Thermostat unresponsive after battery change

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After changing the batteries on the thermostat, the device makes no response to pressing the button. Has it failed or am I missing something?

Answers

  • NigelM
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    Thanks — I’ve tried both those and used three different sets of new batteries in case I bought duds.
  • NigelM
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    Any other suggestions gratefully accepted.
  • NigelM
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    Update - after six hours, it just started working again!
  • Chapstar37
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    Check your pins are straight, check you haven't disturbed any links or dil settings if you have an older one.