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Commercial Door Operator Training

CDO 102-103: Norcross, GA, August 21st & 22nd, 2019

No access code required

This training event will focus on commercial door operator troubleshooting and advanced applications

Duration: 2 Days, 16 hours (Includes Course Exam)

Class Times: 8:00am – 4:00pm EST


The Chamberlain Group, Inc.
Norcross Distribution Center
6375 Best Friend Rd
Norcross, GA 30071

Credits: 16 CEU’s

Certificates: Troubleshooting, Advanced Applications

Costs: LiftMaster Authorized Dealer $400.00/ Unauthorized $800

Course Description

This is a hands on course, located in Norcross, Georgia. Students attending this course will learn how to properly install and service LiftMaster commercial door operators.


Course Content

UL325 standards

Common uses and applications

Job site safety

Electrical theory

Troubleshooting components


Entrapment protection options

Control device options

Common field modifications







Benefits of Attending

After attending this course, you will be able to:

Recognize safe commercial door operations

Select the right operator for the job

Learn to use reference materials to independently and quickly get answers to questions

Add auxiliary devices such as sensors, sirens and lights.

Make a cost effective recommendation to repair, replace or modify commercial door operators.

Install common field modifications


Course Format

Each participant will receive a comprehensive manual that includes a glossary of terms, references for additional reading, and copies of relevant handouts, standards, and regulations. 

Day one is dedicated to electrical theory, field related issues, and troubleshooting theory.

Day two is dedicated to advanced applications and field modifications. The unit material is reinforced by a 40 question written test and practical exam.

To receive a certificate of completion and CEU’s you must attend all 16 hours of the course and attain a 60% or better score on the exam.

Here is the course outline:

1. CDO Troubleshooting Presentation

2. CDO Modifications Presentation

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