on keypad it say nvm?

Reboot with new battery.

zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

Alarm
August 2012

thought you had said kamikazi there mate :-) must rem my glasses

gts
August 2012

No doubt when you enter your code the system will go into a fault lockout, need the engineer in to reinitialise the system.

Possibly a crash and reprogramme, or a nvm replacement and reprogramme.

gts me think this guy is the one with the karizma :)

And welcome to the forum Aj :)

e manno
August 2012

make of panel would be good idea

gts
August 2012

memory chip fault.total power down and reboot.refit memory chip if fitted in a holder

A1
August 2012