Hello,
We have for over 20 years on one of our devices LAUER PCS 950 panel, connected to the PLC S5-115U.
2 days ago after switching on the power supply,the panel failed, and a message is displayed on it:
"INVALID CHECKSUM OF FIRMWARE CPU 1"
What does it mean and how to fix it ???
We have for over 20 years on one of our devices LAUER PCS 950 panel, connected to the PLC S5-115U.
2 days ago after switching on the power supply,the panel failed, and a message is displayed on it:
"INVALID CHECKSUM OF FIRMWARE CPU 1"
What does it mean and how to fix it ???