12 Option -JC24X
110 Jetter AG
The present status of the LED can be queried from register 10182.
LED - OS Booting Sequence
No. LED
ERR1 = red
RUN =
green
Description
1 red Boot loader is checking the validity of the program
loader
2 red, green Program loader is copied from flash memory to RAM
3 both are OFF The program loader is launched in the RAM
4 red Program loader is checking the validity of the OS
5 red, green The OS is unzipped and copied to RAM
6 both are OFF The OS is launched in the RAM
7 red Initialization of the OS is started
8a green, flashing Mode selector set to STOP
OS is okay, but application program is halted
8b green, flashing;
increased
flashing rate
Mode selector set to RUN
OS is okay, startup delay (register 2032) is elapsing,
application program is being checked
9 Mode selector set to RUN
red, flashing OS is okay, but there is no valid application program to
be executed
green, lit OS is okay, application program is being executed
LED - Error Messages
After switching on, both LEDs, red
(ERR1) and green (RUN) are flashing
simultaneously.
The mode selector is in LOAD position.
Boot loader is running.
OS will not be checked and launched.
After switching on, red (ERR1) flashes
three times; after this, both LEDs, red
(ERR1) and green (RUN) are flashing
simultaneously.
The mode selector is in RUN or STOP
position.
Boot loader is running.
There is no valid OS.
The red LED (ERR1) and the green
LED (RUN) are flashing alternately
during runtime.
Serious OS error
The red LED (ERR1) is lit during
runtime of the operating system.
Error:
Error description in register 2008.
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