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Honeywell R6660D heating relay - red light stuck on

Discussion in 'Plumbing and Central Heating' started by ricstrr, 11 Oct 2018.

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  1. ricstrr

    ricstrr

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    Pressing and holding the button for 5 seconds, 15 seconds or longer does NOT cause it to flash to reset or enter teaching mode as per the manual. Help!
     
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  3. Dan Robinson

    Dan Robinson

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    It's fecked.
     
  4. ricstrr

    ricstrr

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    Thanks, figured as much. Annoying thing is that I got a guy to come replace it and the timer/programmer yesterday, but he decided to only replace the latter and didn't go near the thermostat, which is weird. I wasn't there in person to pester him about it tho. Got him coming again next week to finish the job.
     
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