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Error code reference

GE Dishwasher Error Code F144

Inverter error detected.

GE codesGE dishwasher codes

Inverter error detected.

First step from the service manual

Check harnessing, replace inverter.

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

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  • 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
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What F144 means on a GE dishwasher

The F144 error code on a GE dishwasher indicates that the control system has detected a fault within the inverter module. The inverter is responsible for converting DC power to variable-frequency AC power to drive the wash pump motor at different speeds. When the control board cannot communicate properly with the inverter, receives out-of-range feedback signals, or detects an internal inverter failure, it triggers this fault code and halts dishwasher operation to prevent further damage.

The most common entry point for diagnosing F144 is the wiring harness connecting the inverter to the main control board. Damaged, corroded, or loose connector pins can disrupt the signal and power pathways that the inverter depends on, causing the control system to log a fault even when the inverter itself is functional. Technicians should inspect all harness connectors for moisture intrusion, terminal corrosion, bent pins, or chafed wire insulation before condemning the inverter module itself.

If the wiring harness checks out and all connections are secure with no visible damage, the inverter module is the next component to address. Inverter failures can stem from internal component degradation, heat stress over time, or power surge events. Because the inverter integrates complex electronics, it is not a field-repairable component and must be replaced as a unit when confirmed faulty. Replacement restores proper motor control and clears the fault condition.

Source: manufacturer service documentation.

Common causes of F144

  1. 01

    Loose or damaged wiring harness

    Wiring / connection

    A disconnected, corroded, or chafed harness connector between the inverter and the control board is the first thing to check. Moisture and heat cycles inside the dishwasher can degrade connector terminals over time, causing intermittent or complete signal loss.

  2. 02

    Failed inverter module

    Part replacement

    The inverter itself can fail due to internal component breakdown, heat stress, or electrical surges. When the inverter module is confirmed faulty after harness inspection, it must be replaced as a complete unit.

  3. 03

    Corroded or loose connector terminals

    Wiring / connection

    Even if wiring is intact, individual terminal pins within the harness connectors can corrode or back out of their housings. Inspect each connector carefully for green corrosion, loose pins, or moisture contamination.

  4. 04

    Power surge damage

    Part replacement

    A voltage spike from the home electrical supply can damage the sensitive electronics inside the inverter module. If the fault appeared after a power outage or storm event, surge-related inverter damage is a strong possibility.

See the test procedure for each cause

Frequently asked questions about F144

What does F144 mean on a GE dishwasher?
F144 indicates that the dishwasher's control system has detected an inverter error. The inverter module controls the wash pump motor speed and operation, and when the control board receives a fault signal from it, it logs F144 and stops the cycle. Diagnosis starts with inspecting the wiring harness and connectors, and may require replacing the inverter module if wiring is found to be intact.
Can I fix F144 on my GE dishwasher myself?
A knowledgeable DIYer can start by checking the harness connectors leading to the inverter for obvious damage, corrosion, or loose connections, and re-seating them if needed. However, if the inverter module itself has failed, replacing it involves working with internal electronics and electrical connections that are best handled by a qualified technician. Always disconnect power to the dishwasher before inspecting any internal components.
Will resetting my GE dishwasher clear the F144 error?
A reset may temporarily clear the F144 code, but if the underlying problem with the inverter or its wiring is still present, the fault will return as soon as the dishwasher attempts to run a cycle. A reset is a useful first step to confirm whether the fault is persistent, but it does not substitute for proper diagnosis and repair of the inverter system.
Is it safe to use my GE dishwasher with an F144 error?
You should not continue operating the dishwasher while F144 is active. The code indicates a fault in the inverter, which controls the pump motor, and running the appliance in this condition could cause additional damage to the motor or control electronics. The dishwasher will typically halt operation on its own when this fault is detected, which is a built-in protection measure.
How much does it cost to repair a GE dishwasher with an F144 error?
If only the wiring harness needs to be repaired or reconnected, costs can be relatively low, typically in the range of $75 to $150 for a service call and labor. If the inverter module itself needs to be replaced, parts and labor combined can range from $200 to $400 or more depending on the specific model and local labor rates. Getting a technician diagnosis first is the best way to understand the actual repair cost before committing.

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