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Posted on Jan 15, 2010
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My dishwasher is not heating the water up just running cold

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Anonymous

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  • Master 534 Answers
  • Posted on Jan 15, 2010
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Joined: Apr 16, 2009
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Try turning on the faucet by the dishwasher and let the water run until it gets hot. Once this is done turn on the dishwasher and see if the water is warm or hot. Most dishwashers do not heat the water (residential dishwasher) they take the hot water from the hot water side of the sink. If the water heater is located a distance from the dishwasher then the cold water fills the dishwasher before the hot water can make it to the unit. This should cure your problem.

Hope this helped

Dave

4 Related Answers

Anonymous

  • 121 Answers
  • Posted on Apr 17, 2009

SOURCE: dishwasher running on cold water

that will be the callrod heater at the bottom look at it in the bottom to see if you see any cracks
not an easy job

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Anonymous

  • 256 Answers
  • Posted on Feb 25, 2010

SOURCE: Water not heating up in dishwasher

Make certain that the water supply is connected to the hot water valve. You may have an issue with the heat element or thermostat (if applicable). Contact an appliance service company.

Anonymous

  • 43501 Answers
  • Posted on Sep 29, 2010

SOURCE: Dishwasher not heating Zanussi

Hi,


I have an older dishwasher also and recently my wife also complained about it not cleaning right... so me being the man I am tried in vain to clean the things... Bought new spray arms online and installed them in minutes...now the thing works like new... However I have also found that if the heating element goes bad then that also can mess things up bad... So I would buy new spray arms, and also check out the heating element to make sure it is working... Here is a tip that will help you with the online buying...

Dishwasher Spray Arms not Spinning

How to Buy Appliance Parts Online

A bad heating element causes many problems in dishwashers...

Dishwasher Problems The Heating Element not Working

Dishwasher Maintenance

heatman101



lmnbv

Anonymous

  • 43501 Answers
  • Posted on Aug 05, 2011

SOURCE: My zanussi dishwasher, zdf 301

Hi,
Check your heating element..
A bad heating element causes many problems in dishwashers...

Dishwasher Problems The Heating Element not Working
How to Replace the Dishwasher Heating Element
Dishwasher Maintenance

heatman101

Asker's Testimonial " explanation very clear. will give it a go and seehow simple it was. thanks Ronnie " - ronnieshomes

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The usual discrepancies with run times is due to water heating time.
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If your dishwasher is connected to hot water instead of cold, it will skip the majority of the heat cycle and adjust the time accordingly.
On the other hand for other people, their dishwasher brands may say "50 minute wash" but this does not take into account heating time, so wash can be anything up to around 70-80 minutes.
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My Bosch Dishwasher is not drying my dishes now. The model number is SHE44C05UC.
Hi there,

Unfortunately, it seems that the heating element has failed. The dishwasher uses steam to heat the tub to dry the dishes. I suspect your dishes are also being washed in cold water.

To check this, please run a regular full wash cycle. Allow the washer to fill with water and run for about 10 minutes, then open the door and feel the water temperature in the bottom of the washer. If the water is cold, it's more than likely the heating element has failed.

There are other possible faults which would cause the element not to heat, but these often prevent the dishwasher from completing the cycle. If the water is cold but the dishwasher still drains the water at the end - and completes the cycle - the heating element has probably failed.

Please try this simple test for water temperature and let me know if you need further assistance.

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You are supposed to connect the dishwasher to the HOT water side. Although most dishwashers have a heating element to heat the water, they are normally installed this way to reduce the amount of time the heating element is on. This not only extends the life of the heating element, but also reduces the amount of electricity required to heat the water.

Another helpful hint: Before you run the dishwasher, run the hot water tap until the water runs hot. This will fill the dishwasher with water that is already hot instead of the cold water that normally sits in the line after the hot water has been shut off for a while. If you have questions, please let me know. I hope this helps you.
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Often it takes hot water several seconds for house plumbing to deliver hot water to an outlet. If the dishwasher is connected to the kitchen hot water supply, run the water in the sink until the water runs hot before you start the dishwasher.

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I've seen houses that take so long for hot water to reach a faucet, the dishwasher is already full (of cold water) before the first drop of hot water reaches it.

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that will be the callrod heater at the bottom look at it in the bottom to see if you see any cracks
not an easy job
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http://tclaundryrepair.com/
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the dishwasher will probably heat the water the rest of the way for you. depending on the specs and features.
hot water is not likely an issue with the dishwasher itself.
you could have cold water plumbed to the unit by mistake.
also, it could be that it is not fully pumping out, and the water going in is mixing with water in the sump.
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