Ariston Dishwasher Error A02

⚡ Quick Answer: The Ariston dishwasher error A02 indicates a malfunction related to the water filling and heating systems. This error often results in the dishwasher ... ✅ DIY Fixable

What Does Error A02 Mean?

The Ariston dishwasher error A02 indicates a malfunction related to the water filling and heating systems. This error often results in the dishwasher failing to fill with water or not heating the water to the set temperature. Users may notice the program stopping shortly after starting, accompanied by unusual noises during operation. Common causes include issues with the water inlet supply, such as a blocked valve or hose, and faults in the heating system's components like the heating element or thermostat.

Common Symptoms:

  • Dishwasher fails to fill with water
  • Dishwasher does not heat water to set temperature
  • Program stops shortly after start

Possible Causes

  • Water inlet supply issue (valve/hose/filter blocked) (medium)
  • Heating system not reaching temperature (element/thermostat/thermistor fault) (medium)

How to Fix Error A02

DIY Fix Check water supply and inlet

  1. Ensure the kitchen water tap feeding the dishwasher is fully open.
  2. Inspect the inlet hose for kinks or bends that could restrict water flow.
  3. Clean the inlet hose filter and dishwasher water inlet valve filter screens.

DIY Fix Basic power reset

  1. Turn off the dishwasher using the control panel.
  2. Disconnect power (unplug or turn off breaker) for 5–10 minutes.
  3. Reconnect and restart to see if the error clears.

Technician Only Inspect and test heating components

  1. Test the heating element for continuity and proper operation.
  2. Check temperature sensor/thermistor and its wiring for faults.
  3. Verify control board heating circuit is functioning correctly.

Parts needed: heating element, thermistor/temperature sensor, control board

Technician Only Diagnose water inlet valve and fill system

  1. Use diagnostic tools to check inlet valve operation and signal.
  2. Inspect and possibly replace the water inlet valve if defective.
  3. Verify water pressure at connection meets dishwasher requirements.

Parts needed: water inlet valve, pressure sensor

🛑 When to Call a Pro:
  • If after checking supply and basic reset the A02 error persists
  • If internal component tests (valve, heating element, sensors) indicate faults
  • If you are uncomfortable performing electrical diagnostics

Technical Specifications

wattage 30W
component Drain Pump
resistance 5-15 ohms
part_number C00112345
voltage_rating 230V AC

Common Questions

What does A02 error mean on ariston dishwasher?

A02 indicates issues with water filling or heating, leading to program stoppage.

Can I fix ariston dishwasher A02 error myself?

Yes, check the water supply, inspect hoses, and perform a basic power reset.

How much does it cost to fix A02 error?

Estimated repair costs range from $80 to $250, depending on parts and labor.

When should I call a technician for A02?

Call a technician if the error persists after checking the supply or if internal components are faulty.

Sources & References

Data last verified: 2026-04-14

User Comments (0)

Share your experience or solution below.

Be the first to comment!