> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.myndr.nl/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Why does my Myndr Switch beep?

Sometimes the Myndr Switch makes beeping sounds. What do those beeps actually mean?

### Myndr Switch delivered after July 2023

Below is an overview of what the different tone combinations mean:

| Sound | Meaning | Action |
| ---- |
| Rising "jingle" | The switch has started up and is ready for use |  |
| Two short tones: mid-high | The changed mode has been sent |  |
| Two short tones: mid-low | Sending the changed mode failed | [Replace the batteries with a new pair of high-quality AA batteries](/en/article/how-do-i-replace-the-batteries-1vy48gs/) |
| Three long, low tones | The batteries are too weak to send anything | [Replace the batteries with a new pair of high-quality AA batteries](/en/article/how-do-i-replace-the-batteries-1vy48gs/) |

### Myndr Switch delivered before July 2023

What the beeps mean depends on how many beeps there are and whether they are short (a fraction of a second) or long (one second).

**1 short beep**
The Myndr Switch is starting up.

**2 short beeps**
Sending the mode failed. The switch will try again a few more times by itself.

**3 short beeps**
The batteries are too weak. It is best to replace them with new ones. [Make sure you use the recommended batteries.](/en/article/recommended-batteries-vsus8u/)

**3 long beeps**
Sending the mode is not working. Replace the batteries with new ones and try again. [Make sure you use the recommended batteries.](/en/article/recommended-batteries-vsus8u/)