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  1. C

    Yale 6400 its a mystery

    Next chapter.... Got up this morning and the alarm is working perfectly. It was doing some strange things yesterday saying "wrist band" when trying again to "learn". We have checked everything "learned" all including remote keypads - all ok. Any ideas? All electrical equipment is on. Not sure if...
  2. C

    Yale 6400 its a mystery

    Value your help. We have been at this all day now, thought we had it working then it went off, used tin foil to shield worked for a time then off. All pointing to something interferring but who knows what? I'll keep you posted how we go on at the moment it is as much use as a chocolate fire...
  3. C

    Yale 6400 its a mystery

    Yes, we have turned all power off, perhaps need to try this again. We don't have any Wifi extenders. As the control panel can be used from the garage it does sound as though it is electromagnetic radiation but at a loss as to what. Could this happen with something we have had for some time (4...
  4. C

    Yale 6400 its a mystery

    Thanks but no joy
  5. C

    Yale 6400 its a mystery

    Our neighbours are a far distance away enough to not interfer. The houses close to us are empty. No smart meters fitted either side or here. Everything has been turned off except the consumer unit, tried it nothing at all. Changed the mains adaptor, did that first. There is nothing different...
  6. C

    Yale 6400 its a mystery

    Hello, can anyone help me with this puzzle. I have the Yale 6400 and the alarm worked perfectly last week then all of a sudden the key fob didn't work thought it was the batteries and replaced them, still didn't work. Went into the alarm box system deleted the key fob and tried to re-learn but...
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