How to mend Heating Systems Vokera

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 mynute 28se?

Vokera sorry ?

heating system?

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

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

Vokera mynute 35e fault code 08 what is problem?

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

vokera 12-48rse?

Max pressure?

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

Boiler age?

Ignition failure on Vokera Vision C boiler?

Max pressure?

how to ignite voker pilot light?

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

vokera boiler not 2yrs old yet , wont work?

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

how can I fix my Vokera linea 24 Combi?

Faulty vokera compact 25?

no hot water/heating?

my pressure on my boiler has gone?

water drips from overflow?

Max pressure?

Error code E82?

Faulty vokera boiler compact 25?

How can I sort my thermostat. Code: 20059643?

I have a vokera 24m gas boiler ?

Vokera excell boiler needs topping up every couple of days ?