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Error code reference

GE Dishwasher Error Code Clean

Turbidity Sensor Error

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Turbidity Sensor Error – Control detecting short or open circuit at turbidity sensor. May also occur on models without turbidity sensor.

First step from the service manual

Check turbidity sensor connections and resistance; enter Consumer Error Mode to confirm fault.

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

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What Clean means on a GE dishwasher

The "Clean" light flashing as an error code on a GE dishwasher indicates a turbidity sensor fault. The control board is detecting either a short circuit or an open circuit at the turbidity sensor circuit. The turbidity sensor is responsible for measuring the cloudiness or soil level of the wash water, allowing the control to adjust cycle length and water usage accordingly. When the control cannot read a valid signal from this sensor, it flags the fault and illuminates the Clean light in an error pattern.

This fault can originate from a failed turbidity sensor, damaged wiring in the sensor harness, corroded or loose connector pins, or a control board that has lost the ability to properly interpret the sensor signal. One important distinction with this code is that it can also appear on GE dishwasher models that were not equipped with a turbidity sensor from the factory. In those cases, the control board software still monitors for the sensor circuit, and the absence of the component can register as an open circuit fault.

Diagnosing this code begins with entering the Consumer Error Mode on the dishwasher to confirm the active fault. From there, technicians should inspect the turbidity sensor wiring harness for visible damage, check connector integrity, and measure sensor resistance to determine if the component itself is within specification. If the machine has no turbidity sensor installed, a software or control board issue may be responsible for the erroneous fault detection.

Source: manufacturer service documentation.

Common causes of Clean

  1. 01

    Faulty or failed turbidity sensor

    Part replacement

    The turbidity sensor itself may have failed internally, producing a resistance reading that falls outside the expected range or no reading at all. Measuring the sensor resistance at the connector and comparing it to the expected specification will confirm this.

  2. 02

    Loose or corroded sensor connector

    Wiring / connection

    The wiring connector at the turbidity sensor can become loose, corroded, or contaminated with moisture over time, interrupting the circuit. Inspect the connector pins for oxidation, debris, or physical looseness and reseat the connection firmly.

  3. 03

    Damaged wiring harness

    Part replacement

    The wiring between the turbidity sensor and the control board may be pinched, broken, or shorted against the dishwasher tub or frame. Visually trace the harness and use a multimeter to check for continuity and insulation breakdown.

  4. 04

    Model not equipped with a turbidity sensor

    Wiring / connection

    On GE dishwasher models that were never fitted with a turbidity sensor, the control board software may still monitor for the sensor circuit and log an open circuit fault. Confirming whether the model includes a turbidity sensor in its design is a necessary early step.

  5. 05

    Defective control board

    Part replacement

    If the sensor and all wiring check out correctly, the control board itself may have a failed input circuit that is misreading the sensor signal as a short or open. This is the least likely cause and should be confirmed only after all other components are ruled out.

See the test procedure for each cause

Frequently asked questions about Clean

What does Clean mean on a GE dishwasher?
When the Clean light flashes as an error code on a GE dishwasher, it indicates a turbidity sensor fault. The control board has detected either a short circuit or an open circuit in the turbidity sensor circuit. This sensor monitors water clarity to help the dishwasher adjust its wash cycle, and a loss of communication with it triggers the error. Notably, this code can also appear on models that do not have a turbidity sensor installed.
How do I fix the Clean error code on my GE dishwasher?
Start by entering the Consumer Error Mode on your GE dishwasher to confirm the turbidity sensor fault is active. Then inspect the turbidity sensor wiring harness and connector for corrosion, looseness, or damage, and check the sensor resistance with a multimeter. If the sensor is faulty, it will need to be replaced. If no sensor is installed on your model, the issue may point to a control board problem.
Is it safe to use my GE dishwasher when the Clean error is showing?
A turbidity sensor fault does not typically create an immediate safety hazard, but it does mean the dishwasher may not be operating its wash cycle correctly. The machine may not adjust water usage or cycle duration properly without valid sensor input. It is best to address the fault before continuing regular use to avoid poor wash performance or potential control board stress.
How much does it cost to repair the Clean turbidity sensor error on a GE dishwasher?
If only the turbidity sensor needs replacement, parts typically range from around $20 to $60 depending on the specific model. If a technician is needed for diagnosis and repair, total costs including labor can range from $100 to $250. Control board replacement, if required, will push costs higher, often into the $200 to $400 range for parts and labor combined.
Will resetting my GE dishwasher clear the Clean error code?
A basic power reset may temporarily clear the Clean error code, but the fault will return if the underlying cause is not corrected. Because this error is tied to a detected circuit condition at the turbidity sensor, the control board will continue logging the fault each time it checks the sensor input. Proper repair of the sensor, wiring, or connector is required for a lasting fix.

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