“power failure.” The manual will list steps: check battery orientation, inspect contacts for corrosion, or perform a hard reset (e.g., remove batteries, press power button for 10 seconds, reinstall).
Without specific details on the "Carewell ECG 1103G," we can infer based on similar devices that it likely features: Carewell Ecg 1103g Manual.epub
The ECG-1103G is likely an interpretive device, meaning it doesn't just draw the squiggles; it attempts to read them. It offers a printout that might say "Sinus Rhythm" or "Atrial Fibrillation." “power failure