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    has powercut affected central heating system controls?

    Thanks. That at least explains the green and red LEDs. But the red LED is neither flashing continously, or on continuously. Looks like I'll have to watch it for 5 minutes to see if it flashes for 7 seconds, like it says there... I've just done the trick of turning it down to see if it...
  2. A

    has powercut affected central heating system controls?

    Hi all, I've been recommended to ask this here. I'll give all the info I can, but it's not my heating system, I'm keeping an eye on the house for a friend. I don't have central heating myself, so it's a bit alien to me! I've tried looking in the instruction booklet, but it seems to be all to...
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