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Error code reference

Bosch Washer Error Code d:10

Power limiter switch off

Bosch codesBosch washer codes

Power limiter switch off — motor overloaded or binding.

First step from the service manual

Run test P4; check for motor overload or binding condition.

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

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What d:10 means on a Bosch washer

The d:10 error code on a Bosch washer indicates that the power limiter switch has cut power to the drive motor due to a detected overload or binding condition. The power limiter is a protective circuit designed to interrupt motor operation when current draw exceeds safe operating thresholds. When the motor encounters excessive mechanical resistance or draws too much current, this switch trips to prevent damage to the motor windings, motor control board, or associated wiring harness.

The most direct cause of this fault is a motor that is being forced to work harder than it should, either because of a mechanical obstruction in the drum or wash system, or because of internal motor wear causing increased resistance. A drum that cannot rotate freely due to a foreign object, worn drum bearings, or a seized pump can all place excessive load on the motor. The control system detects this abnormal current draw and triggers the d:10 shutdown to protect the drive components.

Diagnosing this fault begins with running test P4, which is the designated motor diagnostic routine for this platform. Technicians should also manually rotate the drum to check for binding, inspect the drain pump for obstructions, and examine the motor brushes and windings if the mechanical path checks out clear. Addressing the root cause of the overload condition is essential before resetting the fault, as simply clearing the code without resolving the underlying issue will result in immediate or repeated recurrence.

Source: manufacturer service documentation.

Common causes of d:10

  1. 01

    Foreign object jamming the drum or pump

    Wiring / connection

    Coins, bra underwires, or other small items can lodge between the drum and tub or inside the drain pump impeller, creating mechanical resistance that overloads the motor. Check the pump filter and manually rotate the drum to feel for any obstruction.

  2. 02

    Worn or seized drum bearings

    Part replacement

    Degraded drum bearings increase rotational friction dramatically, forcing the motor to draw excess current. A rumbling noise during operation or stiff drum rotation by hand are indicators of bearing failure.

  3. 03

    Faulty or worn motor brushes

    Part replacement

    On brush-type drive motors, worn carbon brushes cause inconsistent contact and can result in high current spikes that trip the power limiter. Inspect brush length and contact surface condition.

  4. 04

    Drain pump blockage or seizure

    Wiring / connection

    A blocked or seized drain pump places added load on the motor circuit and can contribute to an overload condition. Remove and inspect the pump filter and impeller for debris or damage.

  5. 05

    Motor control board fault

    Part replacement

    If no mechanical binding or obstruction is found, the motor control board may be sending incorrect voltage or failing to regulate motor current properly, causing a false overload trip. This is typically diagnosed after all mechanical causes are ruled out.

See the test procedure for each cause

Frequently asked questions about d:10

What does d:10 mean on a Bosch washer?
The d:10 code means the washer's power limiter switch has shut off the drive motor because it detected an overload or binding condition. This is a protective shutdown designed to prevent damage to the motor and related components. The fault points to either a mechanical obstruction in the drum or pump, or an internal motor problem causing excessive current draw. Test P4 is the recommended starting point for diagnosis.
How do I fix a d:10 error on my Bosch washer?
Start by manually rotating the drum to check for binding and inspect the pump filter for foreign objects. Run the machine's diagnostic test P4 to evaluate motor function. If mechanical obstructions are cleared and the code returns, inspect the motor brushes and bearings, as worn components in these areas are common causes of motor overload. If the motor and mechanical system check out, the motor control board may need evaluation.
Is it safe to keep using my Bosch washer with a d:10 error?
No, you should not continue running the washer while this fault is active. The d:10 code indicates the motor is under abnormal stress, and forcing operation could damage the motor windings, control board, or drive components. The power limiter trips specifically to prevent this type of escalating damage, so the underlying cause should be resolved before resuming use.
Will resetting my Bosch washer clear the d:10 error code?
A reset may temporarily clear the d:10 code, but the fault will return if the root cause has not been fixed. If the motor overload condition or binding issue is still present, the power limiter will trip again once the machine attempts to run a cycle. A proper repair requires identifying and correcting the mechanical or electrical cause of the overload.
How much does it cost to repair a Bosch washer with a d:10 error?
Repair costs vary depending on the root cause. Clearing a foreign object obstruction yourself costs nothing beyond time, while a pump filter service visit may range from around $75 to $150. Drum bearing replacement is a more labor-intensive repair typically ranging from $200 to $400. Motor brush replacement or motor control board replacement can range from $150 to $350 depending on parts and labor rates in your area.

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