# How to diagnose why the Geeetech A10x display shows nothing

**URL:** <https://klipper.discourse.group/t/how-to-diagnose-why-the-geeetech-a10x-display-shows-nothing/679>\
**Category:** General Discussion\
**Created:** [August 9, 2021, 12:06am UTC](https://klipper.discourse.group/t/how-to-diagnose-why-the-geeetech-a10x-display-shows-nothing/679 "2021-08-09T00:06:26Z")\
**Posts on this page:** 1\
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**Author:** ![Sineos](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/sineos/32/18_2.png) [@Sineos](https://klipper.discourse.group/u/Sineos)\
**Post date:** [December 6, 2023, 4:18pm UTC](https://klipper.discourse.group/t/how-to-diagnose-why-the-geeetech-a10x-display-shows-nothing/679/18 "2023-12-06T16:18:02Z")

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> [@puttin\_in\_w0rk](#):
>
> I’m getting an ADC out of range error on the extruder temp sensor.

See [ADC out of range](https://klipper.discourse.group/t/adc-out-of-range/6643)  
It also very much depends on when you get this error:

- If only when heating up or when hot then most likely a defect thermistor or wrongly set max values
- If already at Klipper startup, it could be wrongly assigned pins, wrong limits or also a dead thermistor / defect wiring

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