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I have a Potterton Suprima 40. It keeps blowing the fuse in the FCU. The fuse on the PCB is OK. The boiler powers up when I disconnect the overheat thermostat, but it will not ignite.
The overheat thermostat is a dead short , so I guess that it is faulty. There must be a short somewhere else as well. I guess it might be the PCB.
Any help appreciated.
The overheat thermostat is a dead short , so I guess that it is faulty. There must be a short somewhere else as well. I guess it might be the PCB.
Any help appreciated.