ZOLL M Series Defibrillator Rev R - Manual (Page 75)

M Series Service Manual
65
ECG FAULT 4 Communication fault between ECG processor and
main processor.
Turn off unit and then
turn on to reset. If fault
persists, replace system
board.
ECG FAULT 5 ECU RAM test failure, or ROM checksum test
failure.
Turn off unit and then
turn on to reset. If fault
persists, replace system
board.
ECG LEAD OFF One or more ECG leads are not properly connected
when leads are selected as input.
 Check cable and patient
connection. Change
electrodes. Prepare
patient’s skin.
ECG TOO LARGE ECG signal too large for accurate shockable rhythm
analysis.
 Reduce ECG size.
ECG TOO SMALL ECG signal too small for accurate shockable rhythm
analysis.
 Increase ECG size.
ECG V1 LEAD OFF Chest lead V1 is not properly attached to patient.  Reattach V lead. Check
cable.
ECG V2 LEAD OFF Chest lead V2 is not properly attached to patient.  Reattach V lead.
Check cable.
ECG V3 LEAD OFF Chest lead V3 is not properly attached to patient.  Reattach V lead.
Check cable.
ECG V4 LEAD OFF Chest lead V4 is not properly attached to patient.  Reattach V lead.
Check cable.
ECG V5 LEAD OFF Chest lead V5 is not properly attached to patient.  Reattach V lead.
Check cable.
Error Message Explanation
User
Advisory
Technical Action