How To Clean A Dishwasher


Spring Cleaning Tips

Looking after your dishwasher will extend the useful life of the appliance and the efficiency with which it works. Routine deep cleaning of your dishwasher should be performed in conjunction with daily cleaning which should be undertaken as as when required.

Door & Edges

The doors and edges are not cleaned during the dishwasher cycle and therefore if left untreated can harbour bacteria. At the end of each cycle, using a damp cloth clean around the door and edges paying particular attention to under the bottom of the door where water droplets may have formed.


The drain is located at the bottom of the dishwasher underneath the arm. This may become blocked and the water will not drain efficiently. Remove any debris that has accumulated on the outside and wipe with a damp cloth.

If you suspect that the inside of the drain is blocked, unplug the dishwasher and remove the screws that secure the cover. Make note of which screw goes where and be careful not to lose any. When the cover has been removed, solid debris can be loosed with a toothbrush before wiping with a cloth. It may be an idea to cover the hole before cleaning to prevent any debris falling inside.

Cleaning Of Spinning Arms

Run the cycle before checking spinning arms for debris. That may be clogging the water holes. A wooden toohpick is ideal, avoid sharp metal as it may damage the arms. It the hole are too small for a toothpick to remove the devbris then run a thin metal wire through starting at the hole furthest from the arm centre. Make a hook on the end so you dont lose it. Alternatively drill a larger hole at the end of the arm and flush water through it. This hole can be plugged with a stainless steel screw prior to running the cycle.

Clean Rinse Aid Compartment

Once a month unscrew the round knob in the dishwasher door and pour in rinse aid. NB Do not use rinse aid if you are using a water softener. The rinse aid which is released during the final hot rinse reduces the water droplets on crockery and eliminates smearing.

Hard Water Deposits

Hardwater can block the dishwasher water jets. Lead to a build up of deposits on the heating, element which in turn will increase the amount of electricity used, whilst reducing the cleaning efficiency and life of the appliance.

Cloudy glasses may indicate that hard water deposits are present . To test, immerse a glass in vinegar, if after five minutes the cloudiness has been removed then, the appearance was due to the hardwater deposits. If the cloudiness remains then its probably due to etchings which can be addressed by a change to a liquid detergent.

To remove hardwater deposits empty the dishwasher then place a cup of distilled white vinegar or lemon juice on the upper shelf and run a short cycle.

Granular Salt For Removal Of Hardwater Deposit

If your dishwasher has a float indicator then check for level of granular salt. If it is absent or difficult to read then just add the salt until full.

Mildew or Mold

To prevent the build up of mildew or mold in your dishwasher it is advisable to leave the door slightly open after each cycle to allow it to dry.

We recommend that you use a detergent specifically designed for this purpose as bleach is unsuitable for use it the interior or door of your dishwasher is stainless steel


Rust in the dishwasher may be a result of high rust content in the water. If so water softeners may remove some of the rust. If not sufficient to alleviate the problem try using filters.

Wire baskets can be repaired with a paint on sealant specially formulated for dishwashers

Daily- Loading Your Dishwasher

Detergents For Dishwasher

Generally there are three types of detergents. Whichever type you use is mainly a matter of personal preference provided it cleans the crockery, cutlery and ironware effectively.

Powder Usually more economical but if you find that some of the delicate items are showing signs of etching then it may be advantageous to switch to a liquid detergent.,

liquid Less abrasive than powder but can be messy to use.

Gel More expensive but less messy than the liquid and less abrasive than the powder.

Three in one tablets have proved popular amongst dishwasher users. Theses tablets contain a detergent to clean and breakdown grease, a rinse aid which is released at a slower rate than the detergent. This will reduce or eliminate smearing and salt. The salt helps the cleaning process but is of the wrong consistency to soften the water.

If you are using the three in one tablets and you find a build up of hardwater deposits if may be an idea to switch to seperate detergent and water softener. NB It may take a few cycles to regenerate the softener.

Daily- Loading Your Dishwasher

Scrape off surface debris from crockery and pans before loading into the dishwasher.

Place larger items on the lower shelf.

Do not overcrowd dishwasher, crockery should not be touching.

Place cutlery handles down in the basket provided.

Use a hanging tag to freshen your dishwasher particularly if you load daily and run at night.

Before You Commence Your Dishwasher Cycle

If you have a waste disposal system then run this before you commence the dishwasher cycle because they use the same pipe which must be clear.

Hot water cleans much more efficiently so run the hot tap and allow the water to heat.

Set the thermostat to 120 degrees Farenheit (50 degrees Celcius)

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