Fanuc 7115 Alarm

Technical Report: FANUC Alarm 7115

1. Overview

| Attribute | Detail | | :--- | :--- | | Alarm Number | 7115 | | Alarm Message (Typical) | 7115 DISTANCE REF. POINT RETURN DIRECTION ERROR | | Appears On | FANUC Series 0i, 30i/31i/32i, 16i/18i/21i, Power Motion i, Robodrill, Robocut, Robonano | | Alarm Type | Servo / Axis Configuration Alarm | | Stop Type | Emergency Stop / Servo Disable (SV OFF) |

Alarm 7115: PGM NO. READY (NO PGM)

: Failure of the spindle switching contactors to activate or provide feedback to the CNC system during a gear change or power-up sequence. Common Causes Power Supply Issues fanuc 7115 alarm

3. The "Ghost" Drift

If the servo motors are old or wearing out, they might drift slightly even when powered off. If the axis drifts into a hard surface while the clamp is supposed to be holding it, the control sees a discrepancy between where the axis should be and where the clamp sensor says it is. Technical Report: FANUC Alarm 7115 1