M4735A Service Manual 3-15
General Problems
3
Momentary Messages
Momentary messages are temporary and only appear on the display for a few
seconds. They are intended for the end user and appear in the Instructions
for Use. Momentary messages are duplicated here for the reference of the ser-
vice person.
NOTE Before replacing any parts, check to see if the cables and flex circuits are
properly connected. See "Servicing Notes" on page 4-1.
Table 3-4 Momentary Messages
Message Possible Cause Corrective Action
Attach Cable
The patient cable is not properly attached
to the device.
Check the cable connections.
Attach Leads
The user attempted to begin pacing in
Demand Mode without ECG leads
attached to the patient.
Attach leads to patient.
Select Leads
With paddles connected and selected as
the ECG input, the user attempted to acti-
vate Synchronized Cardioversion.
Use leads for ECG.
With no leads connected, the user con-
nected paddles and selected them as the
ECG input, then connected the leads.
Use leads for ECG.
Attach Pads
The multifunction defib electrode pads are
not making proper contact with the patient.
1. Check the pads are applied to the
patient, as directed on the package.
2. Replace pads if the prompt continues.
Attach Paddles
The user attempted to charge the defib in
Manual Mode with no paddles connected.
Connect paddles.
Defib Disarmed
The defib is disarmed and no energy is
available, due to one of the following:
• The pads connection is compromised. • Check the pads are applied to the patient
properly.
• The mode is changed from Manual to
AED while the defibrillator is charged.
• If a shock is indicated, deliver the shock
before changing modes.
• is not pressed within 30 sec-
onds of the defibrillator being charged.
• To deliver a shock, press within
30 seconds of the defibrillator being
charged.
• is pressed.
• None.
No Shock Delivered
Patient impedance is too high or too low. 1. Make sure pads are applied properly.
2. Replace the pads.
3. Replace the pads cable.
Check Printer
Printer paper is absent or jammed; the
printer door is not closed properly.
1. Reload printer paper.
2. Make sure the door is closed properly.
SHOCK SHOCK
DISARM