LinefixedFault-code library

Fuji Machinery FW3200 fault E39: Servo drive: Self Sense Fault — meaning and fix

Independent resource, not affiliated with Fuji Machinery. Source: manufacturer documentation, p. 98.

What E39 means

Self Sense Fault.

Shown as

  • Self-sensing commutation startup error

Likely causes, ranked

  1. Motion needed for self-sensing startup was obstructedmost likely

Quick checks

  • Verify no impediments to motion at startup, such as hard limits

    Expected: No impediments

  • Check motor or encoder wiring using wiring diagnostics

    Expected: Wiring good

Fix

Raise current

  1. Increase self-sensing current if high friction or load

Safety

Follow your site's lockout procedures before working on the machine. This page does not replace the manufacturer's service.

Related codes

  • E04 · Motor Overtemp
  • E05 · Drive Overcurrent (Power Fault)
  • E36 · Drive Overtemp (System Overtemperature)
  • E37 · Power Phase Loss
  • E43 · Drive Enable Fault
  • E61 · Aux Feedback AQB

Every Fuji Machinery FW3200 fault code

Help the next technician

Log what fixed it

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Put this on every machine

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Questions

What does E39 mean on a Fuji Machinery FW3200?
Self Sense Fault. Shown as: Self-sensing commutation startup error.
What causes E39 on the Fuji Machinery FW3200?
Motion needed for self-sensing startup was obstructed (most likely).
How do I fix E39 on the Fuji Machinery FW3200?
First check: Verify no impediments to motion at startup, such as hard limits (expected: No impediments); Check motor or encoder wiring using wiring diagnostics (expected: Wiring good). Raise current: 1) Increase self-sensing current if high friction or load
Is it safe to fix E39 myself?
Follow your site's lockout procedures before working on the machine. This page does not replace the manufacturer's service.

Independent resource, not affiliated with Fuji Machinery. Source: manufacturer documentation, p. 98. Structured paraphrase; no manual text is reproduced.