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R SERIES 30001000301110012Recalls & reported problems

Zoll Medical Corporation · Defibrillator ,R SERIES, MAIN, ALS, 3/5 LD, AC PWR, STD ECG, PACE, ETCO2, CF/USB, DMST · Class 3

Quick summary

This Zoll R Series defibrillator is an automated external defibrillator. Many of its 975 reports describe the unit failing to power up, failing to deliver a shock, showing no display, or shutting down, and most do not describe any effect on the patient. The reports mention 10 deaths and 6 injuries. No recalls name this device.

AI-generated from the FDA records on this page and checked automatically against the numbers below. Read the details before relying on it.

Adverse event reports
979
Deaths reported
10
Injuries reported
7
Recalls naming it
0

Summary

The FDA's MAUDE database contains 979 adverse event reports that list this exact device (DI 00847946017200), received between Aug 13, 2015 and Sep 24, 2026 — classified as 10 deaths, 7 injuries, 962 malfunctions.

The most frequently reported specific device problem is “Defibrillation/Stimulation Problem” (201 reports).

Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. How this data works · Data updated Oct 13, 2026.

Reports received per month

Nov 2023: 7 reportsDec 2023: 0 reportsJan 2024: 9 reportsFeb 2024: 15 reportsMar 2024: 18 reportsApr 2024: 14 reportsMay 2024: 15 reportsJun 2024: 8 reportsJul 2024: 9 reportsAug 2024: 17 reportsSep 2024: 13 reportsOct 2024: 14 reportsNov 2024: 15 reportsDec 2024: 10 reportsJan 2025: 6 reportsFeb 2025: 10 reportsMar 2025: 6 reportsApr 2025: 14 reportsMay 2025: 12 reportsJun 2025: 13 reportsJul 2025: 10 reportsAug 2025: 8 reportsSep 2025: 11 reportsOct 2025: 16 reportsNov 2025: 16 reportsDec 2025: 20 reportsJan 2026: 12 reportsFeb 2026: 16 reportsMar 2026: 21 reportsApr 2026: 7 reportsMay 2026: 13 reportsJun 2026: 6 reportsJul 2026: 13 reportsAug 2026: 7 reportsSep 2026: 7 reportsOct 2026: 0 reports20242025202621
Last 36 months. The most recent month may be incomplete.

Most reported problems

Device problems

  • Defibrillation/Stimulation Problem201
  • No Display/Image195
  • Unable to Obtain Readings187
  • Failure to Power Up118
  • Failure of Device to Self-Test60
  • Pacing Problem60
  • Failure to Deliver Shock/Stimulation57
  • Grounding Malfunction26

Patient problems

  • No Clinical Signs, Symptoms or Conditions700
  • No Patient Involvement177
  • Insufficient Information43
  • No Consequences Or Impact To Patient19
  • No Information18
  • Burn(s)6
  • Death4
  • Intraoperative Cardiac Valve Injury2

Recent adverse event reports

The 25 most recent of 979 reports, in the reporter's own words as published by the FDA.

  • MalfunctionSep 24, 2026Unable to Obtain Readings

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50889312 ↗
  • MalfunctionSep 24, 2026Defibrillation/Stimulation Problem

    COMPLAINANT ALLEGED THAT WHILE ATTEMPTING TO TREAT A PATIENT (AGE & GENDER UNKNOWN), THE DEVICE DISPLAYED "DEFIB FAULT 76" MESSAGE.COMPLAINANT INDICATED THAT THERE WAS NO ADVERSE EFFECT TO THE PATIENT DUE TO THE REPORTED MALFUNCTION.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50882978 ↗
  • InjurySep 21, 2026Unintended Electrical Shock

    COMPLAINANT ALLEGED WHILE ATTEMPTING TO DEFIBRILLATE A PATIENT A 27-YEAR-OLD FEMALE NURSE RECEIVED AN UNINTENDED DELIVERY OF ENERGY.COMPLAINANT INDICATED THAT THE CLINICIAN WAS ADMITTED TO HOSPITAL FOR MONITORING DUE TO THE REPORTED MALFUNCTION.

    Patient problems: Electric Shock

    MAUDE report 50839100 ↗
  • MalfunctionSep 15, 2026Unable to Obtain Readings

    COMPLAINANT ALLEGED THAT DURING A ROUTINE SHIFT CHECK BY A CLINICIAN, THE DEVICE DISPLAYED AN "ERROR FFFF" MESSAGE. COMPLAINANT INDICATED THAT THERE WAS NO PATIENT INVOLVEMENT IN THE REPORTED MALFUNCTION.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50775707 ↗
  • MalfunctionSep 15, 2026Failure of Device to Self-Test

    COMPLAINANT ALLEGED THAT DURING A ROUTINE SHIFT CHECK BY A CLINICIAN, THE DEVICE FAILED SELF TEST.COMPLAINANT INDICATED THAT THERE WAS NO PATIENT INVOLVEMENT IN THE REPORTED MALFUNCTION.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50772589 ↗
  • MalfunctionSep 2, 2026Unable to Obtain Readings

    COMPLAINANT ALLEGED THAT DURING BIOMED TESTING, THE DEVICE DISPLAYED AN "ECG FAULT 7" MESSAGE.COMPLAINANT INDICATED THAT THERE WAS NO PATIENT INVOLVEMENT IN THE REPORTED MALFUNCTION.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50567512 ↗
  • MalfunctionSep 1, 2026No Display/Image

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50544082 ↗
  • MalfunctionAug 31, 2026Failure of Device to Self-Test

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50520188 ↗
  • MalfunctionAug 17, 2026Unable to Obtain Readings

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50286341 ↗
  • MalfunctionAug 12, 2026Failure to Deliver Shock/Stimulation

    COMPLAINANT ALLEGED THAT DURING A ROUTINE SHIFT CHECK BY A CLINICIAN, THE DEVICE FAILED TO DISCHARGE.COMPLAINANT INDICATED THAT THERE WAS NO PATIENT INVOLVEMENT IN THE REPORTED MALFUNCTION.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50222425 ↗
  • MalfunctionAug 6, 2026Unexpected Shutdown

    COMPLAINANT ALLEGED WHILE ATTEMPTING TO MONITOR A 67-YEAR-OLD MALE PATIENT, THE DEVICE INAPPROPRIATELY SHUT DOWN.COMPLAINANT DID NOT INDICATE THAT THERE WAS ANY ADVERSE EFFECT TO THE PATIENT DUE TO THE REPORTED MALFUNCTION.THIS IS THE FIRST OF A SIMILAR REPORT. THE SECOND REPORTED ON MEDWATCH 1220908-2026-02913.

    Patient problems: Insufficient Information

    MAUDE report 50161755 ↗
  • MalfunctionAug 6, 2026Defibrillation/Stimulation Problem

    COMPLAINANT ALLEGED THAT DURING BIOMED TESTING, THE DEVICE DISPLAYED A "DEFIB FAULT 72" MESSAGE.COMPLAINANT INDICATED THAT THERE WAS NO PATIENT INVOLVEMENT IN THE REPORTED MALFUNCTION.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50158615 ↗
  • MalfunctionAug 6, 2026Unexpected Shutdown

    COMPLAINANT ALLEGED THAT WHILE ATTEMPTING TO TREAT AN 67-YEAR-OLD MALE PATIENT, THE DEVICE INAPPROPRIATELY SHUT DOWN. COMPLAINANT INDICATED THAT THERE WAS NO ADVERSE EFFECT TO THE PATIENT DUE TO THE REPORTED MALFUNCTION.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50158253 ↗
  • MalfunctionAug 6, 2026Failure to Power Up

    COMPLAINANT ALLEGED THAT DURING FUNCTIONAL TESTING, THE DEVICE WOULD NOT POWER UP. COMPLAINANT DID NOT INDICATE THAT THERE WAS ANY PATIENT INVOLVEMENT IN THE REPORTED MALFUNCTION.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50156721 ↗
  • MalfunctionJul 30, 2026Unable to Obtain Readings

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50088314 ↗
  • MalfunctionJul 30, 2026Pacing Problem

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50088262 ↗
  • MalfunctionJul 29, 2026Pacing Problem; Defibrillation/Stimulation Problem

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50071039 ↗
  • MalfunctionJul 29, 2026Defibrillation/Stimulation Problem

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50068665 ↗
  • MalfunctionJul 28, 2026Failure to Power Up

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50055062 ↗
  • MalfunctionJul 27, 2026Defibrillation/Stimulation Problem

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50036257 ↗
  • MalfunctionJul 27, 2026Unable to Obtain Readings

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 50035189 ↗
  • MalfunctionJul 20, 2026Defibrillation/Stimulation Problem

    COMPLAINANT ALLEGED THAT DURING BIOMED TESTING, THE DEVICE DISPLAYED "PACER FAULT 115" MESSAGE. COMPLAINANT INDICATED THAT THERE WAS NO PATIENT INVOLVEMENT IN THE REPORTED MALFUNCTION.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 25870281 ↗
  • MalfunctionJul 20, 2026Grounding Malfunction

    COMPLAINANT ALLEGED THAT DURING BIOMED TESTING, THE DEVICE FAILED LEAKAGE CURRENT TEST. COMPLAINANT INDICATED THAT THERE WAS NO PATIENT INVOLVEMENT IN THE REPORTED MALFUNCTION.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 25870193 ↗
  • MalfunctionJul 17, 2026Failure to Power Up

    COMPLAINANT ALLEGED THAT DURING FUNCTIONAL TESTING, THE DEVICE WOULD NOT POWER UP. COMPLAINANT DID NOT INDICATE THAT THERE WAS ANY PATIENT INVOLVEMENT IN THE REPORTED MALFUNCTION.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 25856379 ↗
  • MalfunctionJul 16, 2026Unexpected Shutdown

    COMPLAINANT ALLEGED THAT DURING BIOMED TESTING, THE DEVICE INAPPROPRIATELY SHUT DOWN. COMPLAINANT INDICATED THAT THERE WAS NO PATIENT INVOLVEMENT IN THE REPORTED MALFUNCTION.

    Patient problems: No Clinical Signs, Symptoms or Conditions

    MAUDE report 25839480 ↗

Other Automated external defibrillators (non-wearable) devices

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Sources: FDA GUDID, MAUDE and Medical Device Recalls via openFDA. openFDA data is not validated for clinical or regulatory use.