LiftMaster Absolute Encoder, 3800P

Installation Instructions
1. Disconnect power.
2. Using a 1/4" socket head or Phillips screwdriver, remove the two screws located at the bottom of the operator, securing the cover
3. Remove cover
4. Disconnect 5-wire connector from the absolute encoder system
5. Remove the two screws securing the absolute encoder system to the opener
6. Slide or shift the absolute encoder system towards the front of the unit and pull out
7. Align the mounting tabs to the side panel. Push in the absolute encoder system
8. Secure absolute encoder with screws
9. Reconnect 5-wire connector
10. Replace cover and reconnect power
11. Refer to the owner’s manual for information on programming instructions for travel limits, setting forces, and testing the Protector System. Refer to the owner’s manual for information on the cable tension monitor and power door lock.

Please click here to download a copy of the manual for replacing a LiftMaster 41A6408 Travel Module/Absolute Encoder