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Error code reference

Thermador Range Error Code Er:14

WFR 2460 washer

Thermador codesThermador range codes

WFR 2460 washer: Water inlet time exceeded (W controller after 6 min).

First step from the service manual

Start T/P 9 controller test programme.

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
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What Er:14 means on a Thermador range

Er:14 on a Thermador WFR 2460 washer-equipped range indicates that the water inlet time has been exceeded. Specifically, the W (water) controller triggers this fault after 6 minutes have elapsed without the system reaching the expected water fill level or completing the inlet cycle. This points to a failure somewhere in the water supply or inlet circuit that prevents the appliance from receiving water at the required rate within the allotted time window.

The WFR 2460 is a self-cleaning or steam-assisted range component that relies on a controlled water inlet process managed by the W controller. When the controller initiates a fill cycle, it monitors elapsed time against expected fill completion. If the inlet valve fails to open fully, water pressure is insufficient, or a blockage restricts flow, the controller records a timeout and throws Er:14. The 6-minute threshold is a hard limit built into the controller logic to prevent overflow conditions or dry-run operation.

Diagnosing this fault begins with running the T/P 9 controller test programme, which exercises the water inlet components in a controlled sequence and helps isolate whether the fault lies in the inlet valve, the water supply pressure, the wiring harness to the valve, or the W controller itself. Technicians should verify incoming water pressure, inspect the inlet valve solenoid for continuity and correct resistance, and check the supply line and filter screen for blockages before suspecting controller failure.

Source: manufacturer service documentation.

Common causes of Er:14

  1. 01

    Restricted or closed water supply

    Wiring / connection

    If the supply shutoff valve is partially or fully closed, or if the supply line has a kink or blockage, water flow will be too slow to complete the fill cycle. Check that the supply valve is fully open and the line is unobstructed.

  2. 02

    Clogged inlet valve filter screen

    Wiring / connection

    A fine mesh screen at the water inlet valve connection can accumulate sediment and mineral deposits over time, severely restricting flow. Remove the supply line and inspect the screen for debris; it can often be cleaned or must be replaced.

  3. 03

    Faulty water inlet valve solenoid

    Part replacement

    The inlet valve solenoid may have failed electrically or mechanically, preventing it from opening fully or at all. Check the solenoid coil for proper continuity and resistance values; a solenoid outside spec requires valve replacement.

  4. 04

    Low household water pressure

    Wiring / connection

    Insufficient incoming water pressure can cause the fill cycle to run too slowly to complete within the 6-minute window. Verify that line pressure meets the appliance minimum requirement at the point of connection.

  5. 05

    W controller fault or wiring harness issue

    Part replacement

    If the wiring harness between the W controller and the inlet valve has a break, loose connector, or short, the valve will not receive the correct signal to open. Run the T/P 9 controller test programme to help isolate whether the controller itself is generating the fault incorrectly.

See the test procedure for each cause

Frequently asked questions about Er:14

What does Er:14 mean on a Thermador range?
Er:14 indicates that the WFR 2460 water inlet cycle exceeded the 6-minute time limit set by the W controller. The appliance attempted to bring water in for a steam or cleaning function but could not complete the fill within the allowed window. This points to a problem with the water supply, the inlet valve, or the controller circuit. A technician should run the T/P 9 test programme as the first diagnostic step.
Can I fix Er:14 on my Thermador range myself?
Some causes are DIY-friendly, such as opening a closed supply valve, removing a kinked supply hose, or cleaning a clogged inlet screen. However, testing the solenoid valve, inspecting the wiring harness, or evaluating the W controller requires basic electrical knowledge and a multimeter. If you are not comfortable working with appliance wiring or water connections, a qualified technician is recommended.
Is it safe to use my Thermador range while Er:14 is displayed?
Er:14 is specific to the water inlet system used for steam or self-cleaning functions. Basic cooking on the range burners or oven may still be possible, but any function that requires water will not operate correctly and should not be forced. Continuing to initiate water-dependent cycles while the fault is unresolved could stress the controller or other components.
Will resetting the Thermador range clear the Er:14 code?
A power reset may temporarily clear the fault display, but the code will return as soon as the appliance attempts another water inlet cycle if the underlying problem is not resolved. Clearing the code without fixing the root cause does not restore normal function. The T/P 9 controller test programme should be run to properly diagnose the fault before assuming a reset has resolved it.
How much does it cost to repair Er:14 on a Thermador range?
Repair costs vary depending on the root cause. If only a supply line cleaning or valve adjustment is needed, costs may be limited to a service call fee, typically in the range of $75 to $150. Replacing a faulty water inlet valve generally adds $50 to $200 in parts. If the W controller itself has failed, parts and labor combined can range from $200 to $500 or more depending on availability and labor rates in your area.

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