Contec ECG 100G User Manual page 24

① Is the installation of the electrode instability?
② Is the connection between leads and electrodes credibility?
③ Check the cleaning of electrode and patient skin. Is the electrode and skin covered with
enough Gel?
④ Does it cause by the patients' moving or breathing?
⑤ Is the connection between lead and electrode proper?
Please use filter if still having above-mentioned interference.
14.5 Troubleshooting List
Phenomenon
1.Whether the ground cable proper.
Disturbance too
2.The connection of leads is not stable.
big, the
3.Whether there is disturbance from
waveform is in
alternating current.
disorder
4.Patient is nervous
1.Disturbance from alternating current is
Baseline is too fierce.
rough 2.Patient is nervous and the disturbance
of EMG too strong
1.The conductivity of electrode is not
well.
2.Power of battery is used up
Wave form is
3.Contact between electrode and skin is
not regular, with
not proper.
too great wave
4.The plug between lead and main unit
or beeline
is not tight.
5.The
electrode is not proper.
1.Power of battery is used up.
Baseline drift
2.Patient is moving.
Waveform is not 1.The printer head is dirty.
clear. 2.The paper is not right.
User Manual
Reason
contact between
1.Please check the lead, ground
cable and power supply.
2.Please dispose the patient in
proper state.
1.Change a comfortable
environment for patient
2.If the sickbed is metal, please
change it.
3.The power line and lead is not
parallel or too close.
1.Use alcohol of high quality.
2.Clean the electrode and patient's
skin where touch the electrode.
3.Charge the battery.
4. Keep the electrode reed clamping.
lead and
1.Charge the battery.
2.Keep patient hold still.
1.Clean the printer head with alcohol
when the power is off, use the printer
head after the alcohol is volatile.
2.Use the appointed thermal print
paper.
22
Resolve method