Check the electrode clips; internal microcracks can cause signal loss. :
Often caused by damage to inductive components (L101, L102) or capacitors (C130, C133) in the pre-amplification module. carewell ecg 1101 service manual fix
Device dead? → Check AC adapter, fuse, battery, power switch No trace? → Check leads, patient cable, paper orientation, thermal head Noisy signal? → Check electrode contact, patient ground, RLD circuit Printer issues? → Clean head, replace paper, check motor/gears Drifting baseline? → Replace electrolytic caps in analog path Check the electrode clips; internal microcracks can cause
Replace fuse, battery, or repair broken power jack solder joints. → Check AC adapter, fuse, battery, power switch No trace
: Verify power outlet functionality and check battery levels. If the machine frequently shuts down, replace the internal rechargeable battery. Abnormal Paper Speed or Jams : Cause : Improper paper loading or dirty print head.
Clean thermal head. Replace thermal print head (model often 3-inch, 8 dots/mm). Adjust paper pressure.