Most chain drive openers suggest you tighten the chain so there s about 1 4 in.
How to fix broken garage door opener.
Of slack from the rail to the chain check your manual.
As with many such problems the most common problem is the simplest one the motor unit has been unplugged.
Also verify the antenna on the motor unit is in the proper placement.
Over tightening the chain will put excess wear and tear on the shaft and gears.
Check the chain tension.
If you re too far away this can cause a.
It s easy to blame the opener itself if your garage door doesn t open as expected.
It s also possible that the circuit breaker fuse or gfci outlet powering the door opener circuit has tripped or burned.
You may also need to reprogram your keypad or replace the batteries in it.
Look at the edges of the garage door from the inside and the outside to see if there is a misalignment somewhere or if one.
Garage door won t open all the way.
Watch more home repair diy videos.
You can save yourself a lot of time and money by checking the door over first.
Finally it s possible the garage door opener s motor.