Vokera Linea 28 Error Code 04
- Thread starter ElectricIan
- Start date
The circled item is known as the flow manifold. When the pump runs, differential pressure is created in the flow manifold resulting in the spindle pushing out and activating the microswitch. The microswitch operates the fan.
The flow manifold operates like this every time the pump runs and pump runs for both heating and hot water demand so to say boiler is more reliable during hot water demand may suggest there is another issue brewing up in the background since during the hot water demand the differential pressure in the flow manifold is weaker.
I suspect the boiler is lacking proper service protocol
You will be modifying correct boiler operation which is forbidden under GSIU regulations. What if your gauge is defective and that manifold is bridged out or padded, burner fires with no or little water into the appliance. You then have a fire in the manifold that melts everything. You do know the smallest Linea is like running eight 3 bar electric fires.
Vokera will help if you have a Gas Safe number
Interesting, ring 0330 236 8630 option 4 then the option for customer service see if you can get a fixed price repair.
Hi,
Agreed the circle item is the flow manifold, but the whole item in the picture is sold as "COMPLETE DIVERTER VALVE". Isnt that correct naming?
I noticed that the spindel is pushing out when hot water tap is on (well, sometimes it is NOT pushing out and the error 04 occurs). However I havent tried to start the heating (i.e. set the temperature on the wall thermostat to hight to start the burnrer) to check if the spindel will push out as well.
I am not sure the boiler is more reliable during either mode.
What happens is: when the hot water is running and the spindle/pin is not out, if I press the micro switch error is cleared.
I was under the impression that the pump runs all the time as it circulates the water in the radiators. Isnt that so?
Anyway the question still stands: Do I need to replace the complete part.
I never had to do that as I service and repair boiler. More than that I cannot say.
Not my boiler- I don’t have that boiler. Service this make and model regularly. Minimum for me is what the manual asks under service heading. I prefer to go beyond the minimum requirement. Not the first the have I taken the fan out and washed it, same main heat exchanger, scrubbed the fins and washed under tap, remove burner- examine and clean.. base if chamber is washed and cleaned till it is shined again. The part in your picture is stripped, cleaned, lubed and worn parts replaced. Oh- expansion vessel pressurised.
Parting shot is burner pressure checked as is gas rating and other checks the manual asks for.
After the service, the boiler has to function as near as when it came off the production line and all this is often demonstrated while the client looks on- nothing to hide
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