We are sorry to hear you are having trouble with your Swytch conversion kit.
As a first step, can you kindly try re-setting the Power Pack back to its factory settings as this can often resolve the issue.
Below is a link to a video which will show you how to do this.
Or following these step by step instructions:
These actions are to be performed on the Power Pack whilst it is turned on:
1) Hold down + & O
2) 'DEF - N' will appear on screen
3) Press + to show 'DEF - Y'
4) Hold down O for 5 seconds
5) 'DEF - 00' will appear on screen
6) Screen will automatically re-alight
7) Swytch kit successfully re-set
If this does not resolve your issue, please let us know by emailing firstname.lastname@example.org and we will look to find another solution for you.