according to this link it says the LP also works with the with the 2gig go control panel.
Not compatible. You need ADC-IS-100-GC, or ADC-IS-200-GC (“GC” stands for “GoControl”, and 200 model is second generation with increased battery life, and ability to do background captures. The 100 model was notorious for poor battery life, and constant malfunction for loss of supervision/signaling)
Also, the wrong batteries are in sensor. They need to be lithium, not alkaline. for why, see: Image Sensor low batteries