9am to 5pm pacific time

Transmitter does not work

Cause Solution Incorrect remote Green Antenna = 433Mhz Purple Antenna = 315Mhz Gray Antenna = 390Mhz (Antenna is the coiled wire located behind red and black buttons on the top of the operator) Transmitter not programmed Refer to Owners Manual or see programming instructions at OpenSesameDoor.com Dead battery on transmitter Replace battery, refer to the […]

Door does not close

Cause Solution Not enough force M233: adjust clutch by rotating the red or silver ring on the clutch. If more force needed (both models) call for technical support. Battery Failure Recharge or replace battery. Check battery voltge with a volt meter. Disconnect battery leads first. Measurement should read between 13 and 13.5 VDC when fully […]

Door goes the opposite way

Cause Solution Direction of Slide Switch towards wrong side. Move Slide Switch towards hinges. With parallel mount, Slide Switch should be away from hinges

Strike does not release door latch

Cause Solution Clutch is engaging and keeps running so it wont let you open the door Battery Failure-Turn off operator and recharge. Replace battery if it’s 3-5 yrs old. Check battery with volt meter. Disconnect battery leads first. Fully charged: 13-13.5 VDC Bad wiring/door cord/RJ-11 Use Strike Tester provided to see if strike will release, […]

Door moves slower upon opening/closing

Cause Solution Battery Failure Recharge or replace battery (3-5 year life expectancy), Check battery with volt meter. Disconnect battery leads first. Fully charged battery should read 13-13.5 VDC.

Operator only works in one direction

Cause Solution Bad Bottom Board – On older units Test by: Sliding the directional switch to the opposite direction. Open the door half way, now press and release the test button (M133) door should open further if it doesn’t then there is a bad bottom board. M233 door should open automatically. If it does not, […]

Door does not delay

Cause Solution Incorrect Close Delay setting Adjust Close Delay knob (5-35 sec) Bad Top Board Replace Top Board

Door does not open

Cause Solution Red light on board not on H Sensor and red dot not aligned Loose Connections Check & secure all connections Battery Failure Refer to battery testing instructions. Turn operator off if recharging is needed or replace battery if it’s 3-5 years old. Check battery with volt meter. Disconnect battery leads first. Blown fuse […]

Remote Control Batteries

The batteries used in our transmitters are shown below. They can be obtained at your local drug stores.
2-button transmitter
4-button transmitter
Replacement Battery = 12v 23A
keyless entry push pad
large wireless wall push pad commercial door opener
narrow wireless wall push pad
vertical push pad
Replacement Battery = 9v
push button door opener keychain transmitter
Replacement Batteries (2) =
3v 2016
push button door opener wireless wall touch pad
Replacement Battery =
3v CR123