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Restarting Bosch Combi after Oil Runs Out

Discussion in 'Plumbing and Central Heating' started by JustWilliam, 5 Jun 2005.

This topic originated from the How to page called Problems associated with noises from the central heating system.

  1. JustWilliam

    JustWilliam

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    My boiler may have run out of oil, the tank is now full again but I cannot restart the boiler.

    Can anyone please give me any tips how to do this?

    Oressure guage shows low if that is relevant and I have tried pushing the Lockout reset all to no avail.

    Many thanks in advance
     
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  3. kevplumb

    kevplumb

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    try a search it has been covered

    willhelm springs to mind :LOL:
     
  4. doitall

    doitall

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    You have to bleed the oil pump, after you top the system pressure back up to where it should be.

    Burner model would be handy
     
  5. JustWilliam

    JustWilliam

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    Hi there,

    Thanks for the reply

    It is a Worcester Bosch Heatslave 15/19 RS.

    How do I bleed the oil pump.

    Thankyou
     
  6. doitall

    doitall

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    The burner Model

    Electro oil and has a model Number on the plate.

    The Danfoss oil pump has a model number on the front
     
  7. JustWilliam

    JustWilliam

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    Thanks again for your help, it is a bit hard to read but I think this is right

    The oil pump is a BFP 41 L3

    The burner is a Inter B 9-B

    8-716-42-705

    Type B9 (PL6-7-21,5-10)

    and it is a Betone
     
  8. wilhelm

    wilhelm

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    reset lockout and blip burner on.off via boiler stat for few times, or run to lockout and reset, should go, if not, then its time to crack a bleed screw.
     
  9. doitall

    doitall

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    Bleed screw is the top one of three on the side of the pump.

    Could just slacken the filter on the top off if you cant find the bleed
     
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  11. JustWilliam

    JustWilliam

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    Thanks again,

    Slackened off the screw some oil dripped out, but the boiler still wont start, keeps going back to log off.

    Thanks for trying to help though
     
  12. wilhelm

    wilhelm

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    crack the flexi pipe at the pump connection, air should come out,....then oil.........everywhere :LOL:

    you could try bleeding at tank filter, first, but 9/10 should do it @ pump.
     
  13. oilman

    oilman

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    So you ran out of oil, there are two things to do before you start bleeding pump.

    1) is it a steel tank, or a fairly old plastic tank. Have you cleaned the filters?

    2) you can check the filters and flush the line at the same time. Turn off the stop valve on the oil line, this should be in the boiler casing. Undo the nut holding the flexi pipe onto the oil pump, put end of pipe into a pot and turn valve on. You ought to run a litre or two of oil through, and it should flow freely. If it doesn't the filters need checking.

    Turn off the stop valve, reconnect the pipe, and turn on the valve. wipe the joint dry, and check for leaks after 10 minutes, you can try running the boiler in the meantime.
     
  14. doitall

    doitall

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    You may have stirred up a load of 4****s in the tank did you let the oil settle before turning it on.

    Run some oil through the pipe into a vessel, and clean the cartridge filter on the top of the pump.
     
  15. JustWilliam

    JustWilliam

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    Thank you very much for the input.

    Just had a plumber out....

    Turns out when they delivered the oil they turned the valve next to the tank off to fill up the tank and had not turned it back on again, so I hadn't actually run out at all.

    Once again many thanks for your help.
     
  16. wilhelm

    wilhelm

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    ...well im sure you know what you mean. but at least you replied with an answer....to the problem, which is appreciated .
    ;)
     
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