Check the batteries in your Precision+.

Make sure they are ALL brand new alkaline or fully charged Lithium batteries. 

Make sure the batteries are not heavy duty batteries.

Check that the batteries are inserted following the correct polarities.

✅ Alkaline batteries

✅ Rechargeable lithium batteries

❌ Heavy duty batteries

If all batteries have been replaced and the unit still does not switch on, you can contact us by clicking on "New Support Ticket" above for further assistance.