Troubleshooting
81
– Move the electrosurgical unit ground pad as close
to the surgical site as possible.
• The sensor may be damp or may have been reused too
often. Replace it.
• If using a sensor extension cable, remove it and
connect the sensor directly to the patient module.
8. ECG LOST is displayed.
• Check the patient.
• If the ECG signal is provided through the patient
module:
– There may be a loose, unplugged, or defective ECG
electrode or electrode cable.
– Check the connections. If the problem persists,
replace the electrodes and/or ECG cables.
– If ECG is provided through the patient module, the
module may be defective. Try another patient
module.
• R-wave amplitude may be insufficient.
– Check the ECG electrode position to verify proper
lead configuration.
– Select (LEAD SELECT) limb lead with greatest
R-wave amplitude.
• ECG signal provided via the rear-panel connector is
inadequate:
– There may be a loose, unplugged, or defective ECG
cable.
– Check the connections. If the problem persists,
replace the electrodes and/or ECG cables.
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