1.2.
LED Indicators
LED Positions
The NFR2000/NFR2001 frame has 4 LEDs: 1 for each power supply and 2 on the front plate. In the image
below, the PSU LEDs are indicated in red and the Front LEDs are in green:
The above image illustrates the broadcast version of the NFR2000/NFR2001 frame. On the
datacenter version, front-plate LEDs (in green) are also present on the unit, but the PSU LEDs
are on the back.
LED Functions
The following tables explain the meanings of the various indicators.
PSU LEDs
Description
Green constant
Power present, controlled, no errors
Green blinking
Power present, not controlled, no errors
Red constant
No power present or AC/DC (NFR2000) / DC/DC (NFR2001) converter defect,
controlled internal communication error.
Red blinking
No power present or AC/DC (NFR2000) / DC/DC (NFR2001) converter defect,
or uncontrolled / fan error
Orange constant
Fan override, controlled
Orange blinking
Fan override, not controlled
Front Plate LEDs
Description
Green constant
Application running
Green blinking
No application present, updating
Orange constant
Booting
Orange blinking
Warning, see menu for cause
Red blinking
Error, see menu for cause
Green fast-blinking
"Where am I?" function, manually triggered in the settings
4
| February 2022 | Issue 4.9.C
