety materials carefully!
Fasten the manual near the garage door after installation.
Periodic checks of the opener are required to ensure safe operation.
The model number label is located on the front panel of your opener.
GARAGE DOOR OPENER
Models 3112EM FS2 • 3122EM FS2
For Residential Use Only

Table of Contents

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Chamberlain 3122EM FS2 Specifications

General IconGeneral
BrandChamberlain
Model3122EM FS2
CategoryGarage Door Opener
LanguageEnglish

Summary

Preparing Your Garage Door

Serious Injury Warning

Emphasizes calling technicians for door issues and avoiding tensioned parts.

Planning (Continued)

Safety Reversal System Warnings

Highlights risks from faulty safety reversal systems and gap requirements.

Gate Safety Warnings

Reinforces safety risks related to gate operation and maintenance.

ASSEMBLY STEP 1

ASSEMBLY STEP 1 (Continued)

ASSEMBLY STEP 2

ASSEMBLY STEP 3

ASSEMBLY STEP 4

ASSEMBLY STEP 5

Finger Injury Safety Warning

Safety warning regarding finger injuries from moving parts.

ASSEMBLY STEP 6

Finger Safety Warning

Safety warning about keeping hands clear of the opener.

ASSEMBLY STEP 7

INSTALLATION

INSTALLATION STEP 1

Header Bracket Mounting Warnings

Emphasizes secure header bracket mounting for proper reversal.

INSTALLATION STEP 1 (Continued)

INSTALLATION STEP 2

INSTALLATION STEP 3

INSTALLATION STEP 4

INSTALLATION STEP 5

Secure Opener Warning

Emphasizes secure fastening to prevent opener falling.

INSTALLATION STEP 6

Door Control Safety & Wiring

Safety warnings for placement, electrical connections, and wiring.

INSTALLATION STEP 7

INSTALLATION STEP 8

Emergency Release Safety

Safety warnings for using the emergency release handle.

INSTALLATION STEP 9

Electrical Safety Warnings

Safety warnings regarding electrical connections and grounding.

INSTALLATION STEP 10

INSTALLATION STEP 10 (Continued)

INSTALLATION STEP 11

INSTALLATION STEP 11 (Continued)

ADJUSTMENT STEP 1

Travel Limits Guidance & Warnings

Guidance on travel limit adjustment, including safety and cautions.

ADJUSTMENT STEP 2

Force Adjustment Guidance & Warnings

Guidance on force adjustment, including safety warnings.

ADJUSTMENT STEP 3

Test Safety Reversal System

Procedures for testing the door's safety reversal mechanism.

Safety Test Warnings

Safety warnings and requirements for testing the reversal system.

OPERATION

Important Safety Instructions

Comprehensive safety warnings for operating the opener.

Manual Door Operation

Manual Operation Safety Warning

Safety warnings for manual door operation.

Troubleshooting

Opener Not Operating

Troubleshooting steps for complete opener failure.

Troubleshooting (Continued)

Common Opener Problems

Addresses issues like auto-operation, incomplete travel, reversal, lights, strain, and chain sag.

PROGRAMMING

Keyless Entry PIN Programming

Motor Unit Assembly Parts

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