You cannot fix a problem you do not understand. Here are the six primary reasons for this alarm, ranked by probability.
Disconnect the Z-axis motor power leads (U, V, W) from the amplifier. fanuc 414 servo alarm z axis detect error repack
When a technician performs a re-pack, the system is disturbed. The following scenarios are the most common causes of a 414 alarm post-re-pack: You cannot fix a problem you do not understand
: Insulation breakdown in the servo motor or power cables (U, V, W leads), often caused by coolant ingress into connectors. fanuc 414 servo alarm z axis detect error repack