CHAMBERLAIN C940 Garage Door Opener Instruction Manual
- June 13, 2024
- CHAMBERLAIN
Table of Contents
C940 Garage Door Opener
Instruction Manual
professional
DO NOT operate your garage door unless it is in full view and clear of
obstruction and is properly adjusted. No one should enter or leave the garage
whilst the door is in motion.
Do not allow children to operate push button(s) or remote. Do not allow
children to play near the door.
CHOOSING A BUTTON
You can use any of the three buttons to activate your door. If you have multiple doors or an automated gate you may use one of the other two buttons to activate it, provided you have a compatible receiver. For further details please refer to our web page.
ADDING REMOTES MT SERIES
- Press and hold the selected remote push button you wish to open the door.
- Press and release the orange “Learn” button (1) on the opener panel. The opener light will flash once. Release the remote push button. If no light bulb is installed, two clicks will be heard.
ADDING REMOTES MR SERIES
- Press and hold the selected remote push button you wish to open the door, the orange LED will flash.
- Press and release the purple “Learn” button (1) on the opener panel. The openerʼs courtesy LEDs will flash once. Release the remote push button. If you release the remote control push button before the opener light or LEDs flash, the opener has not accepted the code.
FOR GATES SEE GATE USER MANUAL
433MHz Rolling Code Remote Controls
C943 – Three-channel rolling code remote control
C945 – Three-channel rolling code mini remote control
C940- Single channel rolling code remote control
Suits: Merlin Professional products garage door openers.
MT60, MT600/MT1000, MT5580, MR600a/800a and Merlin Gate Motors MGS300/400,
MGA300 and MGS300/500/1000
Chamberlain does not recommend or endorse this accessoryʼs use with products
other than garage door or gate motors.
To Erase All Programmed Remotes/Codes
Press and hold the “Learn” button (1) on the opener panel until the indicator
light turns off (about 6-10 seconds).
Note: This procedure erases all codes from the operators memory.
- To add or re-program valid remotes into your opener, follow the procedure laid out in “ADDING REMOTES”.
NOTE: FOR GATE MOTORS CONSULT OWNERʼS MANUAL.
Replacing Batteries
Model C943/C940:
Insert batteries 10A20 (CR2032) x2 positive side up.
Model C945: Insert 1x battery 10A20 (CR2032) positive side up.
To replace cover, snap shut along both sides.The lithium batteries should
produce power for up to 5 years. To replace batteries, use a coin, the visor
clip or screwdriver blade to pry open the case, as shown (“Open” location is
stamped on back.)
Chamberlain Australia Pty Ltd
PO Box 1446
Lane Cove NSW 1595
Chamberlain New Zealand Ltd
P.O. Box 100-221
North Shore 0745
www.chamberlainanz.com 114A3376-1
©2007, Chamberlain
All rights reserved
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>