CPU 03 3 Product Description
HI 800 479 E Rev. 1.00 Page 15 of 38
3.4.3.2 Program Light Emitting Diodes
While the controller is being booted, all LEDs are lit simultaneously.
LED Color Status Description
On
The controller is in the RUN state. The user program is in the RUN
or FREEZE state.
Blinking1
The controller is in the OPERATE state.
A new operating system is being loaded.
RUN Green
Off Controller is in none of the states described.
On Controller in the STOP / VALID CONFIGURATION state
Blinking1
Controller in the STOP / INVALID CONFIGURATION state
A new operating system is being loaded.
STOP Red
Off Controller is in none of the states described.
On
The controller is being loaded with a new configuration.
WDT or FTT change
Check for duplicate IP address
SRS change
Blinking1
Reload is being performed
A duplicate IP address was detected.
1)
Profinet has received an identify request.
1)
PROG Yellow
Off None of the described events occurred.
On
Forcing prepared: Force switch of a variable is set, the force mais
switch is still deactivated. The controller is in the RUN or STOP
state.
Blinking1
Forcing is active: At least one local or global variable has
adopted the corresponding force value.
A duplicate IP address was detected.
1)
Profinet has received an identify request.
1)
FORCE Yellow
Off None of the described events occurred.
Blinking1
The new operating system is corrupted (after OS download).
Fault while loading a new operating system
The loaded configuration is defective.
One or multiple I/O faults occurred.
A duplicate IP address was detected.
1)
Profinet has received an identify request.
1)
FAULT Yellow
Off None of the described faults occurred.
Blinking1
Operating system emergency loader active.
A duplicate IP address was detected.
1)
Profinet has received an identify request.
1)
OSL Yellow
Off None of the described events occurred.
Blinking1
OS and OLS binary defective or INIT_FAIL hardware fault.
Fault in the external process data communication
A duplicate IP address was detected.
Profinet has received an identify request.
1)
BL Yellow
Off None of the described events occurred.
1)
If all the LEDs PROG, FORCE, FAULT, OSL and BL are blinking simultaneously.
Table 6: Program Light Emitting Diodes
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