Fagor alarm 3708: Maximum time to get into the in-position zone exceeded

What it means

The axis took longer than parameter INPOMAX allows to settle inside the in-position window the CNC uses to consider it stopped. This typically appears at end of positioning moves or before M/S functions that wait for INPOS.

Likely causes

• position gain (KV) too low or excessive following error at approach speed
• mechanical drag: binding ways, tight gibs, lack of lubrication
• drive not fully enabled or slow drive response
• INPOMAX set too tight for the axis dynamics

Replacement parts

We supply the following units for this alarm — tested, warranty-backed:

• AXD (DDS) servo drive module

  drive · Common cause

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