LinefixedFault-code library

Fuji Machinery FW3200 fault F38: VFD / inverter: Phase U to Gnd — meaning and fix

Independent resource, not affiliated with Fuji Machinery. Source: manufacturer documentation, p. 95.

What F38 means

Phase U to Gnd.

Likely causes, ranked

  1. Phase to ground fault between drive and motor in this phasemost likely

Quick checks

  • Check wiring between drive and motor

    Expected: Wiring good

  • Check motor for grounded phase

    Expected: No grounded phase

Fix

Replace drivelockout

  1. Replace drive if fault cannot be cleared

Safety

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

Related codes

  • F5 · OverVoltage
  • F7 · Motor Overload
  • F48 · Params Defaulted
  • F71 · Net Loss
  • F81 · Comm Loss
  • A.02 · Parameter failure

Every Fuji Machinery FW3200 fault code

Help the next technician

Log what fixed it

Thirty seconds: what cleared this code on your machine? Reviewed before it reaches anyone.

Put this on every machine

A QR code on each machine, cited fixes from the manual and your own plant's history, and a weekly report for the line. Ask for a demo.

Questions

What does F38 mean on a Fuji Machinery FW3200?
Phase U to Gnd.
What causes F38 on the Fuji Machinery FW3200?
Phase to ground fault between drive and motor in this phase (most likely).
How do I fix F38 on the Fuji Machinery FW3200?
First check: Check wiring between drive and motor (expected: Wiring good); Check motor for grounded phase (expected: No grounded phase). Replace drive: 1) Replace drive if fault cannot be cleared Lock out the machine first.
Is it safe to fix F38 myself?
Follow your site's lockout procedures before working on the machine. This page does not replace the manufacturer's service. At least one fix here needs the machine locked out and isolated first.

Independent resource, not affiliated with Fuji Machinery. Source: manufacturer documentation, p. 95. Structured paraphrase; no manual text is reproduced.