mypros+
Error code reference

Thermador Range Error Code E:13

WFMC washer

Thermador codesThermador range codes

WFMC washer: No water flow within 6 minutes (faulty inlet valve, wire harness, hose).

MyPros+ Max

Get the full diagnostic procedure for E:13.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What E:13 means on a Thermador range

The E:13 error code on this unit indicates that no water flow was detected within a 6-minute window after the fill cycle initiated. The control board monitors water intake through the inlet valve circuit and expects to register adequate flow within that timeframe. When flow is absent or insufficient, the board triggers E:13 and halts the cycle to prevent dry operation or overflow conditions caused by a stuck valve.

The three primary hardware areas involved are the water inlet valve, the wire harness connecting the valve to the control board, and the inlet hoses supplying water to the machine. The inlet valve is an electromechanical solenoid device that opens when energized by the control board. If the solenoid coil has failed, the valve will not open regardless of water pressure at the supply. A broken or corroded wire in the harness can prevent the energizing signal from reaching the valve or prevent the flow confirmation signal from returning to the board.

Physical restrictions are also a common source of this fault. Kinked supply hoses, closed shutoff valves, or clogged inlet screens at the valve body can all block water from entering even when the valve solenoid is functioning correctly. Low household water pressure can similarly prevent adequate flow from registering within the allotted 6-minute window. A thorough diagnosis should address all three areas, starting with the simplest mechanical checks before testing electrical continuity through the harness and valve solenoid.

Source: manufacturer service documentation.

Common causes of E:13

  1. 01

    Closed or restricted water supply valve

    Wiring / connection

    The shutoff valve behind the machine may be partially or fully closed, preventing water from reaching the inlet. Check that both hot and cold supply valves are fully open.

  2. 02

    Clogged inlet screen or kinked hose

    Wiring / connection

    Small mesh screens inside the inlet valve connections can accumulate sediment and restrict flow. Hoses that are kinked or pinched against the wall will also block water from entering.

  3. 03

    Failed water inlet valve

    Part replacement

    The solenoid coil inside the inlet valve may have burned out, preventing the valve from opening when the control board sends the energizing signal. A failed solenoid will require valve replacement.

  4. 04

    Damaged or corroded wire harness

    Part replacement

    A break, short, or corroded connector in the harness between the control board and the inlet valve can interrupt the electrical signal needed to open the valve. Inspect connectors and wiring for visible damage or corrosion.

  5. 05

    Insufficient household water pressure

    Wiring / connection

    If household water pressure is too low, the machine may not be able to fill fast enough to satisfy the flow requirement within 6 minutes. This can also occur if other fixtures are drawing water simultaneously during the fill cycle.

See the test procedure for each cause

Frequently asked questions about E:13

What does E:13 mean on a Thermador range?
E:13 indicates that the washer detected no water flow within 6 minutes of starting a fill cycle. The code points to a problem in the water supply path, which can include the inlet valve, the supply hoses, or the wire harness connecting the valve to the control board. The machine stops the cycle automatically to prevent damage from running without water.
Can I fix E:13 myself without calling a technician?
Some causes of E:13 are straightforward to address without professional help, such as opening a closed supply valve, straightening a kinked hose, or cleaning a clogged inlet screen. If those checks do not resolve the error, testing the inlet valve solenoid and wire harness continuity requires a multimeter and some familiarity with appliance electrical systems. Replacing the inlet valve is a moderate DIY repair, but if you are not comfortable working with water connections and electrical components, a technician is the safer option.
Is E:13 a safety hazard I need to address immediately?
E:13 itself is not an immediate safety hazard because the machine has already stopped the cycle when the code appears. However, you should not attempt to bypass or ignore the error, as running the machine in a faulted state could damage the pump or other internal components. Address the root cause before running another cycle.
How much does it cost to repair E:13 on a Thermador washer?
If the fix is simply opening a supply valve or clearing a clogged screen, there is no parts cost involved. Replacing a water inlet valve typically costs between $40 and $120 for the part alone, depending on the specific valve required. If a technician is needed for diagnosis and repair, total costs including labor generally range from $100 to $300 depending on your location and what component requires replacement.
Will resetting the washer clear the E:13 error code?
A reset may temporarily clear the E:13 code, but the error will return as soon as the machine attempts to fill again if the underlying cause has not been corrected. Resetting without fixing the water supply issue does not resolve the fault. Always diagnose and address the root cause before attempting to resume normal operation.

Related Thermador range codes

All Thermador range codes
View all 180 Thermador range codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass