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Error code reference

Electrolux Oven Error Code FrA2

The FRAM power fail data calculated MD5 is different as the stored one

Electrolux codesElectrolux oven codes

The FRAM power fail data calculated MD5 is different as the stored one - blocks machine, fatal error.

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What FrA2 means on a Electrolux oven

The FrA2 error code on an Electrolux oven indicates a fatal FRAM (Ferroelectric Random Access Memory) integrity failure. Specifically, the control board calculates an MD5 checksum of the data stored in FRAM and compares it against a previously stored MD5 hash value. When these two values do not match, the board determines that the stored data has been corrupted or altered and triggers the FrA2 fault. This is a block-level fault, meaning the oven will not operate until the condition is resolved.

FRAM is a type of non-volatile memory used by the oven's electronic control board to retain critical operational data such as calibration settings, cycle history, and configuration parameters. Unlike standard flash memory, FRAM retains data without power but can still suffer corruption due to electrical disturbances, component degradation, or failed write operations. The MD5 checksum mechanism is a data integrity verification tool that detects even small deviations in stored data, which is why this error is classified as fatal rather than advisory.

Because the fault originates within the control board's onboard memory, external components such as sensors, heating elements, or wiring are rarely the root cause. The most likely scenarios involve a power surge or interruption during a write cycle, long-term FRAM cell degradation, or a failing control board. Since the oven is blocked from operating, repair requires addressing the control board directly, either through reprogramming if supported by service tools, or full board replacement.

Source: manufacturer service documentation.

Common causes of FrA2

  1. 01

    Power surge or interruption during data write

    Wiring / connection

    If the oven loses power or experiences a voltage spike while the control board is writing data to FRAM, the stored data can become corrupted, causing the MD5 checksum to fail on the next verification cycle.

  2. 02

    Failed or degraded control board FRAM chip

    Part replacement

    Over time, the FRAM memory cells on the control board can degrade and begin to lose data integrity. This type of hardware-level failure typically requires control board replacement.

  3. 03

    Control board failure

    Part replacement

    A broader failure of the electronic control board can result in FRAM data becoming unreadable or mismatched. This is a common outcome when other board components fail and interfere with memory operations.

  4. 04

    Corrupted factory or calibration data

    Wiring / connection

    If the board's calibration or configuration data was improperly written or became corrupted during a prior firmware or settings update, the MD5 hash will not match, triggering this fatal fault.

See the test procedure for each cause

Frequently asked questions about FrA2

What does FrA2 mean on a Electrolux oven?
FrA2 indicates a FRAM memory integrity failure on the electronic control board. The oven calculates an MD5 checksum of its stored FRAM data and compares it to a saved reference value. When those values differ, the oven detects data corruption and blocks all operation as a safety and reliability measure. This is classified as a fatal error and requires technical intervention to resolve.
Can I reset the oven to clear the FrA2 error?
A basic power reset, such as unplugging the oven or cycling the circuit breaker, is unlikely to permanently clear the FrA2 error because the fault is rooted in corrupted FRAM data on the control board. If the underlying data mismatch is not corrected, the error will return immediately after the board performs its integrity check. In some cases a reset may temporarily suppress the display, but the oven will remain blocked from normal use.
Is it safe to use my Electrolux oven when FrA2 is showing?
No. The FrA2 error is a blocking fault, which means the oven is designed to prevent operation until the error is resolved. Attempting to bypass or ignore this fault is not advisable, as the corrupted memory data could affect how the oven manages temperature control and other critical functions. The oven should remain out of service until a technician has diagnosed and repaired the issue.
How much does it cost to fix a FrA2 error on an Electrolux oven?
Repair costs depend on whether the control board can be reprogrammed or must be replaced. If a board replacement is needed, parts alone can range from roughly $150 to $400 or more depending on the specific model, with additional labor costs on top of that. Diagnostic fees from a certified technician typically range from $75 to $150. Getting a repair estimate before proceeding is recommended, especially on older units where the repair cost may approach the value of the appliance.
What part needs to be replaced to fix the FrA2 error?
The FrA2 error points directly to the electronic control board, specifically the FRAM memory component on that board. In most cases the entire control board is replaced as an assembly, since the FRAM chip is integrated into the board and not typically serviced separately. A technician may first attempt to clear or rewrite the FRAM data using specialized service tools before recommending full board replacement.

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