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Error code reference

Viking Dishwasher Error Code POTS PANS + LED6

Motor Control Communication Error

Viking codesViking dishwasher codes

Motor Control Communication Error - communication failure between motor controller and main control board.

First step from the service manual

Check the harness connection between the motor controller and the main control board.

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

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What POTS PANS + LED6 means on a Viking dishwasher

The POTS PANS + LED6 error code on a Viking dishwasher signals a Motor Control Communication Error, meaning the main control board and the motor controller have lost their ability to exchange data signals properly. These two components work in tandem to regulate wash motor speed, direction, and timing throughout each cycle. When communication between them is interrupted or corrupted, the dishwasher cannot safely operate the wash motor and halts the cycle to prevent potential damage.

The communication link between the motor controller and the main control board typically runs through a wiring harness with multiple conductors. Any break, corrosion, loose pin, or pinched wire in this harness can disrupt the signal pathway and trigger this fault. The error can also originate from a failed motor controller module or a defective main control board that is no longer sending or receiving the expected communication signals correctly.

Because the harness connection is the most accessible and most common failure point, it is always the first component to inspect. Technicians should check each connector for secure seating, bent or corroded pins, and any signs of heat damage or moisture intrusion. If the harness checks out electrically and physically, the motor controller and then the main control board should be evaluated individually to determine which module has failed.

Source: manufacturer service documentation.

Common causes of POTS PANS + LED6

  1. 01

    Loose or disconnected wiring harness

    Wiring / connection

    The harness connecting the motor controller to the main control board may have worked loose or become partially disconnected. Visually inspecting and firmly reseating both ends of the harness is the first and most important diagnostic step.

  2. 02

    Corroded or damaged harness connectors

    Part replacement

    Moisture or heat exposure can corrode connector pins or degrade the connector housing, causing intermittent or complete signal loss. Inspect each pin for discoloration, oxidation, or physical damage.

  3. 03

    Pinched or broken wire in the harness

    Part replacement

    The harness routing can cause wires to be pinched against cabinet edges or internal components over time, leading to a broken conductor. A continuity test on each wire in the harness can confirm this fault.

  4. 04

    Failed motor controller module

    Part replacement

    If the harness is intact and connections are solid, the motor controller itself may have failed internally and can no longer send or receive communication signals. Replacing the motor controller module is required in this case.

  5. 05

    Defective main control board

    Part replacement

    A faulty main control board may be unable to initiate or process communication with the motor controller, producing this error even when all wiring is sound. The main control board should be evaluated after the motor controller has been ruled out.

See the test procedure for each cause

Frequently asked questions about POTS PANS + LED6

What does POTS PANS + LED6 mean on a Viking dishwasher?
This error code indicates a Motor Control Communication Error, meaning the motor controller and the main control board have lost their communication link. The dishwasher stops operation when this happens to prevent damage to the motor or control electronics. Diagnosis starts with checking the wiring harness that connects these two components.
Can I fix the POTS PANS + LED6 error myself?
A homeowner comfortable with basic appliance repair can check and reseat the wiring harness connections between the motor controller and the main control board, which resolves the error in some cases. However, if the harness is intact and the error persists, diagnosing and replacing the motor controller or main control board requires technical knowledge and familiarity with dishwasher electronics. At that stage, calling a qualified appliance technician is recommended.
Will resetting the dishwasher clear the POTS PANS + LED6 error?
A power reset may temporarily clear the error code, but if the underlying communication fault between the motor controller and the main control board still exists, the error will return once the dishwasher attempts to run a cycle again. A reset is useful for confirming whether the fault is intermittent, but it does not fix the root cause. Proper diagnosis of the harness and control components is necessary for a lasting repair.
Is it safe to use my Viking dishwasher while the POTS PANS + LED6 code is active?
You should not continue operating the dishwasher while this error is present. The motor controller and main control board cannot communicate reliably, which means the wash motor may not be managed correctly during a cycle. Running the unit in this condition risks further damage to the motor or control electronics.
How much does it cost to repair the POTS PANS + LED6 error on a Viking dishwasher?
Repair costs depend on which component has failed. If the issue is simply a loose or damaged harness, repair costs may only involve a service call fee, typically in the range of $75 to $150. Replacing a motor controller or main control board involves both parts and labor, with total costs commonly ranging from $200 to $600 or more depending on parts availability and local labor rates.

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