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Ariston dishwasher fault codes and spare partsFault or error codes apply to an the Ariston DV, LS and LSV range of dishwasher models manufactured by the Indesit Company. The fault codes listed here will also apply to models from around 2004 from Philco, Ariston and Indesit as well as possibly some Hotpoint and now Whirlpool dishwashers as they are all Indesit Company owned brands.

Before you start any investigation of the fault or even look inside your Ariston dishwasher please read and fully understand this article in full and pay particular attention to the safety and information notices at the bottom of this page as they contain extremely important information!

Please try to support our site by buying Ariston dishwasher spares from our store here and, if you decide that you really need an engineer please support the local repairers that help make this site possible, you can find a local dishwasher repair engineer using our engineer search facility.

  Dishwasher Faults That Show No Error Code

Solenoid Valve Triac malfunction closed/open circuit

  • Wash cycle completes but with salt collection not functioning correctly i.e. hard water problems

Fan Triac and/or water heating element malfunction closed/open circuit

  • Wash cycle completes but with poor Drying 
EPROM malfunction - appliance finishes cycle before it is completed and stops.

Should a fault occur in use, the fault codes below will be displayed and should initially be used as a guide in your diagnosis.

Note that after switching on the dishwasher a short delay may occur before that fault code is displayed.

  Ariston Dishwasher Fault Codes

These fault codes are written for dishwasher repairers and not for the general public by Indesit and they assume a certain level of competence on the part of the user in diagnostic routines. We may have added some notes to try to assist you in determining the nature of the fault you have but, you will still need to investigate each failure on its own merits. For more help and advice on fault finding on a dishwasher please refer to our dishwasher fault finding guide from this link before you begin.

Please check that any Ariston dishwasher spares recommended are suitable for use on your particular model and serial number. If you are unsure about the suitability of any spare part please ask to ensure that you get the correct spares for your particular dishwasher model. Please, don't guess or assume as spares can be altered on a production run with the same model number having several different alternative components used.


Flood protection system (Aquastop) activated - dishwasher will drain down then halt
  • Flood protection activated
  • Check pressure switch
  • Check wiring


Heating system failure - the dishwasher does not heat the water
  • Check water heating element
  • Check thermostats or thermistors
  • Check wiring
  • Check pressure sensor
  • Check safety thermostat
  • Check heater relay on control board



Thermistor error detected
  • Check wiring to thermisrtor
  • Check thermistor



Unable to reach or sense temperature after seventy minutes
  • Check water heating element
  • Check thermostats or thermistors
  • Check wiring
  • Check pressure sensor
  • Check safety thermostat
  • Check heater relay on control board



Water level switch or level sensor not resetting after three minutes twenty seconds of drain starting
  • Check filters
  • Check drain pump for blockages
  • Check drain pump
  • Check level switch or sensor



Fill timeout
  • Check water supply
  • Check inlet hose
  • Check water inlet valve
  • Check wiring



Auxilliary wash pump triac error detected
  • Check drain pump
  • Check Aquastop flood protection not activated



Wash pump triac error
  • Check circulation pump motor for blockages
  • Check main circulation pump
  • Check electroonic control board



Main wash pump error or fault detcted
  • Check filters
  • Check circulation pump motor for blockages
  • Check main circulation pump




Fill solenoid triac error detected
  • Check water inlet valve
  • Check wiring
  • Check electronic control PCB




Half load triac or wash motor action error detected
  • Check divertor valve
  • Check wash pump
  • Check control PCB




Wash heater relay open circuit
  • Check water heating element
  • Check thermostats or thermistors
  • Check wiring
  • Check heater relay on control board




Soap detergent dispenser triac error or fault
  • Check soap or tablet dispenser solenoid
  • Check wiring




Water fill times out after six minutes
  • Check water supply
  • Check inlet hose
  • Check water inlet valve
  • Check wiring



  More Ariston Dishwasher Help, Advice And Guidance

Should you need more help and guidance please use the links from this article as most of them will help you to understand your dishwasher a lot better and probably very much help you in diagnosing the fault you have. Of course there are many other articles on the site that will also help you do this.

In addition you can post in our dishwasher forum but please do pay heed to the information below before doing so and read the guides, they are there to help you.

You must understand certain things before you begin or attempt any repairs on your own and we want to make these points clear to anyone that decides to investigate one of these or any other dishwashers:

  • We are not responsible for your safety, you are and by using this guide you accept that and accept that any damage that you may cause and work undertaken is entirely at your own risk.
  • We will advise the common causes of the fault codes but we cannot guarantee that any parts or work recommended will resolve the issue. It is entirely your responsibility to diagnose your particular problem and resolve it.
  • We are not responsible for you buying spares that do not resolve the problem, this is down to your own diagnosis not ours.
  • No warranty is inferred, implied or given.

You also have to understand that fault or error codes are not a "magic bullet", they will not tell you what the problem is, they will only offer you an indication of where the problem lies and they are no substitute for good old fashioned diagnostic skills. You can find out more about what fault codes actually tell you in this article. So please be well aware that, even with this new found knowledge you will still have to actually be capable of investigating and diagnosing the problem and this means adhering to basic appliance safety for working on them. As, if you don't and tell the engineers in the forums that you hooked up components to a live feed, worked on a live appliance and so on they will be a whole heap less willing to help you in our dishwasher forum because they will assume that you are not safe working on your dishwasher.

Please do note that manufacturers can and do change fault codes without notice and we cannot guarantee that these error codes will apply to your particular model as all codes apply to a wide range of appliances and not normally any one specific model. To determine if these fault codes do apply to your particular Ariston dishwasher model please post a request to confirm this in the forums.

  Applies To Dishwasher Models

Please note that we cannot guarantee that these fault codes will apply to every model listed as there is no list produced on what fualt code relates to which particular dishwasher models. You have to work out the range and electronic control system used as well as the error or fault signalling system being used on that particular dishwasher.

Ariston Dishwashers

AF200, AF250, AF300, AF300SS, AFA400, AFA400XUK, AS100, LD20UK, LS2020UK, LS2040IXUK, LS2040UK, LS2080ESTUK, LS2410UK, LS2450UK, LSI45/50UK, LSI61, LSI61UK, LSI68AUK, LSV66BKUK, LSV66BRUK, LSV66IXUK, LSV66RUKAN, LSV66RUKGN, LSV66UK, LSV66WHUK, SF200

Ariston dishwasher lffa+8h141 error code a3.according to ariston code list means thermistor.but my dishwasher dont have a thermistor.what maybe the best way.thanks
Hi Jun,

Please use the forums for help with stuff like that, the technicians will not see your comment here normally.

Hello,We own an Ariston LS 245. When turned on, it drains any water that was inside, then it refills and after refilling, it stops.The first light stays on and a slight buzzing sound is in the background. This has happened a few times before and we've simply RESET and start again. Sometimes this has worked but recently, Resetting doesn't help the situation.Any help will be much appreciated.Thanks
Daniel Hyman
Ariston LSI 41 dishwasher was working happily for several years. Last week, building's hot water was shut off for repairs. Now it's back on. Filters are clear, no standing water. But pressing power on button only makes red LED go on, no amount of pressing P[rogram] button makes any cycle indicator lights go on, any more. Holding the P button down while pressing power on, off, on does make the leftmost cycle green LED flash on, as if it could start a test mode. But nothing happens after that. How to get it working again?
Travis johnstone
Have ariston LS 2080 EST . When unit is turned on, red on/off light comes on but none of the cycle indicator lights etc come on. Have pressed all buttons on control panel but still nothing happens. Have checked door is closed properly
PB Pafford
Have a Aniston model # L 63 S NA,so# 510252047, COD.37307670100. Was running a wash cycle when I smelled smoke. Turned the machine off and investigated. Found running capisitor on motor no good. Replaced with new capisitor and tested. Went through wash cycle and ran fine. At end of wash cycle it drained wash water and stopped. Would not continue to rinse cycle. Drying light flashing rapidly indicating error or fault. Went through this several times with same results. Have no way of knowing what it is trying to indicate. Please excuse my spelling. Thanks for any help you can think of.
Kenneth Watt
If you ask in the forums one of the engineers may be able to help.
samer kassem
i got ariston lbf51 first i got all lamps flashing i cleaned the filter it worked for 20 minutes then it stopped and the water was flooded out the machinenow all indicators are ok but the machine fail to start

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