Originally Posted by jfguenet
Ok guys you were right my switch under the fridge was the problem for my lights...so one problem solved
But the CO2 detector there is still no lights on...Anyone know what to do thanks all
Check to see if it operates by pressing the test button on the CO2 detector itself. If it does you will know you have 12v to it and maybe a defective LED (highly unlikely). If you do have a defective LED, I would replace it as you don't want to be guessing if it's working.