RTCU NX-200 Technical Manual V1.00
Advanced Automotive M2MI/IoT Gateway
Logic IO ApS.
Ph: (+45) 7625 0210
Holmboes Allé 14
Fax: (+45) 7625 0211
8700 Horsens
Page 28 of 45
Email: [email protected]
Denmark
System LED S1 and S2
The RTCU is equipped with two sy
stem LED’s
, which shows the status and possible errors of the
RTCU device.
The different patterns are listed in the table below. If the color of the system LED S1 is yellow, the
device is actively communicating with the RTCU IDE (or another program, supporting the RTCU
RACP protocol).
The LED S2 is signaling either the cellular
module activity or if all other LED’s are off
, that the
RTCU is in the “wait for event” low power state.
S1: System LED1 pattern overview
Pattern
Description
Fastest blinking, green
The device is initializing, preparing to start the application.
Fast blinking, green
S2 On, green
The device is installing an update. Depending on the kind of
update, it may take some time. The progress can also be
observed on the display.
Fast blinking, green
1
The device has been forced into recovery mode with the use
of the system switch. The application is not executing.
500ms On / 500ms Off green
The device is executing the application program
1.5s On / 0.5s Off. green
The device is executing the application program, while
charging the internal back-up battery.
Fast blinking, red
A runtime error has been detected in the program.
Use the RTCU IDE to obtain the fault log.
Alternating Fast/Slow, red
The device has lost its firmware! This can only happen if,
during a firmware upgrade, the RTCU device loses power or
the communication is lost completely. In this case, simply
upload the firmware to the device again.
75ms On / 925ms Off, green
Execution speed is different from full-speed.
On yellow (and all other LEDs
OFF)
The device is booting, initializing the system
3 Or yellow when communicating with the RTCU IDE or another program, supporting the RTCU RACP protocol).
