How to mend Ariston Micro Genus He

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

Heating? Ariston micro genus 27 mffi?

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

ariston boiler slow to ignite?

error code e02 wont work when pressurised?

ariston microgenus 23 chimney led on?

how to fix a err 103?

Ariston Microgenus 23 MFFI PCB Defect?

Ariston Error Code E02 now A77?

ariston genus he shows error A06?

Arriston combi boiler hot water scalding temp light comes on?

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

gas boiler keeps going to reset?

ariston e combi evo?

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

E 34 on ariston boiler microgenus 24?

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

No display on Ariston e-combi approx3yrs old?

Boiler fault Ariston Dia 20 mffi ce type c?

Replace PCb on 30he?

Ariston microgenus 27 mffi problem?

eurocombi?

boiler keeps going out?

Ariston microgenus 23 sounds like a jumbo jet!?

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

What is the problem?

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

ariston boiler?

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

boiler stopped working?