LED Meaning

Description

Only the signal with the highest priority is displayed. The signals are listed in descending priority.

Balluff Standard

LED 1 (Operating State and Communication)
Name Signal Meaning
Failure Red, static General error
Communication Green, alternating with LED off in a ratio of 10:1, 1 s period IO-Link communication is active.
The device is ready.
Ready Green, static The device is ready.
Firmware Update Magenta, alternating with LED off in a ratio of 9:1, 1 s period Firmware update is in progress.
The LED indicates update activity.
LED 2 (Indication/Warning/Teach/Device Discovery)
Name Signal Meaning
Locator Blue, double blink (2×100 ms on, 100 ms pause), then 600 ms off – 1 s cycle The function Locator can be activated via a system command to find the device again.
Maintenance required Blue, static Perform a factory reset
Short Circuit Pin 2 / Pin 4 Red, flashing, 3 Hz Short circuit at pin 2 or pin 4
Teach-in Red, static The device is currently in teach-in mode.
Overload Orange, flashing, 3 Hz Overload on pin 2 / pin 4 has been detected.
Bad Signal Quality Orange, flashing, 1 Hz Poor signal quality, the signal quality is below the configured warning threshold.
Out of Specification Yellow, flashing, 3 Hz The device is operated outside of specifications. The measurement value is unknown due to an error or outside of the measurement range.
Function Display Yellow, static Switching point is active.