How to mend Vokera Excell 80 E

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

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

Error code E82?

Faulty vokera compact 25?

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

How can I sort my thermostat. Code: 20059643?

how to ignite voker pilot light?

heating system?

my pressure on my boiler has gone?

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

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

vokera boiler not 2yrs old yet , wont work?

Max pressure?

Vokera mynute 28se?

Vokera sorry ?

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

Vokera excell boiler needs topping up every couple of days ?

Faulty vokera boiler compact 25?

Max pressure?

how can I fix my Vokera linea 24 Combi?

I have a vokera 24m gas boiler ?

water drips from overflow?

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

vokera 12-48rse?

no hot water/heating?

Ignition failure on Vokera Vision C boiler?

Boiler age?

Vokera mynute 35e fault code 08 what is problem?

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

Max pressure?