# 🔑Troubleshooting

{% hint style="success" %}
**📅Update: 2020/09/30**
{% endhint %}

Read the corresponding solution for the issue by clicking the page link to the particular topic below or jump to the corresponding page in the LEFT/TOP LEFT navigation list. 

## Most Common Issues

{% content-ref url="/pages/-Lvh\_bOelUKOicnvvHrq" %}
[Fix the clogged 3D printing nozzle](/faq-troubleshooting/troubleshooting/troubleshooting.md)
{% endcontent-ref %}

{% content-ref url="/pages/-M9MssjHC4HoRScFnWh3" %}
[DexArm couldn't connect to my computer](/faq-troubleshooting/troubleshooting/troubleshooting-cant-connect.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MEvhu2oGbZ9wszNpW-Y" %}
[Failed to upgrade Rotrics DexArm's Firmware](/faq-troubleshooting/troubleshooting/failed-to-upgrade-rotrics-dexarms-firmware.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MEvhSFSi0cOEaMx7ArM" %}
[DexArm beyond limits/stuck problem](/faq-troubleshooting/troubleshooting/dexarm-beyond-limits-stuck-problem.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MEvlG-ZIA-GrJtQDdYT" %}
[DexArm movement accuracy problem](/faq-troubleshooting/troubleshooting/dexarm-movement-accuracy-problem.md)
{% endcontent-ref %}

## General

{% content-ref url="/pages/-MXtU7ShwduFT7O9wyG5" %}
[“G-code sending task started...”  Error](/faq-troubleshooting/troubleshooting/g-code-sending-task-started...-error.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MEvhu2oGbZ9wszNpW-Y" %}
[Failed to upgrade Rotrics DexArm's Firmware](/faq-troubleshooting/troubleshooting/failed-to-upgrade-rotrics-dexarms-firmware.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MEvhSFSi0cOEaMx7ArM" %}
[DexArm beyond limits/stuck problem](/faq-troubleshooting/troubleshooting/dexarm-beyond-limits-stuck-problem.md)
{% endcontent-ref %}

{% content-ref url="/pages/-M9MssjHC4HoRScFnWh3" %}
[DexArm couldn't connect to my computer](/faq-troubleshooting/troubleshooting/troubleshooting-cant-connect.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MCBo5rKAJxLaxnUq1\_d" %}
[How to Fix a Black Screen after upgrading the firmware?](/faq-troubleshooting/troubleshooting/troubleshooting-black-screen.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MFZNDZMskCfA9t1Iz8x" %}
[Rotrics Studio "Internal error occurred"](/faq-troubleshooting/troubleshooting/rotrics-studio-internal-error-occurred.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MEvlG-ZIA-GrJtQDdYT" %}
[DexArm movement accuracy problem](/faq-troubleshooting/troubleshooting/dexarm-movement-accuracy-problem.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MITNalokfW0V2l8UlR9" %}
[Safety enclosure wiring changes](/faq-troubleshooting/troubleshooting/safety-enclosure-wiring-changes.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MJQWYF7BbIibLkHzAHK" %}
[Software connect problem after safety enclosure installed](/faq-troubleshooting/troubleshooting/software-connect-problem-after-safety-enclosure-installed.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MIIR4dKfchOzyrX51rs" %}
[Replace the cracked case](/faq-troubleshooting/troubleshooting/cracked-case.md)
{% endcontent-ref %}

## Drawing & Writing

{% content-ref url="/pages/-MEvlO1\_gkbegGFSn25J" %}
[The pen doesn't write with ink](/faq-troubleshooting/troubleshooting/the-pen-doesnt-write-with-ink.md)
{% endcontent-ref %}

## Laser Engraving

{% content-ref url="/pages/-MIHbOV6av1LC2A0ca\_0" %}
[Laser module won't light](/faq-troubleshooting/troubleshooting/laser-module-wont-light.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MITNalokfW0V2l8UlR9" %}
[Safety enclosure wiring changes](/faq-troubleshooting/troubleshooting/safety-enclosure-wiring-changes.md)
{% endcontent-ref %}

## 3D Printing

{% content-ref url="/pages/-Lvh\_bOelUKOicnvvHrq" %}
[Fix the clogged 3D printing nozzle](/faq-troubleshooting/troubleshooting/troubleshooting.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MEvls1u9ldu2hiH4efb" %}
[3D printing module won't heat up](/faq-troubleshooting/troubleshooting/3d-printing-module-wont-heat-up..md)
{% endcontent-ref %}

{% content-ref url="/pages/-MKhsxR38CaTdmhOIYVG" %}
[The Arm doesn't move, only filament comes out](/faq-troubleshooting/troubleshooting/the-arm-doesnt-move-only-filament-comes-out.md)
{% endcontent-ref %}

## Teach\&Pneumatic

{% hint style="info" %}
If you couldn't find any solution for the problem you met, please email <support@rotrics.com>
{% endhint %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://manual.rotrics.com/faq-troubleshooting/troubleshooting.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.