XXYZZ

• XX - number of printer according to USB PID
• Y - error category (common for all printers)
• ZZ - specific error code

Example: 12201

• 12 - printer number 12: Original Prusa MINI+
• 2 - error category: temperature error
• 01 - specific error code: Heatbed heating failed

• 04 MMU - Original Prusa MMU
• 10 SL1 - Original Prusa SL1/SL1S
• 12 MINI - Original Prusa MINI/MINI+
• 13 MK4 - Original Prusa MK4
• 16 iX - AFS IX
• 17 XL - Original Prusa XL
• 23 MK3.5 - Original Prusa MK3.5

1. Mechanical - XYZ motors, tower, axis range
2. Temperature - thermistors/heating
3. Electronics - MINDA, FINDA, Motion Controller, …
4. Connection - Wi-Fi, Ethernet, Prusa Connect
5. System - FW crash, …
6. Bootloader - FW update, USB/SD card fail
7. Warnings
8. Dialogs for Connect - not really errors, identifiers for communicating dialogs to the server. If there's an error in one of the above categories, it is possible to reuse that error code directly, no need to create a duplicate one in this category.
9. Other

More information about the error codes can be found at: prusa.io/error-codes

The .yaml format structure is as follows:

• Root [dict]
  • Errors [list of dict]: Specific error codes
    • printers (optional) [list of string]: same as root-level printer filter
    • code [string]: Error code in the format XXYZZ
      • Leave XX as XX, the code applies to multiple printers.
      • For example XX101
    • title [string]: Error message title
    • text [string]: Error message string
    • id [string]: Error identifier used for referencing the error in the code
      • For example BED_MINTEMP_ERROR
    • approved [bool]: Not really good for anything