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Error code reference

GE Dishwasher Error Code F13

Inverter error received.

GE codesGE dishwasher codes

Inverter error received.

First step from the service manual

Check inverter and harness.

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

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What F13 means on a GE dishwasher

The F13 error code on a GE dishwasher indicates that the control board has received an inverter error signal. The inverter in this context refers to the motor inverter drive, which is the electronic component responsible for converting DC voltage to the variable-frequency AC power used to control the wash motor speed. When the inverter detects an internal fault or reports an out-of-range condition back to the main control, the F13 code is triggered and the dishwasher halts operation to prevent further damage.

The most common causes of this error fall into two categories: a wiring or connection fault between the inverter and the control board, or an actual failure within the inverter module itself. The wiring harness connecting these components can develop loose terminals, corrosion, or breaks that interrupt the communication signal. Because the inverter handles high-frequency switching and relatively high current loads during motor operation, connector terminals in this circuit are subject to heat stress over time.

Diagnosis should begin with a thorough inspection of the inverter and its associated harness, as the first diagnostic step directs. Check for any visible damage to the wiring, inspect connectors for corrosion or pushed-back terminals, and verify secure seating at both the inverter and control board ends. If the harness checks out, the inverter module itself is the likely failed component and will typically need replacement to resolve the fault.

Source: manufacturer service documentation.

Common causes of F13

  1. 01

    Loose or damaged wiring harness

    Wiring / connection

    The harness connecting the inverter to the control board may have a loose terminal, broken wire, or corroded connector. Inspect the full length of the harness and reseat all connectors before replacing any parts.

  2. 02

    Failed inverter module

    Part replacement

    The inverter itself may have developed an internal fault due to heat stress, power surge, or general wear. If the harness is intact and properly connected, the inverter module is the primary suspect and will need to be replaced.

  3. 03

    Corroded or damaged connector terminals

    Wiring / connection

    Terminals at the inverter or control board connector points can corrode or back out over time, interrupting the communication signal. Look for discoloration, greenish buildup, or bent pins at each connector.

  4. 04

    Control board fault

    Part replacement

    In some cases the main control board may incorrectly report or fail to properly process the inverter signal, even when the inverter is functioning correctly. This is less common but should be considered if a confirmed-good inverter still triggers the code.

See the test procedure for each cause

Frequently asked questions about F13

What does F13 mean on a GE dishwasher?
F13 on a GE dishwasher means the control board has received an inverter error. The inverter is the electronic component that controls the speed of the wash motor, and this code indicates it has reported a fault or has lost proper communication with the main control board. The dishwasher will stop operating until the issue is diagnosed and corrected.
Can I fix the F13 error myself on a GE dishwasher?
A knowledgeable DIYer can start by inspecting the wiring harness between the inverter and control board for loose connectors, corrosion, or visible damage, since a connection issue is often the cause. Reseating connectors requires no special tools and costs nothing. However, if the inverter module itself has failed, replacing it involves working near high-voltage components and may be better suited to a qualified technician.
Will resetting my GE dishwasher clear the F13 error?
A reset may temporarily clear the F13 code, but if the underlying fault in the inverter or harness is still present, the error will return once the dishwasher attempts to run the wash motor again. A reset is useful for confirming whether the fault is intermittent or persistent, but it does not fix the root cause.
Is it safe to use my GE dishwasher when the F13 code is showing?
No, you should not attempt to run the dishwasher while F13 is active. The code indicates a fault in the motor drive system, and the dishwasher has halted operation as a protective measure. Attempting to force a cycle with a faulty inverter could cause additional damage to the motor or control electronics.
How much does it cost to repair a GE dishwasher F13 error?
If the fix is simply reseating a loose connector or cleaning a corroded terminal, the repair cost can be minimal or zero beyond your own time. If the inverter module needs replacement, parts alone typically range from around $80 to $200 or more depending on the model, with professional labor adding another $100 to $200 in most markets.

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