To pinpoint the exact failure, check the on your CNC screen: Diagnostic No. 200: Look for a "1" in these specific bits: Bit #4 (HCA): Abnormal current. Bit #5 (OVC): Overcurrent. Bit #6 (LV): Low voltage.
: If the alarm only occurs when the motor is connected, use a megohmmeter fanuc 414 servo alarm z axis detect error repack
The following post breaks down how to diagnose this error and what to look for when inspecting or "repacking" your axis components. Troubleshooting the Fanuc 414 Z-Axis Detect Error To pinpoint the exact failure, check the on
Abnormal current alarm (often a short circuit or faulty amplifier). To pinpoint the exact failure
The "detect error" disappeared because the signal path was restored.