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    Long shot same fault as you had many years ago (Baxi Solo 2 pilot-valve solenoid coil failed)...

    Long shot same fault as you had many years ago (Baxi Solo 2 pilot-valve solenoid coil failed). Do you have any clues or guidance at all that would help me? I'm not about to start applying screwdriver pressure/hammers to the region of the gas valve unless I know exactly what I'm aiming at. I...
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    Baxi Solo 3 Pilot/Burner Lights Off

    Glad you got it sorted. You didn't need a GS engineer to replace the fan, it's nowhere near the gas supply. You need someone who knows a bit about boiler operation and is competent with electrics/electronics. ============================= Not correct.. A Gas Engineer is required, to touch...
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    Randall 103E7 instructions

    Or here: https://drive.google.com/drive/folders/1LHKmGrNqmbIVwtDrzUarbFsZASsGvjuc?usp=sharing
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    Randall 103E7 instructions

    Just a quick update that the instructions are still available from me at [email protected]
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    Randall 103E7 instructions

    I've found the instructions containing the critical information! I've scanned them but I don't think I can post them here so email me if you want a copy.
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    Randall 103E7 instructions

    Very old thread but I'm desperate to find this older model instruction manual for my aged mother. I cannot figure out how to set the time (even the current date & time). It was designed before they gave any thought to useability! As the OP said, the current model is massively different and...
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    baxi solo 3 circuit diagram

    Managed to get a new PCB off ebay for £70 and it now works a treat - toasty again!
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    baxi solo 3 circuit diagram

    I'll keep this brief as the thread has wandered somewhat... I've verified that there is power to the circulating pump but no power to the fan. This isolates it to the bottom left are of the Mk II circuit diagram, which I think is the closest to my board. Next suspect would be the fan relay, but...
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    baxi solo 3 circuit diagram

    No there is absolutely nothing happening at all, no fan, no ignition attempts (clicking). I think the ignition sequence from the PCB perspective is: Call for heat received. Provide power to circulator pump. Provide power to fan. Check pressure switch input (verifies fan is on), activate pilot...
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    baxi solo 3 circuit diagram

    Yeah, popped one end out and it reads 999, so unfortunately not a simple fix. The "Boiler on" light comes on when heat is called for, but that is it. No other lights, no fan, no ignition spark, nada. The current board was a recon. one off Ebay for £40 (sounds dodgy but they seem pretty pukka...
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    baxi solo 3 circuit diagram

    You are an absolute star, sir! Have had a Solo 2 for 12 years and have been searching (unsuccessfully) for a circuit diagram every time it went wrong (4th time now). Although I haven't fixed it this time, it has confirmed that R123 is 1K (the coloured bands are so cooked they have almost lost...
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    Baxi solo 2 intermittent fan/no ignition

    Hmmmm..... Took PCB out, noticed some scorching around a couple of resistors, so had resigned myself to a new one. Years of tinkering with electronics told me to put it back in and try it again, just in case. Fired up straight away. So: i) Diagnosis of faulty PCB was correct ii)...
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    Baxi solo 2 intermittent fan/no ignition

    Baxi solo 2 pf 60 “Boiler on” light is lit. “Fan on” light comes on for half a second, then switches off for a second, then comes on for half a second, then repeats ad infinitum. The fan comes on in time with the “Fan on” light. Needless to say the boiler is not igniting. The fan is...
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