Ariston Dishwasher Error A01

⚡ Quick Answer: The Ariston dishwasher A01 error code indicates that the anti-flood protection system has been activated, typically due to water leakage or a triggere... ✅ DIY Fixable

What Does Error A01 Mean?

The Ariston dishwasher A01 error code indicates that the anti-flood protection system has been activated, typically due to water leakage or a triggered float switch. This safety feature stops the water supply to prevent flooding and results in the dishwasher halting mid-cycle. Signs include the A01 code on the display, unusual noises during operation, and possible water accumulation in the base pan. Immediate inspection is necessary to address potential leaks and restore functionality.

Common Symptoms:

  • A01 displayed on panel or equivalent LED pattern
  • Dishwasher stops mid‑cycle
  • Possible water accumulation in base pan
  • Machine halts and drains

Possible Causes

  • Water leakage/flood detection triggering anti‑flood (Aquastop) system (medium)
  • Float switch activated by water in base pan (medium)

How to Fix Error A01

DIY Fix Check for visible water leakage and clear base pan

  1. Turn off and unplug the dishwasher.
  2. Carefully pull out the dishwasher to inspect the floor and area underneath for water.
  3. If water is visible in the base or bottom pan, absorb and remove it with towels.
  4. Check hoses, connections, and door seals for obvious leaks.

Technician Only Inspect and test float switch and anti‑flood system components

  1. Remove the lower access panel or toe kick to access the base pan area.
  2. Inspect the float switch or pressure sensor for proper operation and for signs of water damage.
  3. Test continuity of float switch and related wiring.
  4. Check for and repair any leaks in hoses, door seals, or internal plumbing.

Parts needed: Float/pressure switch, Hoses and clamps, Door gasket/seals

🛑 When to Call a Pro:
  • If you cannot locate or stop the source of leakage after checking hoses and seals.
  • If water continues to accumulate in the base pan after drying and inspection.
  • If float switch or anti‑flood system tests are inconclusive or fail.

Technical Specifications

wattage 30W
component Drain Pump
resistance 10-20 ohms
part_number C000000123
voltage_rating 230V AC

Common Questions

What does A01 error mean on ariston dishwasher?

The A01 error indicates activation of the anti-flood system due to water leakage or float switch triggering.

Can I fix ariston dishwasher A01 error myself?

Yes, check for water leaks and clear the base pan by turning off the machine, inspecting for water, and drying it.

How much does it cost to fix A01 error?

Repair costs for the A01 error range from $50 to $250, depending on the component failures.

When should I call a technician for A01?

Call a technician if you cannot find the source of the leak, if water keeps accumulating, or if tests on the float switch are inconclusive.

Sources & References

Data last verified: 2026-07-07

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