I've got 3 radiators in our lounge, with HR92s on each, defined as a single zone and set to 5C overnight and during the day and 20C in the evenings. This evening they opened up to 20C as scheduled at 7pm but when I went in there a bit later they'd reset to 10C. I bumped it back up, and at 9pm (on the hour?) they went back to 5C. I've bumped up again and will monitor.
On the same evening I went up to get the kids' room ready at 7.30pm and it was stone cold - the default low for that room is 10C, and it had stayed there. The rad should have gone up to 20C at 6pm.
I've had this once or twice over the last 3 years of the system being installed and it seems to be resolved by popping the batteries out for a few minutes, but I'm a bit suspicious that I've seen odd behaviour in two different rooms at the same time.
Any thoughts welcome.
On the same evening I went up to get the kids' room ready at 7.30pm and it was stone cold - the default low for that room is 10C, and it had stayed there. The rad should have gone up to 20C at 6pm.
I've had this once or twice over the last 3 years of the system being installed and it seems to be resolved by popping the batteries out for a few minutes, but I'm a bit suspicious that I've seen odd behaviour in two different rooms at the same time.
Any thoughts welcome.
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