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Horstmann channelplus model H37 - ch won't come on?

hi - have just tried to fire up my central heating and it won't work. I pressed the middle button which is the heating button, and have put it on 'on', but nothing is happening. Can anyone help please?

Anna
October 2009
I know this is an ancient question, but I'll share what I just learned on same unit which has been in place for 17 years...

I had a situation where the buttons were getting harder to operate then one of the zones no longer worked properly. For example, if "Boost" were pressed the light would come on for a few seconds and then go off, the entire LCD panel disappearing as it did so.

Having read about batteries needing replaced, I checked that out first but it was good. Then I noticed the buttons were, despite plastic covers, actually just silicone with conductive paint applied. This is a real cheap way of doing buttons and the paint rubs off with time. Using "Remote Restore" paint I renewed the paint dots (19 in all (6 per zone plus 1 for the mode selector) and it was fine again.

NB - wrestling the unit off the wall was a tough job. The back-plate is about 60% of the unit width and the unit needs prised of off this using something thin and strong (think more like a pallate knife than a screwdriver)

Squealy
September 2023
possible a faulty motorised valve

Ian
October 2009

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