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Error code reference

Electrolux Oven Error Code Hd01

Water solenoid valve EV1 not working

Electrolux codesElectrolux oven codes

Water solenoid valve EV1 not working - for boiler and boilerless stops cleaning; for boilerless stops humidification; for boiler stops humidification and combi cycles under 100°C.

First step from the service manual

Switch oven Off/On; if persists, check X2 on ACU.

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

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What Hd01 means on a Electrolux oven

The Hd01 error code on an Electrolux oven indicates a fault with water solenoid valve EV1, which is responsible for controlling water flow into the cooking system. This valve is a critical component in steam-assisted cooking functions. Depending on the oven configuration, the fault disables specific operations: on both boiler and boilerless models, the steam cleaning function is halted; on boilerless models, humidification cycles are also stopped; and on boiler models, humidification plus all combi cooking cycles operating below 100 degrees Celsius are suspended. The oven is protecting itself from running steam-dependent cycles without a confirmed water supply path.

The solenoid valve EV1 operates by receiving a control signal from the Appliance Control Unit (ACU), which energizes the valve coil to open the water inlet. When the ACU cannot confirm proper valve operation, whether due to an open circuit, a shorted coil, a wiring fault, or a failed valve body, it logs the Hd01 fault and disables the affected cycles. The first recommended diagnostic step is a power cycle, switching the oven fully off and back on, to rule out a transient control board error. If the fault persists after the power cycle, the diagnostic focus shifts to connector X2 on the ACU, which is the interface point for the EV1 solenoid valve circuit.

Checking connector X2 involves inspecting the connector for corrosion, loose pin terminals, or damaged wiring between the ACU and the solenoid valve. If the wiring and connector are intact, the solenoid coil itself should be tested for continuity and correct resistance. A coil that reads open or significantly out of specification confirms valve failure. Water supply pressure and any inline strainers or filters should also be evaluated, as restricted flow can contribute to valve malfunction over time.

Source: manufacturer service documentation.

Common causes of Hd01

  1. 01

    Loose or corroded connector at ACU X2

    Wiring / connection

    The connector X2 on the ACU is the first inspection point specified for this fault. A loose pin, corroded terminal, or damaged connector housing can interrupt the control signal to solenoid valve EV1, triggering the error without the valve itself being defective.

  2. 02

    Failed solenoid valve EV1 coil

    Part replacement

    The solenoid coil inside valve EV1 can fail due to burnout or an internal open circuit. Testing the coil with a multimeter for continuity will confirm whether the coil has failed and the valve needs replacement.

  3. 03

    Damaged or broken wiring harness

    Part replacement

    Wiring between the ACU and the solenoid valve EV1 can suffer from chafing, heat damage, or broken conductors. A visual inspection of the harness routing and a continuity check of each wire will identify this fault.

  4. 04

    ACU control board fault

    Part replacement

    If the wiring, connector, and solenoid valve all test within specification, the ACU itself may be failing to send the correct output signal to EV1. This is less common but should be considered after all other components are ruled out.

  5. 05

    Restricted water supply or blocked inlet strainer

    Wiring / connection

    A kinked water supply line or a clogged inlet strainer can prevent valve EV1 from operating correctly even if the valve receives proper electrical signals. Check the water supply connection and clean any inlet filter screen.

See the test procedure for each cause

Frequently asked questions about Hd01

What does Hd01 mean on a Electrolux oven?
The Hd01 code means the oven has detected a fault with water solenoid valve EV1, which controls water delivery for steam functions. As a result, steam cleaning is disabled on all affected models, and humidification plus combi cooking cycles below 100 degrees Celsius are also stopped depending on the oven type. The oven itself will continue to operate for standard dry cooking modes. A power cycle is the first recommended step to determine if the fault is persistent.
Will resetting the oven clear the Hd01 error?
Switching the oven fully off and back on may clear Hd01 if the fault was caused by a temporary control board glitch. However, if the error reappears after the power cycle, there is an underlying hardware problem with the solenoid valve EV1 or its wiring that requires hands-on diagnosis. A reset alone will not fix a failed coil, damaged wiring, or a faulty connector.
How do I fix the Hd01 error on my Electrolux oven?
Start by turning the oven off and on again to rule out a transient fault. If the code returns, inspect connector X2 on the ACU for loose pins, corrosion, or damaged terminals. If the connector looks good, test the solenoid valve EV1 coil for continuity and check the wiring harness between the valve and the ACU. Depending on what the inspection reveals, the fix may be as simple as reseating a connector or as involved as replacing the solenoid valve or wiring harness.
Is it safe to keep using my oven when Hd01 is displayed?
Standard dry baking and roasting functions are generally unaffected by the Hd01 fault, since the error specifically disables steam-dependent cycles. However, attempting to run steam cleaning, humidification, or low-temperature combi cycles while the fault is active will not work and could cause incomplete cycle execution. It is best to resolve the fault before using any steam or cleaning functions.
How much does it cost to repair an Electrolux oven showing the Hd01 error?
Repair costs vary depending on the root cause. If the issue is a loose or corroded connector, the cost may only involve a service call fee, typically in the range of $75 to $150. Replacing solenoid valve EV1 or a wiring harness generally adds $50 to $200 or more in parts, plus labor. If the ACU control board is at fault, board replacement can push total repair costs into the $300 to $600 range or higher depending on parts availability and local labor rates.

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