Independent technical reference
Ariston
24 published entries
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Equipment covered
Documented codes
Electric water heater 16
021Ariston 021 on a Nuos Plus heat pump water heater: possible refrigerant leakHigh· Boilers11Ariston 11 on a Velis water heater: water overheating detected by one sensorHigh· Boilers12Ariston 12 on a Velis water heater: general overheating from a board faultHigh· Boilers15Ariston 15 on a Velis water heater: overheating caused by lack of waterHigh· Boilers042Ariston 042 on a Nuos Plus heat pump water heater: evaporator blockedMedium· Boilers051Ariston 051 on a Nuos Plus heat pump water heater: high pressure in the heat pumpMedium· Boilers10Ariston 10 on a Velis water heater: outlet temperature probe open or short circuitedMedium· Boilers14Ariston 14 on a Velis water heater: powered heating element fails to heatMedium· Boilers141Ariston 141 on a Lydos Hybrid water heater: fan problemMedium· Boilers230Ariston 230 on a Nuos Plus heat pump water heater: water temperature sensor near the elementMedium· Boilers240Ariston 240 on Lydos Hybrid heater: anode short circuitMedium· Boilers241Ariston 241 on a Nuos Plus heat pump water heater: impressed current anode open circuitMedium· Boilers09Ariston 09 on electric water heater: air NTC sensor faultLow· Boilers218Ariston 218 on a Nuos Plus heat pump water heater: dome hot water sensorLow· Boilers314Ariston 314 on Nuos or Lydos heater: repeated ON/OFF lockoutLow· Boilers60Ariston 60 on Velis water heater: Wi-Fi communication faultLow· Boilers
Gas boiler 5
501Ariston 501 on a gas boiler: no flameHigh· Boilers601Ariston 601 on a gas boiler: flue gas extraction faultHigh· Boilers108Ariston 108 on a gas boiler: water pressure too lowMedium· Boilers201Ariston error 201 on a gas boiler: water circuit faultMedium· Boilers304Ariston 304 on a gas boiler: too many resets in 15 minutesMedium· Boilers