MAUDE Adverse Event Report: CARDIAC SCIENCE CORPORATION POWERHEART G5 KIT,SEMI, US EN/LA ESP; AUTOMATED EXTERNAL DEFIBRILLATORS (NON-WEARABLE)

Model Number	G5S-80C
Medical Device Problem Code	Failure of Device to Self-Test (2937)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Event or Problem Description
Complainant alleged that during functional testing, the device prompted a "unit failed" message.Complainant indicated that there was no patient involvement in the reported malfunction.
Additional Manufacturer Narrative
The device was returned to zoll medical corporation.During the investigation it was noted that the reported condition could not be duplicated during depot evaluation; however, review of the device log identified error 500: ecg frontend gain test failure.The main board was replaced to reduce the probability of recurrence and the was recertified for clinical use.Further evaluation of the main board did not determine the root cause.Although the fault could not be reproduced during testing, the log confirms that the critical failure occurred.As a result, the investigation is closed as observed in device data.No trend is associated with reports of this type.

• Brand Name: POWERHEART G5 KIT,SEMI, US EN/LA ESP
• Common Device Name: AUTOMATED EXTERNAL DEFIBRILLATORS (NON-WEARABLE)
• Manufacturer (Section D): CARDIAC SCIENCE CORPORATION; 500 burdick parkway; deerfield WI 53531 -969
• Manufacturer Contact: scott august ; 269 mill road; chelmsford, MA 01824 ; +1(978)421-9552
• MDR Report Key: 50671896
• Report Number: 2112020-2026-00419
• Device Sequence Number: 10158750
• Product Code: MKJ
• UDI-Device Identifier: 00812394021284
• UDI-Public: (01)00812394021284
• Combination Product (Y/N): N
• Initial Reporter State: NJ
• 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): N
• Reporter Type: Manufacturer
• Report Source: Distributor
• Type of Report: Initial
• Report Date (Section B): 08/18/2026

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-80C
• Was Device Available for Evaluation?: Yes
• Date Returned to Manufacturer: 08/18/2026
• 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: 08/18/2026
• Initial Report FDA Received Date: 09/08/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 02/03/2022
• 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
• Patient Sequence Number: 1
• Patient Sex: Unknown