No green light in optima XM burglar alarm?

Though I put new battery and fuses,no green light.Why?
Jasvant, November 2019


done
Assuming the cover is back on, (green light won't light until cover replaced and reset pressed) remove battery and power up on mains only to see if that helps.

Rupert, November 2019
link Click here to see other fixes for Optima XM.