Dishwasher ariston error code a3 - Dishwashers

This error message indicates that an anti-flooding overflow is taking place. This may be related to a failing rubber gasket around the dishwasher door, a defective water inlet valve, or a faulty float switch or sensor. The float and switch sensor is activated by pressure and if faulty will need to be replaced.Dec. 21, 2020

Ariston Dishwasher F15 Error and Troubleshooting ' Mix Repairs

http://salvationarmynaples.net/readpdf/ariston-dishwasher-manual-l64.pdf
http://manualslibrary.net/ARISTON-DISHWASHER-MANUAL-OPERATION.html
These are the sites for two manuals on your machine. They are free downloads that can be read by any computer. I'm sure there is a code list in there somewhere.

ERROR CODES ON ARISTON DISHWASHER See this video.
http://electronicshelponline.blogspot.com/

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Keyword Ranking Analysis for ARISTON OVEN FAULT CODE F12 ... fixya.com.Ariston Technologies Ariston AWD120WH - "F12 error code" issues

If flashing any of the 4 LEDs (see picture) means that the dishwasher discovered a malfunction. Depending which combination of LED flashes (one LED, two LEDs, three LEDs or all four LEDs) indicates the specific error code.

Dado

Unplug for 30 minutes and plugin. Resets power to the board.

A3 error code in Hotpoint dishwasher could mean either the heat fuse has tripped or there is a blocakge in the drain and the drain pump has timed out.

Clean the drain and filter and then check. If this does not help then you will have to check the thermistor/ heater fuse.

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