On this page
Asset Type
Manufacturer
Model
What This Guide Helps With
Addresses battery alerts, unrecognized or communication errors, focusing on battery seating, contacts, firmware, and external power issues.
Step-by-Step Troubleshooting
Ensure Patient Safety
Confirm the AED is not in active clinical use. If a patient requires resuscitation, provide a backup AED before troubleshooting.
Inspect the Battery
Remove the battery and inspect for physical damage, corrosion, or dirt on contacts. Ensure the battery is within its expiration date.
Reseat the Battery
Reinsert the battery firmly until it clicks. Poor seating is a common cause of communication errors.
Check Battery Orientation
Verify the battery is installed in the correct orientation per device labeling. Incorrect insertion can prevent recognition.
Clean Contacts
Use a dry, lint-free cloth to gently clean both battery and device contacts. Dirt or residue can block communication.
Power Cycle the Device
Turn the AED off, wait 10 seconds, and turn it back on. Observe if the battery is now recognized.
Try a Known Good Battery
Insert a verified, fully charged battery to rule out battery failure. If the device accepts a new battery, the original battery may be defective.
Inspect Firmware and Device Updates
If available, confirm the AED firmware is current, as outdated software can occasionally cause battery communication errors.
If the Problem Persists
All external checks have been completed. The issue is likely internal (device board or battery interface).
- Remove the AED from service.
- Label as Out of Service.
- Send to ZOLL or qualified service for bench evaluation or repair.
Knowing when to stop avoids risk to patient safety and prevents further device damage.
Clinical Use Tip
Never attempt to troubleshoot on a patient in cardiac arrest. Move the patient to another AED if available. Troubleshoot only when safe and the device is not in active use.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"AED displayed “Battery Not Recognized” on power-on."
Cause
What was observed during troubleshooting.
Example:
"Original battery failed communication checks; contacts clean and device firmware up-to-date."
Resolution
What action was taken.
Example:
"Battery replaced with known good unit; AED confirmed operational. If original battery required service, noted for replacement."
Helpful Details to Include (If Known)
- Battery expiration date checked
- Contacts inspected and cleaned
- Attempted reseating
- Device power cycle performed
- Verified with alternate battery
- Device status post-troubleshoot
Final Thought
Patient safety must remain the top priority. Systematic troubleshooting—from battery inspection to device verification—ensures reliable AED function. Escalate to service when external causes are ruled out and document all findings for accountability.
That is successful troubleshooting.