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Error code reference

Bosch Washer Error Code dr:07

Motor control (inverter) failed or motor shorted

Bosch codesBosch washer codes

Motor control (inverter) failed or motor shorted — faulty motor control or motor.

First step from the service manual

Run test P4; check motor control and motor.

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

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What dr:07 means on a Bosch washer

The dr:07 error code on a Bosch washer indicates a failure within the motor control system, also called the inverter module, or a direct fault in the drive motor itself. The inverter module is responsible for converting household AC power into variable-frequency DC power to control motor speed and torque throughout the wash cycle. When the control detects that the inverter has failed internally or that the motor windings have developed a short circuit, it shuts down operation and stores the dr:07 fault to protect downstream components from further damage.

A shorted motor is one of the more serious conditions this code can flag. Motor winding shorts occur when insulation breaks down between coil windings, causing resistance to drop well below specification and drawing excessive current through the inverter. This elevated current draw can damage the inverter module even if the motor itself was the original failure point, meaning both components sometimes require replacement together.

Diagnosis begins with running test program P4, which is a specific service routine designed to exercise the motor control circuit and report drive-related faults in isolation. From there, the technician inspects the inverter module for burn marks, failed components, or error indicators, and checks motor winding resistance to determine whether the motor has developed a short. The results of P4 will help distinguish between an inverter fault and a motor fault, guiding which component needs to be addressed.

Source: manufacturer service documentation.

Common causes of dr:07

  1. 01

    Failed inverter (motor control) module

    Part replacement

    The inverter module can fail internally due to power surges, overheating, or component fatigue. Signs include burn marks on the board or the module failing to respond during service test P4.

  2. 02

    Shorted motor windings

    Part replacement

    Breakdown of insulation between motor windings creates a short circuit, causing abnormally low resistance readings and excessive current draw. This can trigger the dr:07 fault and may also damage the inverter module.

  3. 03

    Damaged wiring between inverter and motor

    Wiring / connection

    Chafed, pinched, or corroded wiring in the harness connecting the inverter module to the drive motor can mimic a motor or inverter fault. Inspect the full harness for physical damage or loose connector pins.

  4. 04

    Overheated inverter due to blocked ventilation

    Part replacement

    If the washer has been operated in a confined space with restricted airflow, the inverter module can overheat and fail prematurely. Check the installation area for adequate clearance around the machine.

See the test procedure for each cause

Frequently asked questions about dr:07

What does dr:07 mean on a Bosch washer?
The dr:07 code indicates that the motor control module, also called the inverter, has failed or that the drive motor itself has developed a short circuit. Bosch washers use an inverter to regulate motor speed and torque, and when a fault is detected in this circuit the machine stops and stores this code. Diagnosis requires running service test P4 and inspecting both the inverter and the motor.
Can I fix the dr:07 error myself?
Some wiring and connector issues that trigger dr:07 can be found and corrected by a knowledgeable DIYer, but replacing the inverter module or the drive motor requires disassembling the washer and working near high-voltage components. Running the service test P4 also requires familiarity with Bosch diagnostic procedures. Most homeowners will want a qualified technician to handle this repair.
Is it safe to use my Bosch washer with the dr:07 error showing?
No, you should not continue running the washer while dr:07 is active. A shorted motor or failed inverter can draw excessive current, creating a risk of further component damage or an electrical hazard. Leave the washer unpowered until the fault has been properly diagnosed and repaired.
Will resetting the washer clear the dr:07 error?
A power reset may temporarily clear the displayed code, but the underlying fault in the inverter or motor will remain. The code is very likely to return as soon as the machine attempts to run a cycle. A proper repair of the failed component is required for the fault to clear permanently.
How much does it cost to repair a Bosch washer with the dr:07 error?
Repair costs vary depending on whether the inverter module, the drive motor, or both require replacement. Inverter module replacement typically falls in the range of $200 to $450 including parts and labor, while drive motor replacement can range from $250 to $500 or more. If both components have failed, total costs can be higher, which may factor into the decision to repair versus replace the appliance.

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