How to mend Vokera Sabre 28

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?

Max pressure?

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

Vokera mynute 35e fault code 08 what is problem?

my pressure on my boiler has gone?

Vokera sorry ?

how to ignite voker pilot light?

how can I fix my Vokera linea 24 Combi?

Error code E82?

heating system?

Vokera excell boiler needs topping up every couple of days ?

vokera boiler not 2yrs old yet , wont work?

Faulty vokera compact 25?

Vokera mynute 28se?

no hot water/heating?

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

Max pressure?

How can I sort my thermostat. Code: 20059643?

I have a vokera 24m gas boiler ?

Faulty vokera boiler compact 25?

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

water drips from overflow?

Max pressure?

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

Ignition failure on Vokera Vision C boiler?

Boiler age?

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

vokera 12-48rse?

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