If your machine uses hydraulic clamps (common on B-axes or pallet changers), the pressure might have dropped slightly below the threshold while the machine was sitting idle.
(Serial Communication Error) which often point to broader electrical issues. Verify Parameters: fanuc 7115 alarm
: A comprehensive guide for interpreting various CNC faults. CNC Cookbook's Fanuc Alarm Code Guide If your machine uses hydraulic clamps (common on
: Inspect the Ethernet cable plugged into the robot's CD38A or CD38B port. Ensure the link lights on the port and the network switch are active. Verify I/O Sizes : fanuc 7115 alarm
: Offers strategies for diagnosing codes and using G-code simulators to rule out program errors. CNC Spares Fanuc Alarm Blog