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Error code reference

Bosch Washer Error Code dr:15

Power limiter warning

Bosch codesBosch washer codes

Power limiter warning — 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 dr:15 means on a Bosch washer

The dr:15 error code on a Bosch washer indicates a power limiter warning tied to the drive motor system. Specifically, the control board has detected that the motor is drawing excessive current, which triggers a protective limiter to prevent damage to the motor and associated electronics. This condition arises when the motor encounters resistance beyond its normal operating parameters, either from a mechanical binding issue within the drum assembly or from an electrical fault causing the motor to work harder than it should.

The motor overload condition can stem from several sources. A physical obstruction in the drum, such as a foreign object lodged between the drum and the tub, can create binding that forces the motor to draw excess current. Similarly, worn or seized drum bearings increase rotational resistance significantly, placing a sustained overload on the motor. Drive belt problems, where applicable, or a failing motor itself can produce the same symptom.

Diagnosing dr:15 begins with running test P4 on the Bosch diagnostic sequence, which evaluates the motor under controlled conditions to isolate whether the overload is mechanical or electrical in origin. During inspection, technicians should manually rotate the drum to check for resistance, grinding, or irregular movement. The motor wiring harness and connections should also be checked for damage or corrosion, as a poor connection can cause erratic current draw that mimics a true overload condition.

Source: manufacturer service documentation.

Common causes of dr:15

  1. 01

    Foreign object causing drum binding

    Wiring / connection

    Items such as coins, bra underwires, or small garments can become lodged between the drum and the outer tub, creating resistance that overloads the motor. Manually rotating the drum by hand will often reveal the obstruction as a grinding or catching sensation.

  2. 02

    Worn or seized drum bearings

    Part replacement

    Degraded drum bearings increase the mechanical resistance the motor must overcome during every cycle, eventually triggering the power limiter warning. A rumbling noise during spin or rough manual drum rotation are key indicators.

  3. 03

    Failing or worn drive motor

    Part replacement

    A motor with deteriorating windings or worn brushes can draw excessive current even under normal load conditions. Test P4 can help confirm whether the motor itself is the source of the overload.

  4. 04

    Damaged or pinched motor wiring harness

    Wiring / connection

    A wiring harness with damaged insulation, corroded terminals, or a loose connector can cause inconsistent current delivery, producing readings that the control board interprets as an overload condition. Visual inspection of the harness and connections is recommended.

  5. 05

    Overloaded drum from excess laundry

    Wiring / connection

    Packing the drum beyond its rated capacity puts sustained mechanical strain on the motor, which can trigger the power limiter. Removing some items and restarting the cycle will confirm if load size was the contributing factor.

See the test procedure for each cause

Frequently asked questions about dr:15

What does dr:15 mean on a Bosch washer?
The dr:15 code is a power limiter warning indicating that the washer's drive motor is overloaded or experiencing a binding condition. The control board detected excessive current draw from the motor and halted operation to prevent damage. Common triggers include drum obstructions, worn bearings, or a failing motor. Running the diagnostic test P4 is the recommended first step to pinpoint the cause.
Can I fix the dr:15 error myself?
Some causes of dr:15 are DIY-friendly, such as removing a foreign object lodged between the drum and tub or reducing an overloaded laundry load. However, if the issue involves worn drum bearings or a failing motor, those repairs require disassembly of the washer and are better suited for a qualified technician. Running the P4 diagnostic test first will help narrow down whether the fault is mechanical or electrical.
Is it safe to keep using my washer when dr:15 appears?
No, you should not continue running the washer while this code is active. The dr:15 warning means the motor is being pushed beyond its safe operating limits, and continued use could cause further damage to the motor, control board, or other connected components. Address the underlying cause before resuming normal operation.
Will resetting the washer clear the dr:15 error?
A simple reset may clear the code temporarily, but it will return if the underlying mechanical or electrical problem has not been resolved. Resetting without diagnosis is not recommended because it does not address the root cause, and repeated motor overloads can lead to more costly damage over time. Use the P4 diagnostic sequence to identify the fault before attempting any reset.
How much does it cost to repair a dr:15 error on a Bosch washer?
Repair costs depend entirely on the root cause identified during diagnosis. Clearing a foreign object obstruction may cost nothing beyond a service call fee, typically in the range of $75 to $150. Drum bearing replacement tends to run between $150 and $350 in parts and labor, while motor replacement can range from $250 to $500 or more depending on the specific model and local labor rates.

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