LinefixedFault-code library

Fuji Machinery FW3200 fault F5: VFD / inverter: OverVoltage — meaning and fix

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

What F5 means

OverVoltage.

Likely causes, ranked

  1. DC bus voltage exceeded maximummost likely
  2. Motor regenerationlikely

Quick checks

  • Monitor AC line for high voltage or transients

    Expected: Line voltage normal

Fix

Handle regeneration overvoltagelockout

  1. Extend the decel time or install the dynamic brake option

Safety

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

Related codes

  • F7 · Motor Overload
  • F38 · Phase U to Gnd
  • 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

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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 F5 mean on a Fuji Machinery FW3200?
OverVoltage.
What causes F5 on the Fuji Machinery FW3200?
DC bus voltage exceeded maximum (most likely); Motor regeneration (likely).
How do I fix F5 on the Fuji Machinery FW3200?
First check: Monitor AC line for high voltage or transients (expected: Line voltage normal). Handle regeneration overvoltage: 1) Extend the decel time or install the dynamic brake option Lock out the machine first.
Is it safe to fix F5 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.