MAUDE Adverse Event Report: CARDIAC SCIENCE CORPORATION POWERHEART G5 SEMI AUTOMATIC AED; AUTOMATED EXTERNAL DEFIBRILLATOR

Model Number	G5S-01A
Medical Device Problem Code	Unable to Obtain Readings (1516)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Zoll medical corporation has received the product and will be providing a supplemental report when our investigation is completed.
Event or Problem Description
Complainant alleged that during functional testing, the device displayed an "ecg fault -501" error message.Complainant indicated that there was no patient involvement in the reported malfunction.
Additional Manufacturer Narrative
Review of the device activity logs makes it clear the device presented an error in april 2023, where the end result was that the device code indicator was red and was beeping.The device will communicate to the user that it is not rescue ready by providing an auditory beep every 30 seconds and displaying a red rescue ready (nvi) indicator.We can identify from the log that this device appears to have been left idle in a non-usable state for at least 2 years prior to the customer contacting zoll.Zoll medical corporation evaluated the device and the customer's report was not replicated or confirmed.The device was put through extensive testing including daily/weekly/monthly testing, on/off current testing, patient/circuit impedance testing and shock testing without duplicating the report.The main board will be replaced as a precaution.The device will be recertified and returned to the customer.No trend is associated with reports of this type.

• Brand Name: POWERHEART G5 SEMI AUTOMATIC AED
• Common Device Name: AUTOMATED EXTERNAL DEFIBRILLATOR
• Manufacturer (Section D): CARDIAC SCIENCE CORPORATION; 500 burdick parkway; deerfield WI 53531 9692
• Manufacturer Contact: scott august ; 269 mill road; chelmsford, MA 01824 ; 9784219552
• MDR Report Key: 23228438
• Report Number: 2112020-2025-00643
• Device Sequence Number: 15828255
• Product Code: MKJ
• UDI-Device Identifier: 00812394021239
• UDI-Public: (01)00812394021239
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: P160033
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 09/15/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Other
• Device Model Number: G5S-01A
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 09/15/2025
• Is the Reporter a Health Professional?: No
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/15/2025
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 10/06/2025
• Supplement Report FDA Received Date: 10/21/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 04/27/2015
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• If action reported to FDA under 21 USC 360i(g), list FDA-assigned Recall Number or include a statement: Z-1316-2025
• Patient Sequence Number: 1
• Patient Sex: Unknown