20 Troubleshooting Symptoms
264
Press Charge Before Shock
message.
The device is not charged to the
selected energy.
Make sure the desired energy is selected. Then press
the Charge button.
Press Shock Buttons on
Paddles
message.
The Shock button on the device is
disabled because external paddles or
switched internal paddles are
connected.
Press the Shock button(s) on the paddles to deliver a
shock.
R-Wave Not Detected message. During synchronized cardioversion,
the r-wave was not detectable.
Choose a lead with a clearly define QRS complex.
Pacing Stopped. [Leads Off]
message.
Pacing has stopped because the
ECG source for Wave Sector 1 has
become invalid because of a Leads
Off condition or an ECG cable
disconnection.
Check that the monitoring electrodes are applied
properly to the patient. Check cable connections.
Press the [Resume Pacing] soft key to continue
pacing.
Pacing Stopped. [Pads Off]
[Pads Cable Off]
message.
Pacing has stopped because of poor
pads/patient contact or a pads cable
disconnection.
Check that the pads are applied correctly to the
patient. Check cable connections. Press the
[Resume Pacing] soft key to continue pacing.
Shock Button Failure INOP During an Operational Check,
when the Shock button was
pressed, there was no response.
Remove the device from use and call for service.
Therapy Knob Failure INOP During an Operational Check, the
Therapy Knob test failed.
Remove the device from use and call for service.
Time to charge to selected
energy is slow.
The device is being operated with
only AC/DC power (no battery) or
the battery power is low.
Install a fully charged battery.
Device displays a
No Shock
Delivered
message but you see
a physiological response from
the patient
Poor skin contact; pads are not
properly connected to the patient.
Minimal patient movement is
possible in this situation as the
defibrillator may deliver a small
amount of energy. The shock
counter will remain at zero.
• Make sure the pads are applied properly.
• Replace pads in necessary
Table 69 Defibrillation and Pacing Problems (Continued)
Symptom Possible Cause Possible Solution
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