Zanussi Dishwasher Not Heating Up (Try these Methods)

Some users are reporting that their Zanussi dishwasher is not heating up and leaving dishes undry.

If you are also in the same boat, try the troubleshooting methods in this guide.

I am confident that if you follow each of these solutions, one of them will work for you.

Also Check: How to fix Zanussi dishwasher beeping

Zanussi dishwasher not heating up

If your Zanussi dishwasher is not heating and drying dishes, then first turn off and unplug your dishwasher and then inspect its heating element. Check its resistance with a multimeter; it should be high. If it is low, then most probably, it has gone bad. If that is the case, you will need to replace it.

If that does not work, try resetting your Zanussi dishwasher.

If your dishwasher is under warranty, the easiest solution would be to contact Zanussi support for a replacement. Unfortunately, in most cases, opening your dishwasher will void its warranty.

However, if your dishwasher warranty period has already passed, and you are comfortable with troubleshooting it yourself, then try the below methods:

Regulate Water Temperature

The heating temperature of the dishwasher also depends on the water going into the dishwasher. However, some new models of dishwashers come with built-in heaters.

If your dishwasher requires hot water on inlet, ensure the average water temperature going to your dishwasher is around 120’F or 48 degrees Celsius.

If you have accidentally attached the hose of the dishwasher to cold water, it might not be able to heat the water to its operating temperature. To fix it, drain the cold water from your dishwasher and then attach its hose to hot water outlet.

In most cases, your Zanussi dishwasher will not start when its connected to cold water.

Check Dishwasher Thermostat

The faulty thermostat on your Zanussi dishwasher will turn off the dishwasher at the wrong temperature. First, unplug your dishwasher from the power outlet to check the thermostat.

I’d recommend that you call a certified technician for help.

However, if you are an experienced technician and have prior experience of repairing electrical appliances, only then proceed with inspecting the dishwasher thermostat.


If your Zanussi dishwasher is not heating up, don’t panic, and try the following troubleshooting methods to fix it:

  • Check heating element
  • Regulate inlet water temperature
  • Check your dishwasher thermostat

If you still have issues with your Zanussi dishwasher, contact Zanussi support at 03445 612 612 or live chat with them.

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