Common Dishwasher Problems and Solutions

A dishwasher can be more efficient, safer, and faster than hand washing dishes. This often-overlooked appliance, however, must be maintained diligently so it works as it should and prevents mold, yeast, and bacteria from building up.


It also helps to know the most common dishwasher problems and solutions, so you’re better prepared in case your dishwasher unexpectedly breaks down.

Problem # 1: Your dishwasher isn’t draining.

If your dishwasher isn’t draining, it can be due to a number of reasons: a dirty filter or trap, clogged air gap, or garbage disposal blockage. Clogs in the drain hose, or damages to the drain hose, may also keep your dishwasher from draining properly.




To fix the problem, you have to wash and replace the filter, clean the air gap, or check your garbage disposal for food particles. If the problem is with the drain hose, replacing it should fix the problem.

Problem # 2: Your dishwasher is leaking.

Your dishwasher may leak due to a leaky dishwasher door, corroded tub, or wrong dishwasher detergent. Loose or damaged valves and improper alignment can also cause leaks.




Fixing a leaking dishwasher is relatively easy:
– Tighten the door latch or install a new latch system.
– Fix the damaged tub (for other dishwasher models, you may have to replace the unit entirely)
– Check the owner’s manual for the right dishwasher detergent
– Ensure drain hoses are securely connected, or replace damaged ones if needed
– Properly level your dishwasher

Problem # 3: Your dishwasher won’t heat up.

Issues with the water supply, thermostat, or heating element may be the reason your dishwasher isn’t getting hot.




To fix the issue, you’ll have to troubleshoot the water heater, or replace the thermostat and heating element.


If the circuit board, or the brain of the dishwasher, is malfunctioning, it can keep your dishwasher from working properly. Unless you know what you’re doing, it’s best to have a professional assess and diagnose a circuit board issue.

Problem # 4: Your dishwasher won’t start.

Issues with the power supply, door latch switch, and control panel can cause the dishwasher to malfunction. Problems with the dishwasher’s internal components must be considered, too.



Try these troubleshooting steps if your dishwasher won’t start:

– Make sure the dishwasher is securely connected to a power supply. You may have to reset a breaker and restore power.
– Check if the door latch is jammed or broken. Replacing the switch and the latch should fix the problem.
– Replace broken components. (We suggest hiring a professional to do this, unless you’re confident in your ability to perform the task properly and safely.)


Get your dishwasher up and running again

Is your dishwasher acting up? Contact a Good Guy today and we’ll get your dishwasher up and running in no time.


We’re also available to take care of all your plumbing installation, repair, and maintenance needs. Scheduling an appointment online is simple and easy, and even more convenient if you download our app.

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