Contamination in the Z-axis motor connectors or cables is a common culprit for short circuits.
: For a deeper look, experts check Diagnostic Parameters 200 and 204 . fanuc 414 servo alarm z axis detect error repack
. For example, a "1" in the OVC (Overcurrent) bit confirms a high-current condition. Amplifier Display: Contamination in the Z-axis motor connectors or cables
