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H2O flashes

H2O flashes on display - Washer-dryer does not fill with water

Ariston · Washer-Dryers

What does H2O flashes mean?

The display shows 'H2O' flashing, indicating that the washer-dryer is not filling with water. This can be caused by issues with the water supply hose, tap, or water pressure.

Common Causes

  • The water inlet hose is not connected to the tap.
  • The water inlet hose is bent or kinked.
  • The water tap has not been opened.
  • There is no water supply in the house or pressure is too low.
  • The START/PAUSE button has not been pressed.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the water inlet hose is securely connected to the tap.

  2. 2

    Straighten any bends or kinks in the water inlet hose.

  3. 3

    Open the water tap fully.

  4. 4

    Check if there is a water supply in your house and that water pressure is adequate.

  5. 5

    Press the START/PAUSE button to resume the cycle.

Browse all codes in this manual (12)
Verified technical data. Last updated: April 2026

Related Faults

Continuous fill and drainWasher-dryer continuously takes in and drains waterCycle not startingWash cycle does not startExcessive foamToo much foam in the washer-dryer
Source: Ariston Washer-Dryers
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