How do you know if your dishwasher control board is bad?

Author: Schuyler O'Conner DVM  |  Last update: Tuesday, June 23, 2026

When to Replace Your Dishwasher Control Panel
  1. The control panel lights are blinking, or turned off.
  2. The control panel keys are stuck.
  3. Your dishwasher will not run.

What is the most common part to fail on a dishwasher?

The most common problem with a dishwasher is a lack of water flow or a clogged drain. This can be caused by blockages in the line, a faulty water inlet valve, or a broken pump motor.

How long do dishwasher control boards last?

How long do dishwasher control boards typically last? With proper care, a control board can last the lifetime of the dishwasher (about 10-15 years). However, factors like power surges or excessive moisture can shorten its lifespan.

How much does it cost to replace a control board on a dishwasher?

Control Panel - The control panel is the interface for operating the dishwasher. If it fails, you won't be able to select a cycle. The average cost to fix a control panel is around $250, with a range of $200 to $400.

How do I reset my dishwasher control board?

How to reset a dishwasher control panel
  1. First press the “Cancel/Resume” button, which won't be illuminated, then unplug the appliance from the outlet. ...
  2. Wait approximately 1 minute, plug the cord back into the AC outlet or flip the breaker back on.
  3. Start a new cycle and check if the dishwasher is working properly.

Dishwasher Control Board Testing

How do I know if my dishwasher control board is bad?

There are several signs that your dishwasher's control board may be faulty. The most obvious sign is that your dishwasher won't turn on or won't respond to your commands. You may also notice that your dishwasher is running for longer than usual or that it's not cleaning your dishes properly.

How do you do a hard reset on a dishwasher?

Some models require you to shut off the power to the dishwasher either by unplugging it or shutting off the circuit breaker. Others are reset by pressing and holding the Start/Reset button on the control panel, then waiting a few moments before attempting to start a wash cycle.

Why do appliance control boards fail?

Electrical Surges

Often caused by lightning strikes, power outages, or fluctuations in the power grid, these surges can cause irreparable damage to the electronic components, leading to either immediate or gradual failure of the control board.

Is it cheaper to repair or replace a dishwasher?

You're better off putting the money toward a new $500 appliance. But for a $1,000 dishwasher, a $140 repair is often worth pursuing for the better part of a decade. Most appliances are covered under warranty in their first year.

What is the most expensive part of a dishwasher?

The control board or electronic control unit is typically the most expensive part in a dishwasher. It manages all the dishwasher's functions, such as the wash cycles, water temperature, and the timing of the washing and drying processes.

What is the normal life expectancy of a dishwasher?

The life expectancy of a dishwasher is about 10 years, according to manufacturers surveyed by Consumer Reports. However, issues with the appliances tend to develop within the first five years.

Is it worth fixing a 12 year old dishwasher?

If it is over ten years old, it might be time for a new one. When you factor in the energy efficiency of a newer machine, you may be saving yourself some money in the long run. However, if your machine is under six years old, then a repair might be the most cost-effective option.

How do you know your dishwasher is dying?

Six Signs It May Be Time to Replace Your Dishwasher
  1. All the food particles don't come off the plates.
  2. The glasses are clean but look cloudy.
  3. The door doesn't latch.
  4. The dishes never dry.
  5. There's standing water in the dishwasher at the end of a cycle.
  6. The dishes are cold immediately after the cycle ends.

What dishwashers have the fewest problems?

Bosch, ASKO, GE, Maytag, Whirlpool, and KitchenAid stand out as reputable choices known for their commitment to quality and performance. With a focus on innovation and customer satisfaction, these brands consistently deliver reliable dishwashers equipped with advanced features and durable construction.

How do you diagnose a dishwasher problem?

How to Diagnose Dishwasher Problems
  1. Overloading By putting too many dishes in each load, you may cause the machine to leak. ...
  2. Faulty Door Seal Check the plastic seal around the door of your dishwasher. ...
  3. Excessive Detergent Check your detergent tray. ...
  4. Faulty pipe connections Check the pipes in the back of your machine.

What does a plumber charge to replace a dishwasher?

Dishwasher installation costs $600 to $1,700 on average, including a new unit. The cost to replace a dishwasher is $200 to $500 for labor only. The labor cost to install a dishwasher is $300 to $1,300 where there was none before. A new dishwasher unit alone costs $400 to $1,200.

Should I repair a 7 year old dishwasher?

If your dishwasher is within the five-year limit, it's definitely worth fixing. But if your dishwasher is closer to ten years, finding replacement parts might be too expensive, so you'd be better off replacing your machine.

Can a dishwasher last 20 years?

Average Life Span of a Dishwasher

While the average is a decade, a few standout brands create dishwashers known for exceptional durability, even reaching up to 20 years of use.

How do I know if my control board is bad?

Now that you know where the control board is and what it does, let's explain the top signs that your control board is malfunctioning.
  1. Illuminated Warning Lights. ...
  2. Immobilized Switches on the HVAC Control Board. ...
  3. Faulty Soldering Connections. ...
  4. Interrupted Sequencing. ...
  5. Temperature Regulation Issues.

How do I know if my washer control board is bad?

Washing machines should operate in a predictable manner. If your machine starts acting erratically, like stopping mid-cycle, skipping cycles, or not completing a cycle, the control board might be malfunctioning. Modern washing machines have digital displays that indicate cycle status, errors, and settings.

How do I test my dishwasher electronic control board?

You will need to test for the continuity between the control board and the plug. To do this, you'll need to check how the power comes down through the live pin (bottom left) and neutral pin (bottom right) on the plug. The power will then possibly pass through an on/off switch if your dishwasher model has one.

Will unplugging a dishwasher reset it?

There should be a reset or drain sequence that resets the dishwasher. If not just flip the breaker or unplug (if you can) the unit for thirty seconds and then run again.

Why is the bottom of my dishwasher filled with water?

The most common cause for a dishwasher not draining is a clog or obstruction in your dishwasher drain or nearby garbage disposal. Removing the blockage typically resolves the problem.

How do I reset my dishwasher motherboard?

A Step-by-Step Guide on How to Reset Your Dishwasher Control Panel
  1. Step 1: Identify Your Dishwasher Model. ...
  2. Step 2: Power Off the Dishwasher. ...
  3. Step 3: Wait for a Few Minutes. ...
  4. Step 4: Reconnect Power. ...
  5. Step 5: Press the Reset Button (If Available) ...
  6. Step 6: Use a Specific Button Combination (If Applicable)

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