Chamberlain 050DCTBMC User Manual

1
Before you begin
1
Installation
RECEIVER LOGIC BOARD REPLACEMENT
Models 050DCTBMC and 050DCTBLKMC
1.2 To maintain your warranty,
place the provided label
over the existing label
on the end panel of the
garage door opener.
1.1 Remove the light lens by pulling
the top side of the light lens
and swing the light lens down.
Squeeze the light lens clips to
remove lens from end panel.
1.3 Disconnect electrical and battery
power (if applicable) to the
garage door opener.
Remove the receiver logic board
2
2.1 Disconnect the wires from the quick-connect terminals
(A). Disconnect any wires from the lock terminals.
Remove the receiver logic board end panel from the
garage door opener.
2.2 Unplug the wire harnesses from the receiver logic
board. You may need needle-nosed pliers, to
remove the harnesses.
2.3 Remove the receiver
logic board from the
end panel by removing
the 2 screws and
releasing the 2 clips.
To prevent possible SERIOUS INJURY or DEATH:
• Disconnect ALL electric and battery power BEFORE performing ANY
service or maintenance.
Screws
Wire clip
Clips
A
To insert or remove the wires from the terminal,
push in the tab with a screwdriver tip.
Lock
Terminals
Red White White Grey
Your garage door opener has an internal gateway located on the receiver logic board. After installing the new receiver logic board, use the myQ
®
serial number found on the provided label to add your
garage door opener to your myQ
®
account. The products illustrated in the instructions are for reference. Your product may look different. The logic board firmware has been updated. The update provides
a new Obstruction Notification that signals when the opener senses resistance, such as an obstruction or other binding in the door and rail system. The door will stop or reverse to open limit and the
opener will beep and the lights flash 5 times.
WARNING: This product can expose you to chemicals including
lead, which are known to the State of California to cause cancer or
birth defects or other reproductive harm. For more information go
to www.P65Warnings.ca.gov.
To prevent damage to the receiver/logic board, DO NOT touch printed
circuit board of replacement receiver/logic board during installation.
ALWAYS wear protective gloves and eye protection when changing the
battery or working around the battery compartment.
NOTE: 050DCTB replaces 050DCTWF and 050DCTBLK replaces 050DCTWFLK. 050DCTBMC replaces DCTB/DCTWF, and DCTBLKMC replaces DCTBLK and DCTWFLK.

Chamberlain 050DCTBMC Specifications

General

Brand	Chamberlain
Model	050DCTBMC
Category	Receiver
Language	English

Summary

Receiver Logic Board Installation and Removal

Before You Begin Installation

Review safety warnings and precautions before starting the receiver logic board replacement process.

Remove Receiver Logic Board

Instructions for disconnecting wires and physically removing the old receiver logic board from the opener.

Installing New Logic Board and Programming

Install New Receiver Logic Board

Steps for connecting wire harnesses, inserting the logic board, and reattaching the light lens.

Program Remote Using Learn Button

Procedure to pair a remote control with the garage door opener using the learn button.

Adjustment and Force Setup

Program the Travel Limits

Setting the open and close limits for the garage door travel.

Automatic Force Set Up

Automatic calibration of the opener's force sensing operation for door movement.

Safety System Testing

Test Safety Reversal System

Verifying the garage door reverses upon contact with an obstruction.

Test Protector System

Ensuring the safety reversing sensors prevent door closure with an obstruction.