<p>My Cat D11 lego worked perfectly a few months then it stopped having full range of movements (blade, rear ripper, stairs) but still drives ok. When I try to calibrate, it starts the process but then it stops and nothing happens (no gearbox sound or movement). Any idea what to check/do?</p>

CC BY-SA 4.0
2023-11-07T20:10:31.960Z
Does this sound like the same issue you are having? https://bricks.stackexchange.com/questions/18325/calibration-freeze-on-d11
jncraton
CC BY-SA 4.0
2023-11-09T03:33:00.030Z
Yes very similar thanks!
Tiago
<technic><control-plus>
Cat D11 calibration starts then stalls
Tiago
# Cat D11 calibration starts then stalls

(Asked by: username_0 on 2023-11-07)

My Cat D11 lego worked perfectly a few months then it stopped having full range of movements (blade, rear ripper, stairs) but still drives ok. When I try to calibrate, it starts the process but then it stops and nothing happens (no gearbox sound or movement). Any idea what to check/do?

**Tags:** technic, control-plus

> **Comments:**
> **username_1**: Does this sound like the same issue you are having? https://bricks.stackexchange.com/questions/18325/calibration-freeze-on-d11  
> **username_0**: Yes very similar thanks!  

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