ZOLL M Series Defibrillator Rev R - Manual (Page 76)

M Series Service Manual
66
ECG V6 LEAD OFF Chest lead V6 is not properly attached to patient.  Reattach V lead. Check
cable.
ENTER ACCESS CODE Manual mode access code needed.  Enter access code to
enter manual mode
with AED.
ERASING REPORT Summary report being erased. 
ECU CRC FAULT Invalid ECG samples detected over a one second
period.
Turn off unit and then
turn on to reset. If fault
persists, replace system
board.
EtCO
2
COM ERROR No or invalid communication from EtCO
2
module. Return unit for service
to ZOLL Technical
Service Department.
FAX DIALING Preparation for sending fax. 
FAX DONE Transmission complete. 
FAX PREPARING Preparing fax for transmission.

FAX SENDING Transmitting fax. 
INSERT CARD
Check memory card
No card installed in unit during manual or semi-
automated modes.

LOW BATTERY Low battery.  Replace battery or plug
into AC power. Replace
charger.
NO QRS DETECT Unit is in sync mode and heart rate is < 20 BPM or
QRS amplitude is too low for proper
synchronization.

Increase ECG size and/
or change lead.
Error Message Explanation
User
Advisory
Technical Action