"Harry Bloomfield" wrote in message
...
charles laid this down on his screen :
mmm. But if the power failure has caused the garage circuit breaker to
trip
- then what?

Not just that, but my processor run door control has crashed a few times
since I installed it. I have a keypad protected small door as well, but
that also uses a processor and has crashed a few times. Not such a problem
I can gain entry to the later via a normal mechanical Yale key as backup.

you just can't trust anything DIGITAL ........