The following tables describe the meanings of the LEDs on the 1600 W DC power supply (part number XN-DCPWR-1600W-F).
The LEDs are located on the end of the power supply unit, arranged vertically to the left of the terminal block.
| Label and Color | Description | State | Meaning | 
|---|---|---|---|
| !  Amber  | 
                            Fault Indicator | On (Solid) | PSU fault | 
| Off | No PSU fault | ||
| OUT OK (Green)  | 
                            DC output Good | On (solid) | DC output OK | 
| Off or Blinking | 
                                 DC output fail  | 
                        ||
| IN OK (Green)  | 
                            DC input Good "IN OK" | On | DC input OK | 
| Off | DC input fail |