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  • FIRST POST
    • kpmatthews
    • By kpmatthews 8th Feb 18, 6:38 PM
    • 23Posts
    • 4Thanks
    kpmatthews
    Baxi Solo boiler - no lights
    • #1
    • 8th Feb 18, 6:38 PM
    Baxi Solo boiler - no lights 8th Feb 18 at 6:38 PM
    Hi

    I have a Baxi Solo 3 PF30 with no power...

    T minus 5 days: No lights on front of boiler despite call for heat. I powered off and on and it kicked into life. Ok for a day.

    T minus 4 days: It died again. Pressure a bit low so topped up. Ok for 3 days.

    T minus 1 day: It died again. Powered off and on and this time got to the fan light but fan not spinning. Took the front off and tried a drop of oil but there was a fair bit of resistance when trying to spin by hand so....

    Today: Replaced the fan. Boiler sprang into life, lasted about 8 hours but now no lights again. Pressure ok. Power cycle has brought it back to life... for now.

    What would cause no lights (not even 'boiler on' despite a call for heat?

    Thanks, Kris
Page 1
    • Alex1983
    • By Alex1983 8th Feb 18, 7:06 PM
    • 823 Posts
    • 487 Thanks
    Alex1983
    • #2
    • 8th Feb 18, 7:06 PM
    • #2
    • 8th Feb 18, 7:06 PM
    Does it have a permanent live to it? Not all solos had a permanent live, just a switch live that powered the boiler via the zone/ mid pos valve.
    • kpmatthews
    • By kpmatthews 8th Feb 18, 7:15 PM
    • 23 Posts
    • 4 Thanks
    kpmatthews
    • #3
    • 8th Feb 18, 7:15 PM
    • #3
    • 8th Feb 18, 7:15 PM
    yes it has a permanent live
    • Alex1983
    • By Alex1983 8th Feb 18, 7:30 PM
    • 823 Posts
    • 487 Thanks
    Alex1983
    • #4
    • 8th Feb 18, 7:30 PM
    • #4
    • 8th Feb 18, 7:30 PM
    As long as its getting permanent 240v and you have no green on led it could only really be the PCB, I would think
    • kpmatthews
    • By kpmatthews 8th Feb 18, 7:39 PM
    • 23 Posts
    • 4 Thanks
    kpmatthews
    • #5
    • 8th Feb 18, 7:39 PM
    • #5
    • 8th Feb 18, 7:39 PM
    i've also noticed it will tend to cycle alot. it heats for about five minutes, turns off for a minute, repeat ad infinitum. all the time the controller is calling for heat. i always assumed it was normal but now im second guessing
    • Alex1983
    • By Alex1983 8th Feb 18, 8:01 PM
    • 823 Posts
    • 487 Thanks
    Alex1983
    • #6
    • 8th Feb 18, 8:01 PM
    • #6
    • 8th Feb 18, 8:01 PM
    If you can use a multi meter, the manufacturer instructions will tell you the resistance you should expect off the sensor but id be surprised if its not a PCB issue as a sensor issue would not cause the power led to be off.
    • kpmatthews
    • By kpmatthews 9th Feb 18, 3:01 PM
    • 23 Posts
    • 4 Thanks
    kpmatthews
    • #7
    • 9th Feb 18, 3:01 PM
    • #7
    • 9th Feb 18, 3:01 PM
    the on/off cycle is actually one minute, on/off/on/off and repeat.

    i've noticed if i unclip the thermostat it will stop cycling and stay on (i only let it go for three minutes, seeing as its a safety feature and all...)
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