What does the Ariston NO WATER L.E.D. fault code mean?

Your boiler has stopped working because it cannot detect enough water pressure circulating inside the system.

How much does it cost to fix Ariston error code NO WATER L.E.D.?

Typical repair cost for the Ariston NO WATER L.E.D. fault is £80-150 including labour.

Check your boiler's internal pressure gauge located on the front panel.

Illuminates within 40 seconds if there is air in the system, main circuit flow switch operation issues, or low water pressure (return to 1 bar).

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Six most common causes of dropping pressure.

Each noise points to a different fault.

Sludge build-up — needs flushing, not bleeding.