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Error code reference

Bosch Washer Error Code dr:16

Motor high temperature switch off

Bosch codesBosch washer codes

Motor high temperature 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 dr:16 means on a Bosch washer

The dr:16 error code on a Bosch washer indicates a motor high temperature shut-off event. This is a protective response built into the drive motor circuit: when the motor's internal thermal protection detects that operating temperatures have exceeded safe limits, the control system commands a shut-off to prevent damage to the motor windings or associated electronics. The code specifically points to the motor being overloaded or mechanically binding, which forces the motor to draw excessive current and generate heat beyond its rated operating range.

The drive motor is responsible for rotating the wash drum during all cycle phases. When something prevents the drum from turning freely, the motor works harder to overcome that resistance, causing current draw to spike and heat to build rapidly. Common mechanical sources of resistance include a foreign object caught between the drum and the tub, worn or seized drum bearings, or a drive belt that is too tight or has failed in a way that creates drag. Each of these conditions places abnormal load on the motor.

Diagnostic procedure P4 is the recommended starting point for this fault. This test allows the technician to evaluate motor performance and identify whether the shut-off is caused by a sustained mechanical binding condition or by an overload scenario related to the drum, bearings, or associated drive components. The motor itself may or may not be damaged depending on how long the overload condition persisted before the thermal protection activated.

Source: manufacturer service documentation.

Common causes of dr:16

  1. 01

    Foreign object causing drum binding

    Wiring / connection

    Items such as coins, underwire, or small clothing articles can become lodged between the drum and the tub, creating mechanical resistance that overloads the motor. Manually rotating the drum by hand with the machine unplugged will often reveal this type of obstruction.

  2. 02

    Worn or seized drum bearings

    Part replacement

    Drum bearings support the rotation of the inner drum and when they wear out or seize, the motor must work against significantly increased friction. A grinding or rumbling noise during operation, or difficulty turning the drum by hand, are strong indicators of bearing failure.

  3. 03

    Overloaded drum from excessive laundry

    Wiring / connection

    Loading the washer beyond its rated capacity forces the motor to work harder than designed, potentially triggering the thermal shut-off during long or heavy cycles. Reducing load size and restarting the cycle may resolve the fault if this is the sole cause.

  4. 04

    Drive belt damage or misalignment

    Part replacement

    A belt that has frayed, stretched, or slipped from its correct position can create drag or uneven resistance on the motor pulley. Inspecting the belt for wear, correct tension, and proper seating on both pulleys is part of a thorough mechanical check.

  5. 05

    Motor winding damage from prior overload

    Part replacement

    If the motor was subjected to repeated or prolonged overload events before the thermal switch activated, the windings themselves may have been degraded. In this case the motor may run hot even under normal load conditions and will require testing and likely replacement.

See the test procedure for each cause

Frequently asked questions about dr:16

What does dr:16 mean on a Bosch washer?
The dr:16 code means the drive motor reached a temperature high enough to trigger its built-in thermal protection and shut itself off. This is caused by the motor being overloaded or mechanically binding, which forces it to draw excess current and overheat. The machine stops automatically to prevent motor damage. The root cause, whether a stuck object, worn bearings, or an overloaded drum, must be identified and resolved before the washer will operate normally.
How do I fix the dr:16 error on my Bosch washer?
Start by unplugging the washer and manually turning the drum by hand to check for any binding or unusual resistance. Remove any foreign objects found between the drum and tub. Run diagnostic test P4 to evaluate motor performance and identify the source of the overload. If the drum turns freely and no obstruction is present, the issue may be worn bearings or a motor problem that requires professional service.
Will resetting the washer clear the dr:16 error code?
Resetting the washer may temporarily clear the error display, but it will not fix the underlying cause of the motor overheating. If the binding or overload condition is still present, the thermal protection will activate again and the code will return, potentially causing further damage to the motor over time. The mechanical cause must be corrected first.
Is it safe to keep using my Bosch washer when dr:16 appears?
No, you should not continue running the washer once dr:16 has appeared. The code indicates the motor overheated and shut down as a protective measure. Running the machine again without addressing the cause risks damaging the motor windings, control board, or other drive components. Allow the motor to cool and diagnose the binding or overload condition before attempting another cycle.
How much does it cost to repair a dr:16 error on a Bosch washer?
Repair costs vary widely depending on the cause. If the fault is simply an overloaded drum or a small foreign object, there may be no parts cost at all. Drum bearing replacement typically runs in the range of $150 to $350 including labor. Motor replacement is more involved and can range from $250 to $500 or more depending on the specific model and local labor rates. Getting a diagnostic assessment first will help determine the actual scope of the repair.

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