Decko Insufficient Up Force or Weak Springs

Door opens only partially and stops; must be helped by hand to open fully.

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Safety Warning

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.

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Possible Causes

Up force set too low, Weak or broken torsion/extension springs, Heavy insulated door exceeding opener rating, Binding in tracks or rollers

How to Fix / Troubleshooting

Safety first: Spring work is dangerous; do not attempt to adjust torsion springs yourself.

Check door balance:

  • Disconnect the opener and lift the door manually.
  • If it is very heavy or will not stay open at mid-height, springs need professional adjustment or replacement.

Adjust up force (only if door is balanced):

  • Locate the UP force adjustment on the Decko opener.
  • Increase slightly (1/8–1/4 turn) and test opening.

If the door is not balanced, have a garage door technician correct the springs before relying on the opener.

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Repair Difficulty

Medium 3/5

Required Part

Garage Door Torsion Spring
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