Baxi Solo 3 boiler completely dead

Discussion in 'Plumbing and Central Heating' started by cinman2003, 1 Dec 2010.

  1. cinman2003

    cinman2003

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    My pump sounded knackered, so I replaced it (quite easy job) this evening. I noted the water in the pipes was black, although not sludgy. The new pump duly ran for a while and all was well (although the rads seemed to take forever to even start getting lukewarm. Then the boiler stopped, as did the pump. Did usual checks (thermostat, timer switch, fuse governing power to the boiler). When I turn off and on the power to the boiler, I hear a slight relay "click" from within, but nothing. No lights, no action at all. Thermostat pot turned up/down/off and on makes no difference. No lamps lit at all - completely dead. When it DID eventually come on (with me flicking the power supply off/on/off/on repeatedly a few times) it came on and fired up, but the pump and nothing else did come on. I cannot afford to call someone out, plus my local dudes are all "2 or 3 days soonest mate" probably due to the cold snap. I've got a familly and we're freezing ... please, please, please ANY HELP WOULD BE APPRECIATED!!! I suspect the pcb circuit board might be knackered - your thoughts? If so, where would I get one from - do you know? Please help ...
     
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  3. Hugh Jaleak

    Hugh Jaleak

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    Not too sure on these, but IIRC there is an internal fuse, might be worth checking that isnt blown.
     
  4. cinman2003

    cinman2003

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    Good call, did check using small multimeter and it's fine. Based on the fact the pump wasn't being triggered, the gas pressure is good and electrics fine - I've decided it must most likely be the pcb board. Bought one new off ebay and should arrive tomorrow morning, so will update when it arrives and is fitted - so see what difference it's made. Will also try to bleed and flush system out this weekend, as the water being black is probably not a good thing (I'm planning on (a) emptying, (b) flushing through with clean until the black stuff mostly disappears, (c) adding cleaner to expansion tank and refilling whole system, (d) running for 48hrs, (e) emptying and flushing again, (f) filling with inhibitor - does that sound like a plan?)
     
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