User Manual for PC-80D Easy ECG Monitor2512. TroubleshootingTroubleThe device can not turn on.Possible Reason Solution1. The batteries are drained or almostdrained.2. The batteries are not insertedproperly.3. The device is broken out.1. Change batteries.2. Reinstall batteries.3. Please contact the local service center.TroubleThe device is failure in measuring heart rate.Possible Reason Solution1. Electrode and body does not contactwell.2. Moved when measuring.3. Electromagnetic interference.4. Weak signal.1. Place the electrode correctly.2. When measuring, please keep quiet and avoidmoving.3. Keep away from interference source.4. Change a place (chest) to measure.TroubleECG waveform excursion, strong irrelevant waveform or the ECG waveform displays on the screen, but the prompt info is “Contact?”Possible Reason Solution1. Skin is dry or oily.2. Electrode and body does not contacttightly.3. Muscle strain.1. Clean skin with soap and water and eliminate skin crumband grease to make the skin wet and greaseless.2. Press the electrode with a certain force.3. Keep hand relax while measuring.