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    Potterton Puma 100e parts discrepancy (PCB)

    Good evening all, I'll try to be concise as possible: From the brilliant advice on this forum, I think the PCB on the Potty has gone (no mains lights on boiler, fuse in mains suppy ok, when I press the 2amp fuse on the PCB (with an insulated screwdriver!), the mains lights briefly flash...
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    Potterton Puma 100e Low Pressure Light

    Thanks Weargas - I was just coming on to post exactly the same discovery ! The switch had come supplied with the plastic sleeve covering the wrong terminal as you said. Many thanks to you Weargas and to you Breezy for taking the time to reply. The Boiler is working fine now and my 3 month...
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    Potterton Puma 100e Low Pressure Light

    I swapped the two cables to the pressure switch around (I have read on another forum that it doesn't matter which way around they go anyway) but the warning light remains on. Thanks for taking the time to reply breezer, my faith in humanity has been restored !
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    Potterton Puma 100e Low Pressure Light

    Thanks for the reply breezer. I drained and refilled the system twice before I replaced the switch. After replacing the switch, the light extinguished but when I repressurised the system the light came back on. Is the fault a leak somewhere. Many Thanks
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    Potterton Puma 100e Low Pressure Light

    If anyone has any advice about the above I would really appreciate it. I am a complete novice but have replaced the water pressure switch as recommended in the fault finder in the instructions but the Low Pressure Light remains on. Thanks very much. :cry:
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