How to mend ... Pressure Vokera Heating

How can I sort my thermostat. Code: 20059643?

Faulty vokera compact 25?

vokera 12-48rse?

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

vokera boiler not 2yrs old yet , wont work?

Error code E82?

Max pressure?

I have a vokera 24m gas boiler ?

Vokera excell boiler needs topping up every couple of days ?

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

Boiler age?

no hot water/heating?

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

Max pressure?

Faulty vokera boiler compact 25?

Vokera mynute 28se?

how to ignite voker pilot light?

Ignition failure on Vokera Vision C boiler?

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

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

Max pressure?

heating system?

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

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

water drips from overflow?

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

Vokera sorry ?

Vokera mynute 35e fault code 08 what is problem?

my pressure on my boiler has gone?

how can I fix my Vokera linea 24 Combi?