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Error code reference

Bosch Washer Error Code Er:11

No water flow within 6 minutes

Bosch codesBosch washer codes

No water flow within 6 minutes — faulty inlet valve, wire harness, or hose.

First step from the service manual

Run tests P8/P9/P13; check water inlet valve, wire harness, and hoses.

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

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What Er:11 means on a Bosch washer

Er:11 on a Bosch washer indicates that the control system did not detect adequate water flow entering the machine within a 6-minute window after the fill cycle began. The washer monitors incoming water through the water inlet valve and associated sensors. When the expected volume of water fails to reach the tub in the allotted time, the control board halts the cycle and stores this fault code to prevent damage from running dry.

The most likely sources of this fault are the water inlet valve itself, the wiring harness connecting the valve to the control board, or the supply hoses feeding the machine. The inlet valve is an electrically actuated solenoid component. If the solenoid coil has failed, the valve will not open regardless of command signals from the control board. A damaged or corroded wire harness can similarly interrupt the signal path between the board and the valve.

Diagnostic procedures P8, P9, and P13 are used to systematically test water fill behavior and related electrical circuits. Technicians should run these tests before replacing components. Physical inspection should also include checking inlet hoses for kinks, clogs, or shutoff valves that are partially closed, as restricted water pressure can cause fill times to exceed the 6-minute threshold even when the valve and wiring are otherwise functional.

Source: manufacturer service documentation.

Common causes of Er:11

  1. 01

    Faulty water inlet valve

    Part replacement

    The inlet valve solenoid may have failed and is not opening to allow water flow. This can be confirmed by running diagnostic tests P8 or P9 and checking for proper valve actuation.

  2. 02

    Kinked or blocked inlet hose

    Wiring / connection

    A kinked supply hose or a clogged inlet screen filter can restrict flow enough to trigger the 6-minute timeout. Inspect both hot and cold hoses and clean the mesh screens at the hose connection points.

  3. 03

    Closed or partially closed water supply valve

    Wiring / connection

    The shutoff valves behind the washer may not be fully open, severely limiting water pressure. Confirm both valves are turned completely counterclockwise.

  4. 04

    Damaged or corroded wire harness

    Part replacement

    A break or corrosion in the wiring between the control board and the inlet valve can prevent the valve from receiving the signal to open. Inspect the harness for visible damage, loose connectors, or burnt terminals.

  5. 05

    Low household water pressure

    Wiring / connection

    If overall home water pressure is too low, the washer may not fill quickly enough to meet the 6-minute requirement. Test pressure at a nearby faucet or with a gauge to rule this out.

See the test procedure for each cause

Frequently asked questions about Er:11

What does Er:11 mean on a Bosch washer?
Er:11 means the washer did not detect sufficient water entering the tub within 6 minutes of starting a fill cycle. The control board monitors incoming water flow and stops the cycle when this threshold is not met. The fault points to the water inlet valve, the wire harness connecting it to the control board, or the supply hoses. Diagnostic tests P8, P9, and P13 are used to pinpoint the cause.
Can I fix Er:11 myself without calling a technician?
Some causes of Er:11 are easy to address without professional help. Start by confirming the water supply valves behind the washer are fully open, checking the inlet hoses for kinks, and cleaning the mesh screens at the hose connection points. If these checks do not resolve the fault, diagnosing and replacing the inlet valve or wire harness typically requires more technical knowledge and appropriate tools.
Is it safe to keep using my washer when Er:11 is showing?
It is not recommended to continue running the washer with an active Er:11 fault. The machine has already halted the cycle to prevent operating without adequate water. Forcing repeated attempts without resolving the underlying issue could cause additional wear on the control board or pump components over time.
How much does it cost to repair Er:11 on a Bosch washer?
Repair costs depend on the specific cause. Cleaning hose screens or adjusting supply valves costs nothing. A replacement water inlet valve typically runs in the range of $30 to $100 for the part, with labor adding $80 to $150 if a technician is needed. Wire harness repairs can vary widely depending on the extent of the damage.
Will resetting the washer clear the Er:11 code?
A reset may temporarily clear the Er:11 code from the display, but the fault will return as soon as the washer attempts to fill again if the underlying problem has not been fixed. Resetting without addressing the cause, such as a failed inlet valve or blocked hose, will not resolve the issue. Always diagnose and correct the root cause before relying on a reset.

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