Accu Chek Reset [top] [ OFFICIAL - 2025 ]

After changing batteries or traveling across time zones, your meter may show incorrect time/date, which can affect 7/14/30-day averages.

Older models often rely on a "Power Reset" to clear internal logic errors. Remove the battery from the device.

If your meter is frozen, unresponsive, or shows a persistent error screen: accu chek reset

Disclaimer: This guide applies to common Accu-Chek models (Guide, Aviva, Nano, Performa, Active, Compact). Always refer to your specific meter’s user manual for model‑exact instructions.

: Carefully flip the wet pulp layer onto a damp cloth (this is called "couching"). After changing batteries or traveling across time zones,

E-3: An error occurred during the measurement (often a blood volume issue). E-4: Not enough blood was applied to the strip. E-9: The batteries are almost out of power.

There is no universal "Reset" button on Accu-Chek devices. Depending on your specific model—whether it is the Guide, Instant, Performa, or Aviva—the process for clearing errors or rebooting the system varies. This guide covers the most common methods to get your meter back in working order. Why You Might Need to Reset Your Meter If your meter is frozen, unresponsive, or shows

This process fixes most electronic errors (like E-7) without deleting your stored glucose results.

Before diving into the steps, it is important to identify why a reset is necessary. Common reasons include: The screen is frozen or unresponsive to button presses.