How to mend Vokera Max Boiler

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

Boiler age?

Faulty vokera compact 25?

how can I fix my Vokera linea 24 Combi?

heating system?

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

water drips from overflow?

Ignition failure on Vokera Vision C boiler?

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

how to ignite voker pilot light?

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

Vokera sorry ?

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

I have a vokera 24m gas boiler ?

Vokera mynute 35e fault code 08 what is problem?

Faulty vokera boiler compact 25?

my pressure on my boiler has gone?

Error code E82?

Max pressure?

vokera 12-48rse?

How can I sort my thermostat. Code: 20059643?

no hot water/heating?

Vokera mynute 28se?

Max pressure?

vokera boiler not 2yrs old yet , wont work?

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

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

Vokera excell boiler needs topping up every couple of days ?

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

Max pressure?