Please do take care to read the information thoroughly as it is there to help you understand fault codes and to keep you safe. There are also some help, tips and hints with a lot of the fault codes published here that you usually will not find anywhere else and, as we learn, we add more information so if you can't find what you need please ask in the forums.
Before using this section please understand that fault or error codes are used as a diagnostic aid, they are not a replacement for diagnostic skill on the part of the person repairing the product and are not in any way usually going to point to the precise component that is faulty. All they do is give you an idea of where to start looking for the fault.
Ariston Dishwasher Error codes
These error code explanations can help you diagnose a problem with your Ariston Dishwasher.
North London Appliances Repair forums
We add more information as we learn so if you can't find what you need please ask in the Repair forums.
F10
Fill or empty time out.
- Issue:
- Check that the hoses are not kinked, that the taps are on or whether the drain pump or hose is blocked.
- Advice:
- We add more information as we learn so if you can't find what you need please ask in the Repair forums. Alternatively you can book a repair online or call us on 0208 226 3633 to arrange an engineer visit. We offer fixed price Ariston Dishwasher Repairs in London.
F11
Heater timed out.
- Issue:
- Heater timed out. The heater has not reached the required level
- Advice:
- We add more information as we learn so if you can't find what you need please ask in the Repair forums. Alternatively you can book a repair online or call us on 0208 226 3633 to arrange an engineer visit. We offer fixed price Ariston Dishwasher Repairs in London.
F20
Temperature under range.
- Issue:
- Temperature under range.
- Advice:
- We add more information as we learn so if you can't find what you need please ask in the Repair forums. Alternatively you can book a repair online or call us on 0208 226 3633 to arrange an engineer visit. We offer fixed price Ariston Dishwasher Repairs in London.
F21
Temperature over range.
- Issue:
- Temperature over range.
- Advice:
- We add more information as we learn so if you can't find what you need please ask in the Repair forums. Alternatively you can book a repair online or call us on 0208 226 3633 to arrange an engineer visit. We offer fixed price Ariston Dishwasher Repairs in London.
A01
Flood protection system (Aquastop) activated - dishwasher will drain down then halt
- Issue:
- Flood protection system (Aquastop) activated - dishwasher will drain down then halt. Flood protection activated.
- Advice:
- Check pressure switch and Check wiring. If the problem persists, please arrange an engineer visit. We offer fixed price Ariston Dishwasher Repairs in London, you can book a repair online or call us on 0208 226 3633 to arrange an engineer visit.
A02
Heating system failure - the dishwasher does not heat the water
- Issue:
- Heating system failure - the dishwasher does not heat the water.
- Advice:
- Check water heating element
- Check thermostats or thermistors
- Check wiring
- Check pressure sensor
- Check safety thermostat
- Check heater relay on control board
A03
Thermistor error detected
- Issue:
- Thermistor error detected.
- Advice:
- Check wiring to thermisrtor
- Check thermistor
A04
Unable to reach or sense temperature after seventy minutes
- Issue:
- Unable to reach or sense temperature after seventy minutes.
- Advice:
- Check water heating element
- Check thermostats or thermistors
- Check wiring
- Check pressure sensor
- Check safety thermostat
- Check heater relay on control board
A05
Water level switch or level sensor not resetting after three minutes twenty seconds of drain starting.
- Issue:
- Water level switch or level sensor not resetting after three minutes twenty seconds of drain starting.
- Advice:
- Check filters
- Check drain pump for blockages
- Check drain pump
- Check level switch or sensor
A06
Fill timeout
- Issue:
- Check water supply
- Advice:
- Check inlet hose
- Check water inlet valve
- Check wiring.
A07
Auxilliary wash pump triac error detected.
- Issue:
- Auxilliary wash pump triac error detected.
- Advice:
- Check drain pump
- Check Aquastop flood protection not activated
A08
Wash pump triac error.
- Issue:
- Wash pump triac error.
- Advice:
- Check circulation pump motor for blockages
- Check main circulation pump
- Check electroonic control board
A09
Main wash pump error or fault detected.
- Issue:
- Main wash pump error or fault detected.
- Advice:
- Check filters
- Check circulation pump motor for blockages
- Check main circulation pump
A10
Fill solenoid triac error detected
- Issue:
- Fill solenoid triac error detected.
- Advice:
- Check water inlet valve
- Check wiring
- Check electronic control PCB
A11
Half load triac or wash motor action error detected
- Issue:
- Half load triac or wash motor action error detected.
- Advice:
- Check divertor valve
- Check wash pump
- Check control PCB
A12
Wash heater relay open circuit
- Issue:
- Wash heater relay open circuit.
- Advice:
- Check water heating element
- Check thermostats or thermistors
- Check wiring
- Check heater relay on control board
A13
Soap detergent dispenser triac error or fault
- Issue:
- Soap detergent dispenser triac error or fault.
- Advice:
- Check soap or tablet dispenser solenoid
- Check wiring
H20
Water fill times out after six minutes
- Issue:
- Water fill times out after six minutes.
- Advice:
- Check water supply
- Check inlet hose
- Check water inlet valve
- Check wiring
Arrange a visit from a Dishwasher engineer
If you do need an engineer to visit your home, help is at hand. We’ll arrange for an engineer near you to call in and fix your appliance, at a time that’s suitable for you.
Book online or give us a call on 0208 226 3633
London Only - Coverage Area | ( Monday - Friday: 8:00 - 20:00 / Saturday: 09:00 - 18:00 )
Warning! To avoid personal injury or death, always unplug the appliance or disconnect the power before attempting any repairs. Always turn off the gas at the source before repairing any gas appliance. Always wear safety glasses when using tools. Keep loose clothing and hair away from any moving parts. Safety is of major importance when performing any service or repair on any electrical appliance. Please, read our disclaimer before proceeding.
