How to mend Vokera Combi Heating

Vokera boiler on constantly. Room stat showing unknown code. ?

vokera boiler not 2yrs old yet , wont work?

Vokera mynute 35e fault code 08 what is problem?

Max pressure?

how can I fix my Vokera linea 24 Combi?

wiring a nest heat link to a vokera 25 he compact ?

how can we fix our Vokera compact 29a lose presure ?

Vokera sorry ?

vokera 12-48rse?

Max pressure?

Error code E82?

Faulty vokera boiler compact 25?

Vokera Maxin 28e combi boiler, DHW runs hot and cold?

Vokera mynute 28se?

Max pressure?

how to ignite voker pilot light?

Vokera excell boiler needs topping up every couple of days ?

How can I sort my thermostat. Code: 20059643?

Ignition failure on Vokera Vision C boiler?

vokera boiler no heat but 2nd pipe from the left is red hot?

my pressure on my boiler has gone?

no hot water/heating?

timer on my vokerera excell boiler does not go round, how do i fix it?

I have a Vokera 24 that shows error code 07. can anyone help me fix it?

heating system?

water drips from overflow?

Boiler age?

rads warm up when hot water turned on vokera unica 36 he?

I have a vokera 24m gas boiler ?

Faulty vokera compact 25?