Definition of Indicators
| Indicator type |
Color |
Status |
Meaning |
| PWR |
Green |
On |
The power supply works normally |
| Off |
Power supply does not work normally or the corresponding power supply is not loaded |
| RUN/STOP |
Green/Yellow/Red |
Green on |
The main controller is in RUN state and the user program is running. |
| Green flashing |
The user program area is empty or the user engineering is invalid |
| Yellow on |
The main controller is in STOP state and the user program is stopped |
| Yellow flashing |
The main controller is in the process of RTE upgrade |
| COM |
Green/Yellow |
Green flashing |
Serial port communication is sending and receiving data |
| Green off |
Serial port communication has no data receiving and sending |
| Yellow flashing |
Any network port is receiving and sending data |
| Yellow off |
Any network port has no data receiving and sending |
| Green and yellow alternately flashing |
Serial port and network port have data receiving and sending |
| HDD |
Blue |
Blue flashing |
HDD access or read/write operation in progress. |
| Off |
No HDD access or HDD not being accessed. |
Last modified: 2025-04-16
