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Error code reference

GE Dishwasher Error Code F212

A fault has been detected on the machine control board.

GE codesGE dishwasher codes

A fault has been detected on the machine control board.

First step from the service manual

Replace the machine control board.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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  • Wiring diagram references and connector pinouts from the OEM service manual
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What F212 means on a GE dishwasher

The F212 error code on a GE dishwasher indicates that an internal fault has been detected on the machine control board. The machine control board is the central processing unit of the dishwasher, responsible for managing all operational functions including wash cycles, water fill, drain sequencing, temperature control, and communication with the user interface. When the board's internal diagnostics detect an anomaly it cannot resolve or work around, it triggers the F212 code to alert the technician that the board itself is the source of the failure.

This type of fault is typically caused by a hardware failure within the control board rather than an external wiring or sensor issue. Common causes include failed microprocessors or relay components on the board, corrupted firmware, voltage irregularities from power surges, or physical damage such as moisture intrusion or burned circuits. Because the fault originates on the board itself, external diagnostic checks of connected components often return normal readings, which helps confirm the board is the root cause.

Given that the first recommended diagnostic step is direct replacement of the machine control board, this code generally indicates the board has failed beyond the point of reset or software recovery. Unlike some error codes that can be cleared by cycling power or inspecting a connected component, F212 points conclusively to the control board as the failed unit. Technicians should confirm line voltage to the board is correct before replacement to rule out an upstream power issue that could damage a new board.

Source: manufacturer service documentation.

Common causes of F212

  1. 01

    Failed machine control board

    Part replacement

    The control board's internal components such as relays, microprocessors, or power regulators have failed. This is the primary cause indicated by the F212 code, and the board will need to be replaced.

  2. 02

    Power surge or voltage spike

    Part replacement

    A sudden surge in electrical supply voltage can damage the control board's circuitry. Inspect the board for visible burn marks or damaged components, and check that incoming line voltage is within the correct range before installing a replacement.

  3. 03

    Moisture or water damage to the control board

    Part replacement

    Water intrusion into the control board housing can short circuit traces or corrode connections. Look for signs of corrosion, mineral deposits, or water staining on the board surface.

  4. 04

    Corrupted board firmware

    Part replacement

    In rare cases the board's onboard firmware can become corrupted, causing it to flag an internal fault. A power reset can be attempted first, but if the code returns immediately, board replacement is required.

  5. 05

    Loose or damaged wiring harness connections

    Wiring / connection

    Although F212 points directly to the control board, loose power supply connectors at the board can cause it to operate erratically and trigger internal faults. Inspect all harness connectors at the board for secure seating before replacing the board.

See the test procedure for each cause

Frequently asked questions about F212

What does F212 mean on a GE dishwasher?
The F212 code on a GE dishwasher means the machine control board has detected an internal fault within itself. The control board runs every function of the dishwasher, and when its self-diagnostics identify a failure it cannot recover from, it displays F212. This code points directly to the control board as the failed component.
Can I fix the F212 error code myself, or do I need a technician?
A knowledgeable DIYer who is comfortable working with appliance electronics can replace the machine control board, which is the required fix for F212. Before ordering a replacement board, check that all wiring harness connectors at the board are fully seated and confirm that incoming voltage is correct. If you are not comfortable working around electrical components, a qualified technician should perform the repair.
Will resetting my GE dishwasher clear the F212 error?
A power reset, such as unplugging the dishwasher for a few minutes or tripping its circuit breaker, is worth attempting as a first step, but it is unlikely to permanently clear F212. Because this code reflects an internal hardware fault on the control board, the error will typically return immediately or at the next cycle attempt. Persistent F212 codes require control board replacement.
Is it safe to use my GE dishwasher while it shows the F212 error?
It is not advisable to continue operating the dishwasher while F212 is active. A faulty control board may not correctly manage water fill, heating, or drain functions, which could lead to improper operation or water-related issues. The dishwasher should be kept off until the control board has been inspected and replaced.
How much does it cost to fix a GE dishwasher F212 error?
The cost to fix a GE dishwasher F212 error depends on whether you do it yourself or hire a technician. A replacement machine control board typically costs in the range of $100 to $250 for the part alone. If you hire a repair professional, total costs including labor generally range from $200 to $400 or more depending on your location and service rates.

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