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Hotpoint dishwasher error codes and spare partsFault or error codes used in Aquarius range dishwashers produced Hotpoint that have a model number starting with FDF however, these error codes may apply to a few other dishwasher brands as well.

These dishwasher fault codes will displayed as a binary code, exactly as you will see below, using the LEDs in the panel or display on the dishwasher door.

Before you start any investigation of the fault on your Hotpoint 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 remember to support our site by buying Hotpoint 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 search for a local Hotpoint dishwasher repairer using our engineer seach facility.

  Hotpoint Aquarius FDF Dishwasher Fault Codes

Like other fault codes these written for dishwasher repairers and not for the general public by Hotpoint 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 basic fault finding guide from this link before you begin.

Please check that any dishwasher spares recommended are suitable for use on your particular model and production code or 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 dishwasher. 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.


A-1: Overfilling
  • Flood protection activated
  • Check pressure switch
  • Check wiring


A-2: Water inlet valve error or turbine error, dishwasher not filllling with water
  • Check water supply
  • Check inlet hose
  • Check water inlet valve
  • Check wiring


A-3: Dishwasher times out when draining - water will not drain
  • Check for blockage
  • Check outlet hose for blockage or obstruction
  • Check drain pump
  • Check wiring


A-4: Error detected on thermistor circuit
  • Check wiring to thermisrtor
  • Check thermistor


A-5: Circulation pump blocked or faulty
  • Check filters
  • Check circulation pump motor for blockages
  • Check main circulation pump


A-6: Water inlet times out, dishwasher not filllling with water
  • Check water supply
  • Check inlet hose
  • Check water inlet valve
  • Check wiring


A-7: Turbine faulty - electronic module has detected no turbine rotation
  • Check turbine
  • Check wiring


A-8: Heating phase has timed out - dishwasher fails to heat the water
  • Check wash heater
  • Check thermistors


A-9: Software recognition error - EEPROM error
  • Reprogram the dishwasher EEPROM
  • Replace electronic control module


A-10: Heating circuit error detected
  • Check water heating element
  • Check thermostats
  • Check wiring


A-12: Communications error between control boards
  • Check wiring between control boards
  • Replace electronic control module


A-13: Non-operative electroniuc control module
  • Reprogram the dishwasher EEPROM
  • Replace electronic control module

  More Hotpoint 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 forums after registering but please do pay heed to the information below before doing so and read the guides, they are there to help you. But if you are in any doubt at all or don't think you are up to diagnosing the fault yourself please the engineer search.

You must understand certain things before you begin or attempt any repairs on your own and we want to make these points very, very 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 these Hotpoint dishwasher 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 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. 

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 Hotpoint dishwasher model please post a request to confirm this in the forums.

Applies To Dishwasher Models

These fault codes will apply to models not listed.

Hotpoint Dishwasher

FDF780, FDF784

Hi- my FDD914 is showing error code A11 which is not listed - anyone any ideas what the fault is?
tengo lavavajillas Hotpoint Ariston LFF7 8H14 y dá error A-10 , que puede ser ??? reemplacé 2 ACS108-6s y sigue igual.I Hotpoint Ariston dishwasher fails LFF7 8H14 and A-10, which can be ??? I replaced 2 ACS108-6s and still the same
rob smith
my dishwasher has the code pc displayed can any one tell me what this means please its a fdw70g
mel momber
Hi my Hotpoint dishwasher has come up with an error message of A 13 - is there anything I can do to fix it?
Mr A serjeant
My FDF780P powder/ tablet dispenser door will not open during thewash cycle
Allison wildsmith
Our dishwasher is coming up with code A8? Is there anything we can do to fix this?Thank you
Tim Fortune
My Hotpoint FDF780 dishwasher is showing error code A3. There is nothing blocking the obvious filters (they've been taken out and washed) and I've emptied the water manually. All I can think is that the pump is blocked. Does anyone know a way of accessing the pump without taking the whole thing apart? Please help.
Bill Anderson
Does anybody do exploded diagrams?
Hi,Our Hotpoint is displaying code A10, How can this be resolved. Thank You.

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