Symptoms
- Cord won't move in either direction
- Feels tight or resistant when pulled
- Blind partially stuck at an odd angle
- Cord visibly twisted where it enters the headrail
Likely causes
- CommonCords twisted together inside the headrailRepeated operation without fully extending or retracting can twist the cords over time.
- PossibleSlat caught on the ladder cord or tilt mechanismA slightly bent slat can snag the cords that run alongside it.
- PossibleDebris or a small object lodged in the headrailDust clumps or foreign objects can jam the mechanism.
- PossibleCord knotted at the bottom railKnots can form over time from repeated tugging.
What to do
- Lower the blind as far as it will go to see the full cord path and identify where it's jamming.
- Gently work the cord back and forth in small movements rather than pulling hard, which can make a tangle worse.
- Check the bottom rail for a visible knot and carefully untie it with your fingers or a pin.
- Remove the headrail's front cover, if it has one, to access and untangle cords directly.
- Inspect nearby slats for bending or misalignment and straighten any that are catching the cord.
- Vacuum or brush out dust and debris from inside the headrail.
- Once freed, operate the blind through its full range slowly a few times to redistribute the cords evenly.
Tools and parts
- Small brush
- Pin or needle (for knots)
When to call a pro
Call a blind repair service if you can't access the headrail internals or the tangle is too tight to work loose safely.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.