# 8. Troubleshooting

- [By symptom](https://docs.source-robotics.com/PAROL-docs/1.1/08-troubleshooting/by-symptom/): the robot does not turn on, does not connect, moves wrong, stops, makes noise
- [Homing failures](https://docs.source-robotics.com/PAROL-docs/1.1/08-troubleshooting/homing-failures/)
- [Communication](https://docs.source-robotics.com/PAROL-docs/1.1/08-troubleshooting/communication/): serial ports, the 100 Hz loop, slow PCs
- [Known issues](https://docs.source-robotics.com/PAROL-docs/1.1/08-troubleshooting/known-issues/): the faults in the firmware and software that are known and not yet fixed, and
  what to do until they are

For the control board itself, see the [Control Board Manual's troubleshooting](https://docs.source-robotics.com/PAROL-docs/1.1/board/11-troubleshooting/);
for the software, [Programming troubleshooting](https://docs.source-robotics.com/PAROL-docs/1.1/programming/06-troubleshooting/). When you ask for help,
[Report a problem](https://docs.source-robotics.com/PAROL-docs/1.1/support/report-a-problem/) says what to include.