Hi guys,
i wonder if anyone could help. The batteries died in my est wireless thermostat for a couple of days a couple weeks ago. Now even tho i put the reauired temp above room temp and there is the little flame on it as the heating is on, it just doesnt turn it on. Anyone has any idea what i could do? I am close to giving up 😀 thank you
Best answer by Captainheatpump
Updated on 15/10/25 by Ben_OVO
It's a pairing issue between the thermostat and the receiver. Go online and get the pairing process. It happens when the batteries are left flat, quite common.
Captainheatpump has also provided this handy YouTube link which helps with this issue:
https://www.youtube.com/watch?v=4H9VkBUfsHs . Is this your thermostat ESI? This might explain what you need. “main, th1, time/zone” they sound like menu’s TH1 would be my best guess as thermostat one is always programmed first, then the next one you will only have and option as TH2.
Updated on 15/10/25 by Ben_OVO
It's a pairing issue between the thermostat and the receiver. Go online and get the pairing process. It happens when the batteries are left flat, quite common.
Captainheatpump has also provided this handy YouTube link which helps with this issue:
https://www.youtube.com/watch?v=4H9VkBUfsHs . Is this your thermostat ESI? This might explain what you need. “main, th1, time/zone” they sound like menu’s TH1 would be my best guess as thermostat one is always programmed first, then the next one you will only have and option as TH2.
Hi, thank you for the answer 🙂 yes, i repaired it, but it doesnt allocate the wireless controller to room rc, so i cant change it from the main rc.
Sorry, I don't quite understand by Room RC. Have you got multiple remote frequency thermostats in your property? is it just a case of renaming the zone to suit the room? god, this chat does funny question marks…..
I have one wireless thermostat and at the remote sensor settings it doesnt show as an option, all i have is “main, th1, time/zone”
https://www.youtube.com/watch?v=4H9VkBUfsHs . Is this your thermostat ESI? This might explain what you need. “main, th1, time/zone” they sound like menu’s TH1 would be my best guess as thermostat one is always programmed first, then the next one you will only have and option as TH2.
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