Olympus WB50403WRecalls & reported problems

Summary

The FDA's MAUDE database contains 5 adverse event reports that list this exact device (DI 04042761076814), received between Sep 6, 2023 and Jul 23, 2025 — classified as 5 malfunctions.

The most frequently reported specific device problem is “Electrical /Electronic Property Problem” (3 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. What reports can and can't tell you · How this data works · Data updated Oct 16, 2026.

Most reported problems

Recent adverse event reports

The 5 most recent of 5 reports, in the reporter's own words as published by the FDA.

• MalfunctionJul 23, 2025Communication or Transmission Problem; Communication or Transmission Problem

  IT WAS OBSERVED DURING THE DEVICE INSPECTION THAT SUBJECT DEVICE HAS AN E433 ERROR. THERE WERE NO REPORTS OF PATIENT INVOLVEMENT.

  Patient problems: Insufficient Information

  MAUDE report 22584004 ↗
• MalfunctionJan 16, 2024Electrical /Electronic Property Problem; Electrical /Electronic Property Problem

  THE CUSTOMER REPORTED TO OLYMPUS, THE GENERATOR DISPLAYED ERROR CODE E433 AND AUTOMATICALLY RESTARTS. THE HIGH VOLTAGE POWER BOARD WAS FOUND TO BE DAMAGED. THE ISSUE WAS FOUND DURING INCOMING INSPECTION. THERE WERE NO REPORTS OF PATIENT HARM.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 18517745 ↗
• MalfunctionDec 4, 2023Electrical /Electronic Property Problem; Electrical /Electronic Property Problem

  THE CUSTOMER REPORTED TO OLYMPUS, THE ESG-400 DISPLAYED ERROR CODE E433 (INTERNAL SOFTWARE OR HARDWARE ERROR) AND AUTOMATICALLY RESTARTED. THE FOOT SWITCH, SINGLE, FOR, ESG-400 WAS DISCONNECTED, AND THE ERROR CODE WAS CLEARED. THERE WERE NO REPORTS OF PATIENT HARM.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 18257730 ↗
• MalfunctionDec 4, 2023Electrical /Electronic Property Problem; Electrical /Electronic Property Problem

  THE CUSTOMER REPORTED TO OLYMPUS, THE ESG-400 DISPLAYED ERROR CODE E433 (INTERNAL SOFTWARE OR HARDWARE ERROR) AND AUTOMATICALLY RESTARTED. THE FOOT SWITCH, SINGLE, FOR, ESG-400 WAS DISCONNECTED, AND THE ERROR CODE WAS CLEARED. THERE WERE NO REPORTS OF PATIENT HARM.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 18257374 ↗
• MalfunctionSep 6, 2023Communication or Transmission Problem; Communication or Transmission Problem

  THE CUSTOMER REPORTED THAT THE HIGH FREQUENCY ELECTROSURGICAL GENERATOR UNIT HAD AN ERROR CODE E433 DISPLAYED. THE EVENT OCCURRED DURING PREPARATION FOR USE. THERE WAS NO PATIENT HARM ASSOCIATED WITH THE EVENT. FOR THE ESG-400 DEVICE, PLEASE SEE PATIENT IDENTIFIER (B)(6). THIS FILE CAPTURES THE FOOTSWITCH USED IN CONJUNCTION WITH THE ESG-400.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 17695682 ↗