Question about Weiser Lock Powerbolt 1000 Lock

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Dead-bolt in power bolt won't move

I've had my power-bolt for about 3 years, and very happy with it. Suddenly the dead-bolt just won't move. Makes a noise and moves about 3 mm in or out. Replaced the batteries (2x) to no avail. Is it just worn out??
It doesn't get used more than 2x per day.

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  • D200user Feb 24, 2009

    Mine does the same. I replaced the batteries a couple of times. The small motor inside with a worm gear that runs on another regular gear moves but the bolt itself does not. I will have to try and get warranty on this if possible but I can't find my receipt. My local Home Hardware here in PEI, Canada says they have to send it out for store credit, if under warranty, and I would have to buy another then if the credit comes thru I will get a refund. I would love to tear it apart and find where things are not working but that would void my warranty for sure. If you get yours fixed post a reply.


    Brian in PEI , Canada



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The problem is with the small o-ring that is located on the main gear which is located under the sealed housing on the electronics board.
You need be carefull not to loose any of the small parts.
First you must remove the assembly that is located on the inside of your door. That will be the part with the electronics and batteries. Then place that part on a table with the knob facing the table. You will see 4 very small screws. Remove them. Just above the top screws that you just removed you will see a plastic retainer with 2 gears under it. It is right next to the the motor and worm gear. Holding that retainer down are 2 washer clips. Using a small very thin screw driver, CARFULLY remove those clips. The retainer will slip off and you can remove the asembly wear the knob is located. You will see a large flat gear that is attached to the knob shaft. Remove that gear by twisting the knob as you pull the gear. After the gear is removed, turn it over and you will see a black O-ring in the center. Use your small screw driver to pry it out. That ring is warn and you will need to replace it. You should be able to get it at your locale hardware store.
Put everything back in reverse order. Add a very small amount grease to the gears and you will be back in business. (((Remember to use a grease that will not harm the plastic parts)))

Posted on Mar 18, 2009

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I had the same problem about 2 months ago. Contacted Weiser Canada via their web site ( for a replacement under warranty (the Powerbolt has a lifetime mechanical guarantee). Once i explained the situation, they didn't hesitate to send me a new set of "guts" for the lock (electronics board, etc.) Strikes me that this is a known design flaw, since there was no hassle with the replacement part. Hope this helps,


Posted on Jun 11, 2009

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I used the solution of replacing the O-ring as described above. This made the unit tighter. Along with the O-ring, I removed the dead-bolt assembly and liberally sprayed it with WD-40 to clean out the years of dirt/debris. The dead-bolt slides freely as well. The unit works like new again.

One thing to note, this is my 3rd powerboard and when I disassembled each unit, I found that the 4 screws on the back of the powerboard (door facing side) all had broken screw retainers. I am not sure why they are broken as the units have not been disassembled prior. The plastic was brittle and disintegrated when removing the screws.

BTW, Weiser is sending me out a new replacement board, so I had nothing to lose. Now I have a new powerboard to replace the unit when it fails for good.

Posted on Sep 01, 2009

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If you got the lock fixed, good for you. If not one solution is to remove it. I would be happy to buy it and try to fix it if your price is very low.

Posted on Apr 08, 2009

  • Vern Johnson
    Vern Johnson Apr 24, 2009

    I have just obtained several new electronic units for the weiser powerbolt 1000. I will by happy to sell you a new unit to replace the one you are struggling with.


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