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Best place to start? How?

I’ve got 3 thermostats for the 3 zones. took the actuators off and it worked fine. however, it tripped again after a day and the fuse blew again in the polypipe control centre and it’s quite a big blow in that it blackened the fuse. On the mains rcd fuse box, this rcd is connected to boiler...

As in take the actuators off?

Hi there, Have polypipe UFH. Was away this week and the rcd tripped. Came home and UFH wasn’t working. Checked usual things and eventually got it back on with replacing fuse. Weirdly now though only 2/3 zones are working ( I can feel them warm). The one not working is my main big area. Weirdly...

thanks did double check that and fuse is definitely working. The lives going into the fuse spur are definitely working to. if I take the thermometers off, can I see if there is current from the lives going into the thermostat?

We turn off our electric under floor heating before summer and have gone to switch it on today and it’s not working. it’s a poly pipe electric system and that’s about all I know. We have 3 areas with 3 separate thermostats (utility, kitchen, lounge) and they are all not working. The thermostats...