Philips HeartStart XL - Defibrillation and Cardioversion

M4735A Service Manual 3-23
Operational Problems
3
Defibrillation and Cardioversion
The following table covers problems that might arise while defibrillating or
delivering synchronized cardioversion.
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 3-9 Operational Problems - Defibrillation and Synchronized Cardioversion
Message or Symptom Possible Causes Suggested solution
Won’t charge in Manual Mode using
button on paddles.
1. Paddles failure.
2. Internal failure in unit:
• Patient connector or internal wiring
failure.
• Power PCA failure.
• Control PCA failure.
1. Confirm paddles problem by
charging using
CHARGE key.
Replace paddles if needed.
2. Troubleshoot further by:
• Trying AED Mode.
• Using Diagnostic Mode to run
Extended Self Test and Defib
Meas Test.
Won’t charge in Manual Mode using
CHARGE key.
• Patient connector or internal wiring
failure.
• Power PCA failure.
• Control PCA failure.
• Keyscan PCA failure.
•
CHARGE key failure.
Troubleshoot further by:
• Trying AED Mode.
• Using Diagnostic Mode to run
Extended Self Test, Defib Meas
Test and Controls Test.
Won’t charge in AED Mode. • Patient connector or internal wiring
failure.
• Power PCA failure.
• Control PCA failure.
Troubleshoot further by:
• Trying Manual Mode.
• Using Diagnostic Mode to run
Extended Self Test and Defib
Meas Test.
Won’t discharge in Manual Mode
using buttons on paddles.
1. Paddles failure
2. Internal failure in unit:
• Patient connector or internal wiring
failure.
• Power PCA failure.
• Control PCA failure.
1. Confirm paddles problem by
discharging using
SHOCK key.
Replace paddles if needed.
2. Troubleshoot further by:
• Trying AED Mode.
• Using Diagnostic Mode to run
Extended Self Test and Defib
Meas Test.
Won’t discharge in Manual Mode
using
SHOCK key.
• Patient connector or internal wiring
failure.
• Power PCA failure.
• Control PCA failure.
• Keyscan PCA failure.
•
SHOCK key failure
Troubleshoot further by:
• Trying AED Mode.
• Using Diagnostic Mode to run
Extended Self Test, Defib Meas
Test and Controls Test.