Manual

MONITORING
4
©2007-2013 Physio-Control, Inc.
LIFEPAK 15 Monitor/Defibrillator Operating Instructions
4-23
Troubleshooting Tips
Table 4-3 Troubleshooting Tips for the 12-Lead ECG
OBSERVATION POSSIBLE CAUSE CORRECTIVE ACTION
Any of these
messages displayed:
CONNECT ECG LEADS
ECG LEADS OFF
XX LEADS OFF
One or more ECG
electrodes disconnected
Confirm ECG electrode connections.
ECG cable is not
connected to monitor
Confirm ECG cable connections.
Poor electrode-skin
contact
Reposition cable and/or lead wires to
prevent electrodes from pulling away from
patient.
Secure trunk cable clasp to patient’s
clothing.
Prepare skin and apply new electrodes.
Broken lead wire Select another lead.
Select
PADDLES lead, and use standard
paddles or therapy electrodes for ECG
monitoring.
Check ECG cable continuity.
Noisy signal and/or
message displayed:
NOISY DATA! PRESS
12-LEAD TO ACCEPT
Noise in a lead other than
the displayed lead
•Press 12-LEAD again to override the
message. Examine the printout to determine
leads affected by noise. Replace or
reposition the affected electrodes and lead
wires.
Poor electrode-skin
contact
Reposition cable or lead wires to prevent
electrodes from pulling away from patient.
Secure trunk cable clasp to patient’s
clothing.
Prepare skin and apply new electrodes.
Loose connection Check or reconnect cable connections.
Patient motion Encourage patient to lie quietly.
Support patient’s limbs.
Vehicle motion Stop vehicle while acquiring 12-lead ECG
data.
Outdated, corroded, or
dried-out electrodes
Check Use By date on electrode packages.
Use only unexpired silver/silver chloride
electrodes. Leave electrodes in sealed
pouch until time of use.
Radio Frequency
Interference (RFI)
Check for equipment causing RFI (such as a
radio transmitter) and relocate or turn off
equipment power.
Damaged cable or
connector/lead wire
Inspect main cable and attachments.
Replace if damaged.