Ariston gas boiler 501: what it means and when to call a pro · Czechia
Severity: Stop nowAriston 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: 1239
Meaning
The boiler failed to ignite (no flame was detected) and has locked out.
Severity
Stop now
Stop. Switch it off and call a pro
Steps are not shown for this code because no qualified person has reviewed them yet. What is safe: switch it off and call a pro.
Source
Manufacturer documentation not yet linked
The repair: Boiler ignition lockout repair
Prices for repairs in Czechia are in CZK.
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.