Henderson Insufficient Up Force or Mechanical Obstruction

Garage door will not fully open; stops part way without any error code.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Up force set too low, Weak springs, Obstruction in track, Binding top section

Safety first: Disconnect power before manual testing. Do not attempt spring adjustment yourself.

Steps:

Manual test: Disconnect the opener and lift the door by hand. If it is heavy or stops at the same point, call a professional to inspect springs and hardware.
Inspect tracks and header: Look for obstructions or rubbing near the top of travel.
Adjust up force: Increase the up force setting slightly and test. If the door still will not open fully, stop and have the door balance checked.

Medium 3/5

Henderson Torsion Spring Assembly

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