The error can be traced back to one of four major categories:
If the basic restarts do not work, the issue likely stems from one of the following: Software Corruption
The "Waiting for Startup" message on a FANUC controller typically indicates that the system software is hanging during the boot sequence or is unable to establish communication between the main CPU and peripheral components . fanuc waiting for startup
The message on a FANUC system indicates that the controller is frozen or timed out during its internal initialization process. This often occurs when the system cannot complete its self-diagnostics or load essential software modules from memory. Common Fixes to Resolve the Freeze
: The controller is waiting for a signal from a component (like the Teach Pendant or a communication card) that is not responding. The error can be traced back to one
for your specific controller series (e.g., R-30iA or R-30iB). Are you seeing any specific numbers or letters on the 7-segment display on the main board? Waiting for startup – DIY-Robotics (Help Center)
To resolve the "Fanuc waiting for startup" issue, follow these step-by-step troubleshooting guides: Common Fixes to Resolve the Freeze : The
: Check for blown fuses (specifically the 1-amp fuse on the input module) or loose cables, including the teach pendant cable, which can cause loading hangs. DIY Robotics Diagnostic LED Codes 7-segment display on the main board behind the controller door: Two alternating blinks and two solid LEDs