Ariston 501: what it means and when to call a pro · United Kingdom

Severity: Stop and call a pro

Ariston gas boiler error 501. The boiler failed to ignite (no flame was detected) and has locked out.

Smell gas? Leave the building and call the gas emergency number: 0800 111 999

Meaning

The boiler failed to ignite (no flame was detected) and has locked out.

Severity

Stop and call a pro

Source

Manufacturer documentation not yet linked

The repair: Boiler ignition lockout repair

Prices for repairs in United Kingdom are in GBP.

Other Ariston codes

  • Ariston 108 The water pressure in the heating system is too low, below about 1 bar on the gauge.

Brands in our catalog for gas boiler: Ariston, Baxi, Bosch, Ferroli, Ideal, Potterton, Vaillant, Viessmann, Worcester Bosch. The same code on another brand is not in the catalog yet, and we do not guess what it means.

All Ariston codes

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