on some models) while turning on the power to enter the Boot Monitor. Restore from Image Backup
Is the message actually frozen, or is the screen frozen? fanuc starting system software please wait
Power cycle again. If the control boots, one of those devices was causing a boot conflict. Re-introduce them one by one to find the culprit. on some models) while turning on the power
When a FANUC robot teach pendant gets stuck on the screen, it indicates that the controller is failing to complete the startup sequence, often stalling between the initial hardware boot and the software loading phase. This issue is commonly related to corrupted software, memory faults, or hardware failures in the controller cabinet. If the control boots, one of those devices
Sometimes, after a controlled shutdown or a battery replacement, the system performs a memory check which can take longer than usual. Wait at least 5 minutes to ensure it isn't just a slow boot.
| Condition | Typical Wait Time | |-----------|-------------------| | Cold start, standard program memory | 30–90 seconds | | Cold start, large part program storage (SRAM/CF card) | 1–3 minutes | | After power loss without proper shutdown | 2–4 minutes (file system check) | | Battery alarm (low backup battery) | 2–5 minutes (possible data recovery attempt) | | – endless loop or freeze | > 10 minutes, or cycles back to same message |