GENIE 39155R.S AC Opto Sensor Instruction Manual

: June 12, 2024
: GENIE

Table of Contents

GENIE 39155R.S AC Opto Sensor
Product Information
Product Usage Instructions
Assembly Replacement
Documents / Resources
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)

GENIE 39155R.S AC Opto Sensor

GENIE-39155R-S-AC-Opto-Sensor-product

Product Information

The product is an AC Opto Sensor Assembly. It is a component that is part of a larger unit, which requires removal from its mounting hardware for repairs. The user is advised to refer to the Owners Manual and/or Installation Poster for proper assembly and to carefully read and understand all warnings and cautions pertaining to the unit.

Product Usage Instructions

Before starting the repair, ensure that electrical power has been disconnected from the input power lines.
Disconnect the door from the opener and ensure it is in the closed position before proceeding with any repairs.
Prior to removing the motor cover, make sure that people and objects are clear of the door opening.
Use the emergency release cord on the carriage to disengage the opener and close the door if necessary. If unable to lower the door using the opener, manually close the door with extreme caution.
Unplug the opener power cord from the power receptacle.
To access the lens cover, press the middle tab inward to swing it down and remove the light bulbs.
Mark wires to facilitate replacement and remove wall connections.
Remove two 5/16 screws securing the powerhead cover to the chassis and swing it open to expose the control board.
Remove the grounding wires (green) from the chassis.
Unplug the harnesses from the control board.
The powerhead cover can now be completely removed from the opener chassis.
Remove the yellow and orange motor wires connected to the start capacitor.
Remove three motor mounting bolts from the motor frame and detach the motor assembly.
Using an 11/32 socket or nut driver, press down on the encoder wheel mounting clips while pulling the wheel off of the spline shaft.
Remove the screw(s) holding the encoder to the motor frame and detach the encoder.
Remove the e-ring holding the motor gear to the motor shaft, and then remove the motor gear.
Install the replacement encoder assembly with screw(s).
Install the motor gear and e-ring onto the motor shaft.
Snap the encoder wheel into place, ensuring that the interrupter fins face the encoder.
Reinstall the motor assembly in reverse order.
Ensure that all harnesses are installed in the correct position, with locking tabs facing each other.
Hang the powerhead cover onto the chassis to install the harnesses.
Check the type of circuit board installed in the opener and use the appropriate harness included with the kit.
If equipped, install the ground wires onto the chassis.
Install the powerhead cover onto the chassis using two 5/16 screws.
Finally, install the rail to the motor head assembly using the coupler, mounting flange, and six 7/16 self-tapping screws.

Assembly Replacement

This repair will require removal of the unit from it’s mounting hardware and repairs made on a clean work surface. Refer to your Owners Manual and/or Installation Poster for proper assembly and carefully read and understand all warnings and cautions pertaining to your unit.

WARNING

BE SURE ELECTRICAL POWER HAS BEEN DISCONNECTED FROM THE INPUT POWER LINES PRIOR TO REMOVING THE MOTOR COVER.
ANY AND ALL REPAIRS MADE TO THIS UNIT MUST BE PERFORMED WITH THE DOOR DISCONNECTED FROM THE OPENER AND IN THE CLOSED POSITION.

Before pulling emergency release cord, make certain people and objects are clear of door opening. Pull emergency release cord on carriage to disengage opener to close door if necessary. If unable to lower door using opener, use extreme caution manually closing door.
Unplug opener power cord from power receptacle.
Open lens cover by pressing middle tab inward to swing down and remove light bulbs. FIG. 1.
Mark wires to help facilitate replacement and remove wall control and Safe-T-Beam wires from terminal block located on side of opener FIG. 1. Use small common screwdriver to press in on orange tabs while gently pulling wires from block.
Remove the cotter pin & clevis from door arm to separate door from opener. FIG. 2.
Remove motor head and rail assembly from mounting brackets/ hardware and set on a clean work surface.
Remove the 6-7/16” self tapping bolts from the rail/motor mounting straps and pull rail from motor head. FIG.3. Set rail assembly aside.
Remove two 5/16” screws securing powerhead cover to chassis and swing open to expose control board. FIG. 4.
- NOTE: Do not remove control board from cover, shown for clarity only.
Remove grounding wires (green) from chassis. FIG. 6B.
Unplug these harnesses from control board. FIG. 5.
- Motor harness
- Opto harness
- AC in harness
Powerhead cover can now be removed from opener chassis.
Remove yellow and orange motor wires to start capacitor FIG. 6A
Remove three motor mounting bolts from motor frame FIG. 6C. Remove motor assembly.
- NOTE: Your Motor Cover may differ in appearance than illustrated. Replacement instructions are identical.
Using an 11/32 socket or nut driver, press down on encoder wheel mounting clips while pulling wheel off of spline shaft. FIG. 7.
Remove and retain screw(s) holding encoder to motor frame and remove encoder. FIG. 8.
Remove and retain e-ring holding motor gear to motor shaft. FIG. 8.
Remove and retain motor gear. FIG. 8.
Install replacement encoder assembly with screw(s).
Install motor gear and e-ring to motor shaft.
Snap encoder wheel into place. (Interrupter fins face encoder.)
Install motor assembly in reverse order.
- Note: Be certain to install all harnesses in the correct position being sure to install with locking tabs facing each other. (Detailed in FIG. 5)
Hang powerhead cover to chassis to install harnesses.
- HARNESS NOTE: Check the type of circuit board installed in your opener (see FIG. 9). Use appropriate harness included with this kit.
Install ground wires onto chassis. (If equipped)
Install powerhead cover onto chassis using 2- 5/16” screws.
Install rail to motor head assembly using coupler, mounting flange and 6-7/16” self tapping screws.
Reinstall opener assembly in reverse order as removed. Reference your owners manual and installation poster.
Install wall control and Safe-T-Beam® wires.
Install light bulbs and close lens cover.
Plug opener into receptacle.
Clear and reprogram limit controls per owners manual.