Fanuc Starting System Software Please Wait ((new)) Jun 2026

Remove any , CompactFlash adapters, or USB drives from the front display panel. Disconnect external RS-232C serial communication cables.

A hardware short or component failure on any of these secondary cards can hold the system bus lines low, preventing the main CPU from completing its boot cycle. Power Supply Unit (PSU) Voltage Drops The CNC control requires stable direct current (DC) rails from the power supply. If the fanuc starting system software please wait

: In some cases, a hard fault like an emergency stop or being in an overtravel state can interfere with standard startup. Check the e-stop circuit and manually move the robot if it is against a hard stop. Remove any , CompactFlash adapters, or USB drives

: A damaged Teach Pendant (TP) or its communication cable can prevent the bootup. Try swapping with a known working cable or pendant to rule this out. Power Supply Unit (PSU) Voltage Drops The CNC

Use compressed air and a ESD-safe brush. Dust buildup increases operating temperature, accelerating flash memory degradation. Pay special attention to the FROM and SRAM modules—they run hot.

One minute passes. Then five. Then fifteen. The machine remains frozen in this limbo, neither fully operational nor completely dead. For any production manager or maintenance tech, this is a nightmare scenario. That single message represents costly downtime, missed deadlines, and mounting stress.