How to mend Vokera Mynite 20e

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

water drips from overflow?

Vokera sorry ?

Error code E82?

vokera boiler not 2yrs old yet , wont work?

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

Faulty vokera compact 25?

Faulty vokera boiler compact 25?

Ignition failure on Vokera Vision C boiler?

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

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

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

Vokera mynute 28se?

How can I sort my thermostat. Code: 20059643?

Max pressure?

heating system?

how can I fix my Vokera linea 24 Combi?

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

Max pressure?

vokera 12-48rse?

no hot water/heating?

I have a vokera 24m gas boiler ?

how to ignite voker pilot light?

Boiler age?

my pressure on my boiler has gone?

Vokera excell boiler needs topping up every couple of days ?

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

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

Vokera mynute 35e fault code 08 what is problem?

Max pressure?