LinefixedFault-code library

Fuji Machinery FW3200 fault A.91: Servo drive: Overload warning — meaning and fix

Independent resource, not affiliated with Fuji Machinery. Source: manufacturer documentation, p. 148.

What A.91 means

Overload warning.

Shown as

  • A.91 shown; wrapper keeps running

Likely causes, ranked

  1. Load approaching levels that trigger A.71 or A.72most likely

Is there a fix in the documentation?

The manufacturer's documentation lists this alarm and its meaning but gives no remedy.

Note the alarm and anything shown on the drive display, clear it as the documentation describes, and contact the manufacturer's service desk if it returns.

Safety

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

Related codes

  • A.02 · Parameter failure
  • A.03 · Main circuit detection failure
  • A.04 · Parameter out of range
  • A.05 · Motor and servopack mismatch
  • A.7A · Heat sink overheat
  • A.10 · Over current

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 A.91 mean on a Fuji Machinery FW3200?
Overload warning. Shown as: A.91 shown; wrapper keeps running.
What causes A.91 on the Fuji Machinery FW3200?
Load approaching levels that trigger A.71 or A.72 (most likely).
Is there a fix for A.91 in the manual?
The manufacturer's documentation lists this alarm and its meaning but gives no remedy. Note the alarm and anything shown on the drive display, clear it as the documentation describes, and contact the manufacturer's service desk if it returns.
Is it safe to fix A.91 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. 148. Structured paraphrase; no manual text is reproduced.