meshtastic/docs/software/device/critical-faults.mdx
Sacha Weatherstone 9dc879235f
Hardware pages (#299)
* initial devices.json

* initial hardware components

* testing page at /docs/hardware/supported/template

* WIP Changes

* Home page work & updates

* Fix build

* Fix external link button

* Setup linting

* rename, cleanup & lint

* seperate lint cmd for now

Co-authored-by: Foster Irwin <foster@jfirwin.com>
Co-authored-by: Sacha Weatherstone <sachaw100@hotmail..om>
2022-04-02 00:34:49 +11:00

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---
id: critical-error-codes
title: Critical error codes
sidebar_label: Critical error codes
---
The device might report these fault codes on the screen, but it will also be outputted on the device serial output. If you encounter a fault code, please post on the forum and we'll try to help.
:::note
This table is derived from the [protobufs](/docs/developers/protobufs/api#criticalerrorcode)
:::
| Name | Number | Description |
| ------------------- | ------ | ----------------------------------------------------------------------------------------------------------------------- |
| TxWatchdog | 1 | A software bug was detected while trying to send LoRa |
| SleepEnterWait | 2 | A software bug was detected on entry to sleep |
| NoRadio | 3 | No LoRa radio hardware could be found |
| Unspecified | 4 | Not normally used |
| UBloxInitFailed | 5 | We failed while configuring a UBlox GPS |
| NoAXP192 | 6 | This board was expected to have a power management chip and it is missing or broken |
| InvalidRadioSetting | 7 | The channel tried to set a radio setting which is not supported by this chipset, radio comms settings are now undefined |
| TransmitFailed | 8 | Radio transmit hardware failure. We sent data to the radio chip, but it did not reply with an interrupt |
| Brownout | 9 | We detected that the main CPU voltage dropped below the minimum acceptable value |