Fanuc Starting System Software Please Wait Best Jun 2026

Think of it like a car that turns over but never starts. The battery has power, the starter motor spins, but the engine won't catch because there is no fuel, no spark, or a broken timing chain.

When you power on a FANUC control, it performs a self-test (POST). The message "Starting System Software Please Wait" means the CPU has initialized, but it is currently trying to load the CNC system software (like Series 16i, 18i, 21i, 30i, 31i, or 32i) into memory. fanuc starting system software please wait

Look for numbers or letters (e.g., 1 , 8 , F , L ). A normal boot usually counts up and goes blank or shows a specific ready status. A frozen letter or number indicates exactly where the hardware initialization failed. Think of it like a car that turns over but never starts