mypros+
Error code reference

Electrolux Oven Error Code USFC

Error during closure of a file on the USB key

Electrolux codesElectrolux oven codes

Error during closure of a file on the USB key - stops machine.

MyPros+ Max

Get the full diagnostic procedure for USFC.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What USFC means on a Electrolux oven

The USFC error code on an Electrolux oven indicates a file closure failure on a connected USB storage device. This error occurs when the oven's control system attempts to finalize writing or reading a file on the USB key and cannot successfully complete the closure operation. The result is an immediate machine stop, meaning the oven halts its current operation to prevent data corruption or uncontrolled behavior stemming from an incomplete file transaction.

This error is tied to the oven's USB communication interface, which is used for functions such as firmware updates, recipe transfers, diagnostic log exports, or software configuration uploads. When the control board initiates a file operation and sends a close command to the USB file system, the expected acknowledgment or completion signal does not return successfully. This can stem from physical issues with the USB port or key, corruption within the file system on the drive, or an incompatible USB device format.

Because the error stops the machine entirely, it is treated as a blocking fault rather than a background warning. The oven will not resume normal cooking operations until the condition is resolved. Technicians should focus on the USB device itself first, followed by the USB port on the control board, and finally the control board firmware version, as an outdated or corrupted firmware can mishandle file system operations on certain USB device types.

Source: manufacturer service documentation.

Common causes of USFC

  1. 01

    Faulty or incompatible USB drive

    Wiring / connection

    The USB key may be corrupted, low quality, or formatted in a file system the oven does not support. Try a different USB drive formatted to a compatible standard such as FAT32.

  2. 02

    USB drive removed during file operation

    Wiring / connection

    If the USB drive was unplugged while a file transfer or update was in progress, the file closure process cannot complete. Always allow operations to finish fully before removing the drive.

  3. 03

    Corrupted file or file system on the USB drive

    Wiring / connection

    File system errors on the USB key can prevent proper file closure. Running a disk check utility on the drive or reformatting it can resolve this condition.

  4. 04

    Damaged or dirty USB port on the oven

    Part replacement

    Physical damage, debris, or oxidation on the oven's USB port can cause an unreliable connection, leading to failed file operations. Inspect the port for bent pins, debris, or corrosion.

  5. 05

    Control board firmware issue

    Part replacement

    An outdated or corrupted firmware version on the control board may mishandle file system close commands for certain USB devices. A firmware update or control board replacement may be required if all other causes are ruled out.

See the test procedure for each cause

Frequently asked questions about USFC

What does USFC mean on a Electrolux oven?
USFC indicates that the oven encountered an error while trying to close a file on a connected USB key. This failure causes the oven to stop operation immediately. The error is related to the USB communication system used for tasks like firmware updates or data transfers, and it is not a cooking component failure.
Can I fix the USFC error myself without a technician?
In many cases, yes. Start by removing the USB drive from the oven and powering the unit off and back on to clear the fault. If the error was triggered by a specific USB drive, try replacing it with a different drive formatted to FAT32. If the error returns without any USB drive inserted, or persists after trying a new drive, a technician should inspect the USB port and control board.
Is it safe to use my oven while the USFC error is displayed?
The USFC error stops the machine, so the oven will not operate normally while the fault is active. The error is related to the USB file system and not the heating elements or gas system, so there is no inherent safety hazard from the fault itself. However, you should resolve the error before resuming cooking use.
Will resetting the oven clear the USFC error code?
A power reset may temporarily clear the error, but if the underlying cause such as a faulty USB drive or corrupted file remains, the fault will likely return the next time a USB operation is attempted. Removing or replacing the USB drive before resetting gives the best chance of a lasting resolution.
How much does it cost to repair a USFC error on an Electrolux oven?
If the issue is simply a bad USB drive, the cost is minimal, typically the price of a replacement USB key ranging from a few dollars to around $15 to $20. If the USB port on the oven is damaged and requires replacement as part of the control board, repair costs can range from $150 to $400 or more depending on parts and labor. A technician diagnostic visit typically runs $75 to $150 before parts.

Related Electrolux oven codes

All Electrolux oven codes
View all 186 Electrolux oven codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass