To reset after mains power disconected..
No mains-lamp illuminated..
No day-lamp illuminated..
Switch off mains..
Remove fuse on PCB installed to metal case
Replace fuse on PCB installed to metal case
Switch on mains..
Noise from keypad. tamper, day, and mains-lamps all lit..
Input user code then # (????#)
All fixed :o)
Mixc
January 2011