Questions tagged [repair]
Bricks, pieces and other elements sometimes break, deform, stop working, or get otherwise damaged - perhaps we can help you fix them?
13
questions with no upvoted or accepted answers
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Oil for old 4.5V motor? (UK)
I've just got my old LEGO Technic motor from my loft. It works but squeals in a way I don't remember it doing (35 years ago). I assume some lubrication would help and I've seen references to 3-IN-ONE ...
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Fix Lego M Motor - The hooks aren't budging
I have a Lego M motor that is broken. I'm following the instructions here to try to fix it but the little tabs that hold the plastic frame together just won't budge no matter how hard I'm pushing them ...
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IR remote 8879 - cannot control speed of the motor
I got the 7938 train set for my kid.
I hook up the battery to the receiver and try the IR remote 8879 with it.
The motor starts running/spinning, but I can not control the speed with the orange "...
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what plastic is used in the floatable hull of 60266 Ocean Exploration ship?
I need to know what plastic is used for the hull (dark blue) of the 60266: Ocean Exploration Ship, in order to glue a reinforcement on.
I bought this for my boys (younger than the advertised 7+). It ...
5
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How do I fix a loose joint between the top and bottom of the digger base?
How do I repair a loose-fitting joint between the top and bottom of the Duplo digger base? It has been used for only about a year. Is the wear more likely on the top or the bottom piece?
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4
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Repairing a 12V switch motor
My son caused me to dig up my old 12V lego trains. Surprisingly they mostly work, except for one part:
https://www.bricklink.com/v2/catalog/catalogitem.page?P=70026&idColor=9#T=C&C=9
This is ...
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4
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Lego Mindstorms NXT 2.0 Not turning on
I have a Lego Mindstorms NXT 2.0, which worked well for a couple of years.
However, after the last few weeks, it seems to not boot up. I took it apart, and noticed it seems to have a different ...
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How do you open this thing without damaging it?
It's a 9008 DUPLO Activity Set from 1986. Looks like this on all the boxes.
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Fixing a LEGO M Motor connector
I have several broken "Powered Up" M motors and I took one apart to see what was wrong. I ended up snipping off a section of the wire and re-soldering it back together but testing with an ...
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NXT Sensors/Motors not working
I went back to using the NXT brick after two years and I'm having some problems:
Motors do not respond to degrees or rotations;
Ultrasonic Sensor and Color Sensor are not working;
Touch Sensor is ok;
...
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1
vote
1
answer
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Calibration Freeze on D11
I've read through similar posts, but haven't seen exactly the same issue. Built it once, and froze during several calibration attempts. Stripped it all down, rebuilt it very carefully and still have ...
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LEGO Express 60197 displays low battery
Using new batteries to power the controller - however on connecting the app using Bluetooth the status immediately shows low battery.
Uninstalled the app and reinstalled it with new set of batteries, ...
- 11
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Mindstorms Robot Inventor Hub killed
I was messing around with my 51515 Robot Inventor Hub (I think it's the same as SPIKE Prime) and (THIS IS A BAD IDEA DO NOT ASK ME WHY I DID IT AND DO NOT TRY IT AT HOME I KNOW THEY DON'T GO IN THERE) ...
