Alien DVR 654K - cannot stop beeping following power cut in CCTV & Access Control Posted October 21, 2020 We have power cycled the DVR turned off for 10 mins and 2 hours, still beeps when switched back on.
Alien DVR 654K - cannot stop beeping following power cut
in CCTV & Access Control
Posted
We have power cycled the DVR turned off for 10 mins and 2 hours, still beeps when switched back on.