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Error code reference

Cove Dishwasher Error Code 050136

Wash pump drive system

Cove codesCove dishwasher codes

Wash pump drive system: I2T overcurrent error (non-fatal). MCM detected peak wash pump current over 800 mA.

First step from the service manual

Check the wash pump motor harness.

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

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What 050136 means on a Cove dishwasher

Error code 050136 on a Cove dishwasher indicates an I2T (current squared times time) overcurrent condition in the wash pump drive system. The Motor Control Module (MCM) detected that peak current through the wash pump motor exceeded the 800 mA threshold. I2T is a protection algorithm that measures both the magnitude and duration of excess current draw, allowing the system to distinguish between brief, acceptable current spikes during motor startup and sustained overcurrent conditions that indicate a real fault. Because this error is flagged as non-fatal, the dishwasher may continue operating or attempt to recover rather than locking out completely.

The wash pump is responsible for circulating water through the spray arms during the wash and rinse cycles. When the pump motor draws more than 800 mA, it typically points to a mechanical load problem, an electrical fault in the motor windings, or a wiring issue between the MCM and the pump. Blockages in the pump impeller, worn motor bearings, or a partially seized pump can all increase the mechanical load and drive current above the threshold.

The first step in diagnosing this code is inspecting the wash pump motor harness. A damaged, pinched, or corroded connector can cause resistance in the circuit that skews current readings or creates intermittent faults. After verifying the harness integrity, the pump itself should be inspected for physical obstructions and tested for proper electrical resistance in the motor windings to rule out an internal motor failure.

Source: manufacturer service documentation.

Common causes of 050136

  1. 01

    Blocked or obstructed wash pump impeller

    Wiring / connection

    Food debris, broken glass, or other foreign objects lodged in the pump impeller force the motor to work harder, driving current above the 800 mA limit. Remove the pump cover and inspect the impeller for any obstruction.

  2. 02

    Damaged or faulty wash pump motor harness

    Wiring / connection

    A pinched, frayed, or corroded wiring harness between the MCM and the wash pump can cause abnormal current readings or intermittent overcurrent faults. Inspect the harness along its entire length and check connector pins for corrosion or looseness.

  3. 03

    Failing wash pump motor

    Part replacement

    Worn bearings or degraded motor windings inside the wash pump can increase current draw as the motor struggles to maintain speed. A motor with internal faults may show abnormal winding resistance when tested with a multimeter.

  4. 04

    Worn or seized pump bearing

    Part replacement

    Mechanical wear in the pump bearing increases rotational resistance, placing a higher load on the motor and causing sustained overcurrent. The pump may produce unusual noise during operation as a secondary symptom.

  5. 05

    MCM output circuit fault

    Part replacement

    If the Motor Control Module itself has a damaged output driver for the wash pump circuit, it may inaccurately report or create an overcurrent condition. This should be considered only after the harness and pump have been ruled out as causes.

See the test procedure for each cause

Frequently asked questions about 050136

What does 050136 mean on a Cove dishwasher?
Error code 050136 indicates that the Motor Control Module detected a peak wash pump current exceeding 800 mA, triggering an I2T overcurrent fault in the wash pump drive system. This is classified as a non-fatal error, meaning the appliance may continue to function while the condition is present. The fault points to a problem with the wash pump, its wiring harness, or the motor itself. Diagnosis should start with a physical inspection of the pump motor harness.
Can I fix error code 050136 myself?
Some causes of this error are DIY-friendly, such as clearing a blocked pump impeller or reseating a loose harness connector. However, replacing the wash pump motor or Motor Control Module requires disassembly of the dishwasher and comfort working with electrical components. If you are not confident working around appliance wiring, it is safer to contact a qualified technician.
Is error code 050136 dangerous to ignore?
Because this error is non-fatal, the dishwasher may keep running, but ignoring it is not recommended. A pump motor drawing excess current can overheat over time, potentially damaging the motor, the Motor Control Module, or associated wiring. Addressing the root cause promptly helps prevent a minor fault from becoming a more expensive repair.
Will resetting the dishwasher clear error code 050136?
A reset may temporarily clear the error, but the code will return if the underlying cause has not been corrected. Because the MCM monitors pump current continuously during operation, any condition that keeps current above 800 mA will retrigger the fault. A reset is useful for confirming whether the fault is intermittent, but it is not a substitute for diagnosis and repair.
How much does it cost to repair error code 050136 on a Cove dishwasher?
Repair costs depend on the root cause. Clearing a blocked impeller involves no parts cost and minimal labor. Replacing the wash pump motor typically runs in the range of $150 to $400 including parts and labor, depending on service rates in your area. If the Motor Control Module requires replacement, costs can be higher due to the part price. Getting a diagnostic inspection first will help identify the least expensive path to resolution.

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