15 |
P a g e
S1 and S2 Indicator Light Function
FMGuard has 2 indicator lights which shows the status and possible errors of the device.
Different blinking pattern is listed below as for your reference.
S1: System LED1 Pattern Overview
Pattern
Description
Fast 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
The device has been forced to recovery mode with the
use of the system switch. The application is not executing.
500ms On / 500ms Off, green
The device is on RUN mode.
1.5s On / 0.5 Off, green
The device is on RUN mode while charging the internal
back-up battery.
Fast Blinking, red
Runtime Error.
Alternating Fast/Slow, red
The device lost its firmware. This can only happen if, during
the firmware upgrade, FMGuard loses power or
communication is lost completely.
75ms On / 925ms Off, green
Execution speed is different from full-speed.
On yellow (All other LED’s Off)
The device is booting, system initializing.
Table 3.5: S1 LED Pattern