Smartpack2 Touch User Manual |best| -

The controller automatically detects connected rectifiers.

If the screen is black but fans are spinning: The unit is in "Night mode" or the backlight has failed. Hold Select + Up button for 10 seconds to force a backlight reset. smartpack2 touch user manual

Green (OK), Yellow (Warning), and Red (Alarm). The controller automatically detects connected rectifiers

For more specific troubleshooting or wiring diagrams, you can download the full Smartpack2 Touch User's Guide (PDF) . smartpack2 touch user manual