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Error code reference

Fisher & Paykel Dishwasher Error Code E1

Flood detected

Fisher & Paykel codesFisher & Paykel dishwasher codes

Flood detected - water spillage detected by the flood sensor in the base of the product.

First step from the service manual

Check for water in the base of the chassis and identify the source of the leak.

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

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What E1 means on a Fisher & Paykel dishwasher

The E1 error code on a Fisher & Paykel dishwasher indicates that the flood protection system has been triggered. A float sensor or reed switch located in the base pan of the appliance has detected the presence of water where it should not be. This sensor is designed as a safety mechanism to halt the wash cycle and prevent water from overflowing onto the floor or causing damage to surrounding cabinetry and flooring.

When water accumulates in the base chassis, it lifts a float that activates the sensor, which in turn signals the control board to stop operation and display the E1 code. The water in the base can arrive through several pathways, including a leaking door seal, a cracked or disconnected hose, a faulty pump assembly, or a worn tub seal. The volume of water required to trigger the sensor is typically small, meaning even a slow drip over time can accumulate and activate the fault.

Diagnosing E1 requires physically inspecting the interior base of the dishwasher for standing water. The source of the intrusion must be identified and repaired before the water is removed and the unit is restarted. Simply clearing the water without addressing the source will cause the error to return immediately or during the next wash cycle. Technicians should trace all water-carrying components including inlet hoses, drain hoses, the door gasket, the circulation pump, and the sump area to locate the origin of the leak.

Source: manufacturer service documentation.

Common causes of E1

  1. 01

    Leaking door gasket

    Part replacement

    The rubber seal around the dishwasher door can crack, warp, or pull away from its channel over time, allowing water to escape during the wash cycle and drip into the base pan. Inspect the gasket around the full perimeter of the door for visible tears, deformation, or gaps.

  2. 02

    Loose or damaged hose connection

    Part replacement

    Inlet hoses, drain hoses, or internal circulation hoses can loosen at their fittings or develop small cracks, causing water to drip into the base. Check all hose connections under and behind the unit for moisture, corrosion, or visible damage.

  3. 03

    Leaking pump or pump seal

    Part replacement

    The circulation pump or its shaft seal can wear and begin leaking water into the base pan during operation. Signs include water pooling directly beneath the pump housing when the machine runs.

  4. 04

    Overfilling due to faulty inlet valve

    Part replacement

    A water inlet valve that does not close properly can allow excess water into the tub, eventually causing it to spill over into the base pan. This is more likely if the dishwasher shows signs of overfilling or water on the floor during the fill phase.

  5. 05

    Residual water from a previous spill or installation issue

    Wiring / connection

    Water may have entered the base pan during installation, a prior overflow event, or from an external source such as a nearby plumbing leak. If no active leak is found after a thorough inspection, the base pan may contain old water that simply needs to be removed and dried.

See the test procedure for each cause

Frequently asked questions about E1

What does E1 mean on a Fisher & Paykel dishwasher?
The E1 code means the dishwasher has detected water in the base pan of the unit, which is the area beneath the tub. A flood sensor located in the base has been triggered, causing the machine to stop operation as a safety precaution. The error will remain active until the source of the water intrusion is identified, the leak is repaired, and the standing water is removed from the base.
How do I fix an E1 error on my Fisher & Paykel dishwasher?
Start by pulling the dishwasher forward enough to access the base and check for visible standing water. Identify the source of the leak by inspecting the door gasket, all hose connections, the pump, and the inlet valve. Once the faulty component is repaired or replaced, dry out the base pan completely and restart the unit. If you cannot locate the source of the leak, a technician should perform a more thorough inspection with the machine running.
Is it safe to use my dishwasher when it shows an E1 error?
No, you should not attempt to run the dishwasher while the E1 error is active. The machine has shut down specifically to prevent water damage and potential electrical hazards from water contacting internal components. The dishwasher should remain off until the leak is located and fully resolved.
Will resetting my Fisher & Paykel dishwasher clear the E1 error?
A reset will not permanently clear the E1 error if water remains in the base pan or if the underlying leak has not been repaired. The flood sensor will re-trigger as soon as the machine attempts to fill or run. The base pan must be dried out and the source of the water intrusion fixed before the error will clear and stay clear.
How much does it cost to repair an E1 error on a Fisher & Paykel dishwasher?
Repair costs vary depending on the cause. Replacing a door gasket is typically one of the less expensive fixes, often falling in the range of $50 to $150 for parts and labor. A pump seal or inlet valve replacement may range from $100 to $300 or more depending on parts availability and labor rates in your area. Diagnosing the exact source of the leak is the critical first step before any cost estimate can be made.

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