Olympus recalls ESG-410 (SEP) Version WA91327U due to system error E1226 "Could not write to Audio Buffer" during surgical procedures. Affected units have specific serial numbers and UDI-DI codes.
There was an increase in complaints indicating an occurrence of system error E1226 "Could not write to Audio Buffer" during procedures using the ESG-410 (SEP).
Olympus is recalling certain Electrosurgical Generators (ESG-410 SEP) with version WA91327U because they may cause audio buffer errors during surgical procedures. This could lead to communication issues between the device and surgical equipment, potentially affecting patient safety.
The device may experience system error E1226, which prevents it from writing to the audio buffer during procedures. This could cause communication issues between the surgical team and the device, potentially affecting patient safety during surgery.
Medical professionals using the Olympus ESG-410 (SEP) version WA91327U for surgical procedures are most likely affected. Patients using this device during surgery may be at risk if audio communication fails.
Check for the model number ESG-410 (SEP) with version WA91327U. Affected units have specific serial numbers listed in the recall notice and a UDI-DI code of 04042761087698.
Verify your device's version code is WA91327U by checking the label on the device.
The recall indicates a potential audio buffer error during procedures, but the device is not considered dangerous under normal use. Olympus has not specified a risk of injury.
Check if your device has the model number ESG-410 (SEP) with version WA91327U and the specific serial numbers listed in the recall notice.
Olympus has not provided a remedy for this recall. Affected users should check their device version and contact Olympus if they have concerns.
We’ve drafted a message you can send Olympus to request your refund or repair — edit it as you like.
Subject: Recall Z-0264-2025 — Olympus Olympus Hello, I own a Olympus that is covered by recall Z-0264-2025 from Olympus. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
