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› Why does my breathalyzer displ...
Why does my breathalyzer display show "Er"?
Last Updated: Apr 17, 2019 09:13AM PDT
This error message means that the breathalyzer has a damaged sensor or may need to be calibrated. Please contact
BACtrack Customer Support
or call us at 877-334-6876 between Mon-Fri, 9am to 5:30pm PST.
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