MI SERIES
– Manual (v1.7)
Obelux Oy, Kutomotie 6 B, 00380 Helsinki FINLAND
© Obelux Oy 2017 Technical information in this document is subject to change without notice.
Page: 19(28)
7.4 Onboard LEDs
Status indication LEDS are located on the controller board. Some of the status indicators have three
operating states (off, lit and blinking).
Figure 9: Location of the status LEDs
Obelux MI series lights have five status LEDs on the controller board. These status LEDs are visible only
when service access hatch is open.
LED
Description
3.3V
Internal operating voltage (GREEN)
LED OFF: Power off
LED ON: Unit is powered on
12V
Internal operating voltage (GREEN)
LED OFF: Power off
LED ON: Unit is powered on
GPS
GPS fix
LED OFF: No GPS fix
LED FLASHING: Light GPS module has fix on GPS place and time. Light is not yet fully
synchronized.
LED ON: Light GPS module has fully resolved the UTC time. It may take several minutes
for the GPS module to receive the necessary data.
COM
Communication (GREEN)
LED OFF: Waiting for external signals
LED FLASHING: Master-slave communications occurring on the network
