How to mend Ariston Genus 35

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

Arriston combi boiler hot water scalding temp light comes on?

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

ariston microgenus 23 chimney led on?

error code e02 wont work when pressurised?

ariston e combi evo?

Heating? Ariston micro genus 27 mffi?

ariston boiler?

No display on Ariston e-combi approx3yrs old?

Ariston Error Code E02 now A77?

ariston genus he shows error A06?

eurocombi?

Replace PCb on 30he?

ariston boiler slow to ignite?

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

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

Ariston microgenus 27 mffi problem?

Ariston Microgenus 23 MFFI PCB Defect?

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

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

Ariston microgenus 23 sounds like a jumbo jet!?

boiler stopped working?

E 34 on ariston boiler microgenus 24?

gas boiler keeps going to reset?

What is the problem?

boiler keeps going out?

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

how to fix a err 103?

Boiler fault Ariston Dia 20 mffi ce type c?

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