Vokera linea 28 problems

[Hobo128]

Im trying to diagnose this boiler, when i run the hot water the boiler is banging and then locking out, fault code 02. After a minute i can reset it. Also the pressure needle starts fluctuating rapidly when hot water is run. Ive taken out the plate and cleaned it out which seems clean, it doesnt seem to do this when c/h demand. I have a feeling it the pump but not sure. Any ideas? Also, this is my own boiler and i do have a new worcester waiting to be fitted but im flat out at work and have no time, shocking.

 

[Harvest Fields]

Isn’t 02 on a Vokera overheat. Check the basics first. Pump/main heat ex/pressure/airlock/vessel. Is it kettleing?? Try lowering the temp in the boiler. To see if it still does it. But does normally mean a circulation problem

 

[mfgs]

Diverter could also be at fault. Start with the above advice though.

 

[Hobo128]

Checked the pump and the seals have gone but central heating works perfectly