Answer
Dec 19, 2025 - 04:45 PM
The "E3" error code on your Walgreens HC Battery, e-sphyg 3 blood pressure monitor usually means the cuff is not properly applied or there is excessive arm movement during measurement. Ensure the cuff is snug, positioned correctly on your upper arm, and remain still and quiet while taking your reading. If the error continues, refer to your device's manual for additional troubleshooting steps or contact Walgreens customer support.
