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    Troubleshooting: Worcester CDi boiler power supply

    Hi spacethegas, what do you mean by spur? Yes it's the incoming lx which seems to be the problem. (I'm a she not a he!) It sounds like I'd better ask an electrician for help... Will post reply here about the solution. Thanx v much all.
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    Troubleshooting: Worcester CDi boiler power supply

    Hi SimonD, yes there is a cut-off if the pressure drops too low, which it had when I realised I needed to fill it up. However, the mains was still going to the control unit (clock etc and the LEDs were lit as normal). It was only after switching it off at the wall to fill it, then switching back...
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    Troubleshooting: Worcester CDi boiler power supply

    Hi LUNAT, yes it's 4V across the connections into the boiler. Very odd as would expect it to be zero if fuses gone in external circuits. Have checked all external fuses again - all fine (and all other appliances in kitchen fine - eg: oven) but can't access the boiler's external switch unit to...
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    Troubleshooting: Worcester CDi boiler power supply

    Hello all, this seems an excellent forum - I've been through lots of threads to try to find an answer to my problem with no success so I hope someone can help. My Worcester 28CDi RSF combi boiler stopped working this week. I noticed the pressure had dropped to 0 (but the power to the controls...
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