Status LEDs

LED Description
POWER (green)
Off Unit is off.
On Unit is on and ready. This state is preceded by a flashing sequence of all LEDs indicating that the system is loaded.
4 Hz Unit is shutting down, rebooting or updating firmware.
2 Hz Unit is responding to a Flash LED command. For more information, see Hardware.
RUN (yellow)
Off No test run is in progress.
On After power supply is disconnected, backup capacitors hold a charge. Opening the CPU before the LED is off may result in damage.
0.5 Hz Test Setup task running.
1 Hz Backup capacitors are charging from the connected power supply while CPU is switched off.
1 Hz Remote control is enabled, but no Test run is in progress (with solid green LED for CPU on).
8 Hz Test run is in progress.
ERROR (red)
Off No error.
On Unit error. View the System logs for information on the error. Purge the whole log to turn off the ERROR (red) LED.
1 Hz Low storage (less than 2 MB of storage remain).

† Previous state or state dependent

‡ Sequence with other LEDs