Accu Chek Reset ★ Essential

If your meter still malfunctions after these steps, the device may be faulty. Accu-Chek offers free replacement for many models under warranty (typically 3-5 years). 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.