Check the chain tension.
How to fix old garage door opener.
Sometimes a garage door that lowers just fine will fail to open especially in winter.
Garage door won t open all the way.
Of slack from the rail to the chain check your manual.
Also verify the antenna on the motor unit is in the proper placement.
Garage door openers manufactured after 1993 include sensors to prevent a door from closing on a child or pet.
If you re too far away this can cause a.
If your garage door won t open this video should really help.
Over tightening the chain will put excess wear and tear on the shaft and gears.
Lubricating rollers can also help with this problem.
You may also need to reprogram your keypad or replace the batteries in it.
Most chain drive openers suggest you tighten the chain so there s about 1 4 in.
If you garage door is lowering then reversing back to the open position there could.
How to fix a garage door opener the opener shown is the craftsman 1 2 hp 315 model howeve.