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Gas boiler not firing

  • 27-08-2014 9:16pm
    #1
    Mikko Mallikas
    Registered Users, Registered Users 2 Posts: 170 ✭✭


    Hi, my sister just collected keys to a new house. The gas boiler (Sime EV He ecomfort) would not start due to alarm 02 (AL02)
    LOW WATER PRESSURE ERROR
    ALARM 02 (fig. 18/a)
    If the system pressure detected by the
    water pressure switch is lower than 0.5
    bar, the boiler stops and the display
    shows the alarm “AL 02”.
    Using the external filling loop, increase
    the pressure indicated on the pressure
    gauge to between 1 and 1.2 bar

    This I rectified by opening the valve and increasing the pressure. The boiler then came to life and attempted to start but failed giving alarm 06 (ALO6)

    LOCKOUT ALARM 06 (fig. 18/b)
    If the flame control has not detected the
    presence of the flame after a complete
    ignition sequence, or for any other reason
    the card cannot “see” the flame, the
    boiler will stop and the display will show
    the alarm “AL 06”.
    Press the reset key of the controls to start
    up the boiler again.

    Further reading finds:

    3.6 ELECTRONIC IGNITION
    Ignition and flame detection is controlled by
    a single electrode on the burner which guarantees
    reaction in the case of accidental
    extinction or lack of gas within one second.
    3.6.1 Functioning cycle
    Burner ignition should occur within 10
    seconds of the opening of the gas valve. If
    after three attempts the ignition is not
    detected the boiler will lockout (ALL 06):
    – Lack of gas
    The ignition electrode will discharge for a
    maximum of 10 seconds. If after three
    attempts the ignition is not detected the
    boiler will lockout (ALL 06). This can happen
    the first time a boiler is switched on,
    or after long periods of inactivity. It can
    also be caused by a closed gas cock or a
    gas valve not operating.
    – No ionisation
    The boiler will spark for 10 seconds, if
    after 3 attempts the ionisation is not
    detected, the boiler will lockout (ALL 06).
    This could be due to a poor connection or
    break in the ionisation cable. Check also
    that the cable is not shorted, badly worn
    or distorted.

    So how should I proceed with fixing this, only thing I can think that may be causing this is the boiler was probably off all summer and maybe even longer. Any help greatly appreciated and sorry for the essay.


Comments

  • #2
    Egass13
    Registered Users, Registered Users 2 Posts: 1,056 ✭✭✭Egass13


    Mikko Mallikas wrote: »
    Hi, my sister just collected keys to a new house. The gas boiler (Sime EV He ecomfort) would not start due to alarm 02 (AL02)
    LOW WATER PRESSURE ERROR
    ALARM 02 (fig. 18/a)
    If the system pressure detected by the
    water pressure switch is lower than 0.5
    bar, the boiler stops and the display
    shows the alarm “AL 02”.
    Using the external filling loop, increase
    the pressure indicated on the pressure
    gauge to between 1 and 1.2 bar

    This I rectified by opening the valve and increasing the pressure. The boiler then came to life and attempted to start but failed giving alarm 06 (ALO6)

    LOCKOUT ALARM 06 (fig. 18/b)
    If the flame control has not detected the
    presence of the flame after a complete
    ignition sequence, or for any other reason
    the card cannot “see” the flame, the
    boiler will stop and the display will show
    the alarm “AL 06”.
    Press the reset key of the controls to start
    up the boiler again.

    Further reading finds:

    3.6 ELECTRONIC IGNITION
    Ignition and flame detection is controlled by
    a single electrode on the burner which guarantees
    reaction in the case of accidental
    extinction or lack of gas within one second.
    3.6.1 Functioning cycle
    Burner ignition should occur within 10
    seconds of the opening of the gas valve. If
    after three attempts the ignition is not
    detected the boiler will lockout (ALL 06):
    – Lack of gas
    The ignition electrode will discharge for a
    maximum of 10 seconds. If after three
    attempts the ignition is not detected the
    boiler will lockout (ALL 06). This can happen
    the first time a boiler is switched on,
    or after long periods of inactivity. It can
    also be caused by a closed gas cock or a
    gas valve not operating.
    – No ionisation
    The boiler will spark for 10 seconds, if
    after 3 attempts the ionisation is not
    detected, the boiler will lockout (ALL 06).
    This could be due to a poor connection or
    break in the ionisation cable. Check also
    that the cable is not shorted, badly worn
    or distorted.

    So how should I proceed with fixing this, only thing I can think that may be causing this is the boiler was probably off all summer and maybe even longer. Any help greatly appreciated and sorry for the essay.

    First of all , make sure you have gas . If you don't find out why .

    If you do , then call an Rgi to rectify the fault .

    Simples


  • #3
    DGOBS
    Hosted Moderators Posts: 3,496 ✭✭✭DGOBS


    As suggested above, once you have confirmed that you have gas (make sure the gas meter is turned on, and is a card meter topped up with credit and turned on)
    there is little more you can do yourself.

    Possibly the gas has been shut off and the meter locked, if so, you will need to get an RGI out to certify the installation (cert3) and arrange for the gas supplier to come out and turn on the gas again (in the new owners name)

    I would also suggest giving that the appliance has been left sitting, it would then be advisable to have the appliance (and any other gas appliances) in the installation serviced to ensure they are safe to use, and running correctly.

    You cannot remove the boiler cover and carry out any repairs to the appliance yourself, they are restricted works and come with penalties, only an RGI is permitted to carry out gasworks and they must issue you a certificate once works are completed.

    Information regarding the servicing and repair of gas appliances cannot be given out on this forum, any such thread will be closed and deleted.


  • #4
    Mikko Mallikas
    Registered Users, Registered Users 2 Posts: 170 ✭✭Mikko Mallikas


    Thanks for all the advice, returned to it today and it lit first time and several times after that, heated rads and water.


  • #5
    wampyrus77
    Registered Users, Registered Users 2 Posts: 1,763 ✭✭✭wampyrus77


    well who ever invented to metre and paying metre as one unit is jackass, i luckly im not senoir citsen or dont have bad back problems ive bend back to reach it eveytime i want top it up


  • #6
    Dtp1979
    Registered Users, Registered Users 2 Posts: 12,870 ✭✭✭✭Dtp1979


    Mikko Mallikas wrote: »
    Hi, my sister just collected keys to a new house. The gas boiler (Sime EV He ecomfort) would not start due to alarm 02 (AL02)
    LOW WATER PRESSURE ERROR
    ALARM 02 (fig. 18/a)
    If the system pressure detected by the
    water pressure switch is lower than 0.5
    bar, the boiler stops and the display
    shows the alarm “AL 02”.
    Using the external filling loop, increase
    the pressure indicated on the pressure
    gauge to between 1 and 1.2 bar

    This I rectified by opening the valve and increasing the pressure. The boiler then came to life and attempted to start but failed giving alarm 06 (ALO6)

    LOCKOUT ALARM 06 (fig. 18/b)
    If the flame control has not detected the
    presence of the flame after a complete
    ignition sequence, or for any other reason
    the card cannot “see” the flame, the
    boiler will stop and the display will show
    the alarm “AL 06”.
    Press the reset key of the controls to start
    up the boiler again.

    Further reading finds:

    3.6 ELECTRONIC IGNITION
    Ignition and flame detection is controlled by
    a single electrode on the burner which guarantees
    reaction in the case of accidental
    extinction or lack of gas within one second.
    3.6.1 Functioning cycle
    Burner ignition should occur within 10
    seconds of the opening of the gas valve. If
    after three attempts the ignition is not
    detected the boiler will lockout (ALL 06):
    – Lack of gas
    The ignition electrode will discharge for a
    maximum of 10 seconds. If after three
    attempts the ignition is not detected the
    boiler will lockout (ALL 06). This can happen
    the first time a boiler is switched on,
    or after long periods of inactivity. It can
    also be caused by a closed gas cock or a
    gas valve not operating.
    – No ionisation
    The boiler will spark for 10 seconds, if
    after 3 attempts the ionisation is not
    detected, the boiler will lockout (ALL 06).
    This could be due to a poor connection or
    break in the ionisation cable. Check also
    that the cable is not shorted, badly worn
    or distorted.

    So how should I proceed with fixing this, only thing I can think that may be causing this is the boiler was probably off all summer and maybe even longer. Any help greatly appreciated and sorry for the essay.

    If the pressure is correct and you have gas then all you can do is call a Rgi. Have you a prepay meter?


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