Question about Ariston Technologies LI640S Dishwasher

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My dishwasher don't rinse and don't dry

My washing machine (LL 64-S) begin run fine and only wash and then decide to stop - And the let number six (Cristal Care Led) turn on intermitent and don't RISING and DRYING. Thanks in advance. Nelson

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Here is the link for the user manual if you need it; Check page 13 (pagina 35 en espanol) - there is a 5 year warranty on the electronic components. As Catriver describes, the temperature probe can be moved out of position - you should be able to access it and move it gently back into position. If not, use the guarantee if you can, if not you need to contact ariston for a replacement; This link if the USA is convenient; If not, please post back with your location in venezuela and we will try to find the nearest service supplier. Hope this helps :)

Posted on Jul 20, 2007

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Nelson, according to the information I have on this model the number six flashing is the code for control board failure or the water temp control (NTC) is defective or not positioned. The NTC sits on the upper right hand corner of the soap dispenser and is hard-wired to the control board. According to this info, if the NTC is defective the main board must be replaced too. Now Im not familiar with this model and what they mean by the NTC being out of position is beyond me. To get at it you would have to remove the outer door panel and outer skin by removing the philip screws on the inside of the door. The outer panel will slide down and off with the door in the upright position. Then remove the remaining screws for the skin and the dispensor will be accessable. Catriver.

Posted on Jul 06, 2007


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Welcome to FixYa.

I`ll start by saying the single most important factor in any dishwasher cleaning properly/effectively is the heating cycle.

That being said, my first suspicion is the unit isn`t heating sufficiently.

Here`s what you may be able to do to confirm or dismiss this though...

You`ll need to run a diagnostic program and need an ammeter.

**If you are not capable or have any reservations to doing this, I`d recommend calling in an authorized (B/S/H/ ) Bosch service technician**


To begin the test program, press the SCRUB WASH and DELICATE/ECONO buttons both in at the same time as you turn the unit on by pressing the ON/OFF button.

The version number of the circuit board will appear in the display, 20, 21, etc.

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The check each LED press the corresponding program button.

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**During the test, with the door panel removed place an ammeter on the gray/black wire it should draw 11 amps during the wash cycle...after it fills and the flow switch indicates it has adequate water to engage the heater**


If it doesn`t draw any amps. let me know. It is likely an issue with the control that can be repaired fairly easily.

Again though, If you do not feel comfortable attempting this service, call a local pro, preferably one familiar with Bosch/Thermador/Gaggenau/Siemens, to service your machine.

Hope this answer`s your question, let me know if I can assist you further.

Thank`s for visiting "FixYa" for your repair inquiries. Please take a moment and rate this solution to it's helpfulness.

Good luck.


Macmarkus :)

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