Physio Control LIFEPAK 20, Service Manual

Page: 99 / 370

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LIFEPAK 20/20e Defibrillator/Monitor Troubleshooting
Troubleshooting Chart
(continued)
Area Observed Symptom Suggested Corrective Action
Audio Inaudible or garbled audio Perform the voice tone test.
Check the speaker connection.
Check or
replace the W02 Speaker Assembly .
Check or replace the A01 System PCB .
Power source
management No backup battery operation Replace the A07 Battery .
Check or replace the A03 Power Module .
Therapy - delivered
energy Unable to complete auto test
or user test Rerun the test with proper test load shorting.
Check continuity of the test plug or shorting bar.
Check continuity of the QUIK-COMBO cable.
Check or
replace the W01 Therapy Connector .
Replace the A04 Therapy PCB .
Delivered energy out of
tolerance Perform defibrillator calibration.
Patient impedance
channel broken Abnormal energy delivery Check or replace the A14 Inductive Resistor (less than
5 ohms).
Check or
replace the A04 Therapy PCB .
Replace the A01 System PCB .
(Continued on next page)
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