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Whirlpool Dishwasher Error Code F04

Dishwashers have become very popular over recent years to become one of the most used luxury appliances in the home. It has been proven that using the dishwasher to clean your plates and cutlery uses less water than washing up by hand. 

Just like other appliances at home, the dishwasher can experience some faults from time to time - stopping it from performing its cleaning duties. One such fault can be an F04 error code that is flashing at you on the display panel.

This particular error code is usually associated with the draining of water in the appliance.

Continue to read through this article, and we'll talk you through the most likely causes of why your dishwasher is not draining as it should be.

You will soon be saying goodbye to the washing up gloves in no time, and have your trusty dishwasher back in action again.

Cause 1

Drain Pump

A common cause of dishwasher woes is a blocked or faulty drain pump, and if this has happened in your machine it will prevent the waste water from draining out - causing the wash cycle to stall.

If you didn’t already know, the drain pump is that crucial component that forces the water through the drain hose.

If there are no signs of a blockage within the filters or drain hose - then it is likely to be the pump.

Below we give you some tips on what you can look for when trying to identify what could be causing a drain pump to be blocked.

Safety First! Please ensure that you have disconnected the appliance from the mains before starting any repair.

  • Glassware can break during the wash if this has happened the shards may have fallen and washed into the pump
  • Using a multimeter test the resistance of the pump at its terminals and if you don’t get a reading on your meter; unfortunately you are going to need to replace the pump.

If we have confused you with what a multimeter, is and how to use it, click here for our handy multimeter guide.

We also have this handy guide to help you through the process of replacing a drain pump.

How To >


Cause 2

Filter

The filter is a key component in ensuring that your dishwasher can continue to run and wash your plates effectively, as it prevents large food particles from getting to the wash pump - which could lead to motor failure.

To help identify a faulty dishwasher filter, you can follow these simple steps to diagnose your filter problem - and you can hopefully get it repaired without having to call out a costly repairman (or in other instances, helping to avoid buying a new dishwasher). 

  • Locate the filter, usually located on the floor of the dishwasher.
  • See your user manual on how to safely remove the filter.
  • Check to see if the filter has any damage - such as holes.
  • While the filter is removed also check to see if any food has become trapped, and clean if required.

To help prevent the filter from becoming damaged, or generally having a far shorter life expectancy, it is recommended to perform regular maintenance by simply removing the filter and giving it a rinse.

It is also recommended to use a dishwasher cleaner through the system to clean the internal hoses that you are unable to reach.

See our very own simple and effective Dishwasher & Washing Machine Cleaner to keep your appliance running smoothly.

If the filter has unfortunately seen better days and you now need to replace it, you can see the eSpares website for a wide range of dishwasher filters.

How To >