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Error code reference

GE Dishwasher Error Code Fast Wash LED flashing

Not Filling fault

GE codesGE dishwasher codes

Not Filling fault - pressure switch circuit has not sensed open (filled) condition after the selected fill time has expired.

First step from the service manual

Check water supply, water inlet solenoid valve, pressure switch, and fill time setting. Controller turns off all outputs.

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

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What Fast Wash LED flashing means on a GE dishwasher

The Fast Wash LED flashing on a GE dishwasher indicates a Not Filling fault. This fault is triggered when the pressure switch circuit fails to detect an open (filled) condition within the allotted fill time. The pressure switch monitors water level inside the tub by sensing pressure changes as water rises. When the controller does not receive confirmation from the pressure switch that the tub has filled adequately before the fill timer expires, it registers the fault, shuts off all outputs, and signals the error through the flashing LED.

The water inlet system involves several components that must work together: the household water supply, the water inlet solenoid valve, the pressure switch, and the controller's fill time parameters. A failure at any point in this chain can prevent the tub from reaching the required fill level. The solenoid valve controls water flow into the tub, and if it is clogged, stuck closed, or receiving insufficient voltage, water will not enter. If the pressure switch or its connecting hose is faulty, water may actually be present in the tub but the signal never reaches the controller.

Common root causes include restricted water supply lines, a failed or partially clogged inlet solenoid valve, a defective pressure switch, a kinked or disconnected pressure switch hose, or an incorrect fill time setting in the controller. Technicians should verify adequate water pressure at the supply line before moving to component-level diagnosis. The controller disabling all outputs during this fault is a protective measure to prevent pump damage from running dry.

Source: manufacturer service documentation.

Common causes of Fast Wash LED flashing

  1. 01

    Restricted or closed water supply

    Wiring / connection

    The shutoff valve under the sink may be partially or fully closed, or the supply line may be kinked or clogged. Check that the valve is fully open and that water flows freely to the dishwasher.

  2. 02

    Faulty or clogged water inlet solenoid valve

    Part replacement

    The inlet solenoid valve controls water entry into the tub. A clogged inlet screen, a burned solenoid coil, or a valve stuck in the closed position will prevent filling. Inspect the screen for debris and test the solenoid coil for proper resistance.

  3. 03

    Defective pressure switch

    Part replacement

    The pressure switch detects when the tub has reached the correct water level and sends that signal to the controller. A faulty switch may not register the filled condition even when water is present, causing the fault to trigger.

  4. 04

    Kinked or disconnected pressure switch hose

    Wiring / connection

    The pressure switch relies on a small hose connected to the tub to sense water level. If this hose is kinked, cracked, or has come loose, the switch cannot detect water pressure changes and will not signal a filled condition.

  5. 05

    Incorrect fill time setting in the controller

    Wiring / connection

    If the fill time parameter is set too short, the controller may declare a Not Filling fault before the tub has had adequate time to reach the required level. Verify the fill time setting is configured correctly for the installation.

See the test procedure for each cause

Frequently asked questions about Fast Wash LED flashing

What does Fast Wash LED flashing mean on a GE dishwasher?
The Fast Wash LED flashing indicates a Not Filling fault. The dishwasher attempted to fill with water during a cycle, but the pressure switch circuit did not confirm a filled condition before the fill time expired. The controller shuts off all outputs when this fault occurs to protect the pump and other components.
How do I fix the Fast Wash LED flashing error on my GE dishwasher?
Start by confirming the water supply shutoff valve is fully open and the supply line is not kinked. Next, inspect the water inlet solenoid valve for a clogged screen or a failed coil. Check the pressure switch and its connecting hose for damage or disconnection. If all components test correctly, verify the fill time setting in the controller is appropriate.
Will resetting my GE dishwasher clear the Fast Wash LED flashing error?
A reset may temporarily clear the fault code, but the error will return on the next cycle if the underlying problem is not corrected. The Not Filling fault is condition-based, meaning it will trigger again any time the tub fails to fill within the set time. Address the root cause before relying on a reset.
Is it safe to use my GE dishwasher while the Fast Wash LED is flashing?
No. When this fault occurs, the controller disables all outputs as a protective measure. Attempting to force a cycle without water present could damage the pump and heating element. The dishwasher should not be used until the filling issue is diagnosed and repaired.
How much does it cost to repair a GE dishwasher showing a Not Filling fault?
Repair costs depend on the failed component. A water inlet solenoid valve typically costs between $25 and $75 for the part, while a pressure switch generally runs $15 to $50. If professional labor is needed, expect to add $100 to $200 depending on your area. Supply line issues or a misconfigured fill time setting may cost nothing to resolve beyond your time.

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