This is where most installers get confused. Here is the standard layout:

Even with a perfect , problems arise. Here’s how to diagnose them.

Ensure the mounting location has enough space for the cooling fan to operate, as heat is a major cause of converter failure.

: Connects to the Positive (+) terminal of the RV battery.

| Terminal | Label | Typical Connection | |----------|-------|---------------------| | 12V | +12V DC Output | Power for photocells (sender/receiver) | | GND | Ground | Common negative for all accessories | | IR (Photo) | Photocell Input | Connect N/O contact of safety beam receiver | | O/S (Override/Stop) | Stop Input | Normally closed stop button | | PED | Pedestrian | Momentary switch for partial open | | START | Start/Open/Close | Pulse input (N/O push button or remote receiver) |

Using the , visually verify:

Never connect a solar panel directly to the CS 2000 board – the internal charger cannot handle unregulated voltage.