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Thanks for the quick replies. Is it possible to clean the plate he, or is a new one required? If a new one is req'd, are there any simple tests I can do to confirm, (or at least rule out other possibilities), before I fork out the £100 plus for the new part??? Once again, any info will...

Hi I have a Glow worm 24cxi combi. When the hot water tap is on, the green light comes on and hot water is produced. However, after a short time, (30 secs - 1 min), the red light comes on, the boiler flame goes out and the water runs cold. After a short while, (a cooling period I...

Thanks once again guys pump is spinning, didn't try the finger test when I had it out. I measured the cold resistance of the CH water temp sensor to be in the 10k region. Difficult to measure when hot, because lockout occurs very quickly, (10 to 30 secs) and pipe didn't seem that hot. I...

Many thanks....... but more help needed please. I have checked that the pump is spinning, was worried that the impeller wasn't, so I removed the pump head. Impeller intact, no corrosion, pump spins freely by hand, plus I briefly ran the pump observing the impeller spining freely. So, the...

Thanks. Is there any test you recommend to verify that it is the pump at fault? Are there any tests I can carry out to eliminate other components? Many thanks Ben

Hi, Had some good advice on here a while back. Can anyone help this time? Overview: Potterton Puma 80 PP version. It's had a new diverter valve, but continued to play up, (Lockout at random). I replaced the TC which seemed to fix the problem. Of course, it was warm weather and I...

Thanks Chris Does this mean the flow switch will cure the pilot light problem??? Can I fit it myself? Any help greatly appreciated Thanks DIYBEN

Can anyone help?? Initial problem....... Pilot light goes out (One loud click) after demand on the system, both CH or HW. Boiler guy comes to fix it...... checks LED on PCB.... it stays on AFTER Hot tap is switched off. New diverter valve required...£260!! System appears ok, LED behaves...