Oil burner shut down problem Help!

Discussion in 'Boiler Forum' started by JFCarbonneau, Feb 3, 2010.

  1. JFCarbonneau

    JFCarbonneau New Member

    Messages:
    7
    Location:
    NH
    Hi there,

    I have a 3 years old Carlin oil burner installed on a OWB & OWT boiler. When the thermostat reach its set temperature and shut down the furnace, the oil burner will cycle on and off very rapidly 6 or 7 times at one second interval before stopping completely. it makes a sound like "rapid breathing". It doesn't feel normal to me. What may be the cause of it?

    Thanks in advance,

    JF
  2. nhmaster

    nhmaster Master Plumber

    Messages:
    3,189
    Location:
    S. Maine
    Probably the thermostat but could be the burner relay.
  3. aquiety

    aquiety New Member

    Messages:
    1
    Location:
    England
    I have experienced a similar problem on a Riello burner - it could be a bad burner control box.
  4. MAoilTech

    MAoilTech New Member

    Messages:
    25
    Location:
    MA
    Agree's with pete, aquiety, T-stat,Limit Control, or your Primary Control specially if you have R8184G type control (grey box with a red button) Contacts get worn out make the control click on and off rapidly run the unit and give the control few love taps and see if get stuck or shut off and on.
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