Andatech Support

Problem: Unit beeps/click after blowing into it but turns itself off instead of showing result.    Solution: This is commonly cause by low voltage in a...

Turn on the unit. There will be a countdown starting from 19. Once countdown ends, blow into unit with a long, steady breath - the unit will then beep once...

Cause: Unit does not read enough breath Solution: Blow a slow, steady breath consistently for up to 5 seconds. The unit will then beep - continue blowin...