How to mend Ariston One 40 Rff

I have an Ariston Genus boiler. Fault showing 30 40 50, I can't find manual?

boiler stopped working?

Replace PCb on 30he?

Heating? Ariston micro genus 27 mffi?

error code e02 wont work when pressurised?

Ariston microgenus 23 sounds like a jumbo jet!?

eurocombi?

ariston genus he shows error A06?

Ariston Error Code E02 now A77?

Why does my boiler remain ON - even when switch is moved to OFF?

ariston boiler slow to ignite?

boiler keeps going out?

ariston microgenus 23 chimney led on?

Why is my ariston microgenus 23 combi boiler producing hot water downstairs?

Why is the pressure on my Ariston boiler rising to nearly 4 Bar?

I have an Ariston Clas He system with an error code of 1P2?

No display on Ariston e-combi approx3yrs old?

Error light blinking (orange colour) on Ariston e-combi boiler?

Ariston microgenus 27 mffi problem?

Please could anyone tel me why my boiler constantly shows err 501. I reset?

how to fix a err 103?

ariston e combi evo?

I have error code 108 on my Ariston Combi boiler what do I do to fix it?

Boiler fault Ariston Dia 20 mffi ce type c?

Ariston Microgenus 23 MFFI PCB Defect?

ariston boiler?

What is the problem?

E 34 on ariston boiler microgenus 24?

gas boiler keeps going to reset?

Arriston combi boiler hot water scalding temp light comes on?