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Pella Door won't lock (3 point lock)

Home Improvement Asked on July 25, 2021

I’m going to share this question and answer it myself because someone else may have had this problem.

I have several Pella doors in my home with the 3 point locks (top and bottom “shootbolts” and a dead bolt near the handle). They have been problematic. The locking mechanism on a couple of rarely used doors would hardly work anymore (very stiff and wouldn’t lock anymore). So I disassembled them, cleaned up the runners and other parts, applied a good lube, reassembled and they worked again. They are a pain to take apart, re-adjust and reassemble.

Recently they started doing the same thing. I though oh no, not again. I didn’t initially consider there might have been a new cause. What could that cause be?

OK, that’s the teaser, I’ll answer my own question straight away (as our British friends would say). I hope that’s the right approach for SE, I think I saw somewhere you could answer your own questions.

One Answer

So I starting looking into the failure of my 3 point door locks and heard a clanking when trying to put them into the locked position. I realized that the "shootbolts" were slamming against the side of the door. Why? Was there an internal jam? A broken parts.

Turns out there is a small bottom plate with a hole that receives the shootbolt (pic attached) It was full of debris! I cleaned it out and the locks worked fine again. Easy as that. But I almost overlooked it because I had a previous mind-set about what was wrong and what the fix was. Sometimes I just make it too hard. Lesson learned: Look for the easy/simple stuff first.

I hope someone else benefits from the post and that I did it properly.

pic of bottom locking plate

Answered by George Anderson on July 25, 2021

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