My micro:bit is displaying a 3 digit code and then a frowny face :(

Let's take a look and see what it means when you are getting an error code on your micro:bit

Overview

Occasionally, when the micro:bit has encountered an issue it will display a 3-digit code followed by a frowny face :(

This is an error code and is your micro:bit's way of telling you something is wrong. Thankfully, this is a great thing as these error codes often allow you to diagnose potential problems quickly and efficiently. 

If you ever encounter one of these codes go to the following micro:bit Help & Support article to find the code that is being displayed. There you will find out what that code means and the reason you are getting it:

micro:bit Help & Support - Error Codes

What next?

Ok, I found out what error code I have but what do I do next??

Excellent Question! Unfortunately, the answer depends on what error code you are getting as the reasons for getting one can vary quite a bit. It could be anything such as connectivity to the computer, damage to the micro:bit, or even issues with the code you are trying to run. 

Here are some common troubleshooting steps that may be required if a code is encountered:

  1. Try restarting your micro:bit
  2. Inspect your micro:bit for any visible signs of damage
  3. Verify you are using a v2 micro:bit with the Climate Action Kit
  4. Ensure all cables and connections are secure
  5. Review your code for errors, particularly if the issue relates to specific functions
  6. Try a different micro:bit to see if the issue persists
  7. Try swapping the Climate Action Kit Breakout Board

When to Contact Support: