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Mark3
Community Member
since ‎11-10-2021
‎11-12-2021

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Thermostat has no 12v supply

11-10-2021
My thermostat won't boot up and I have discovered that there is no 12v supply from T1 and T2 on the heat link. Heat link works fine otherwise and operates the boiler OK. What's happening and how do I fix it?