Fuji Machinery FW3200 fault E61: Servo drive: Aux Feedback AQB — meaning and fix

Independent resource, not affiliated with Fuji Machinery. Source: manufacturer documentation, p. 99.

What E61 means

Aux Feedback AQB.

Shown as

  • Auxiliary encoder state error

Likely causes, ranked

  1. Auxiliary encoder encountered an illegal transitionmost likely

Quick checks

  • Check the system grounds

    Expected: Grounds good

Fix

Reduce noiselockout

  1. Use shielded cables with twisted pair wires
  2. Route feedback away from noise sources
  3. Replace the motor/encoder

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
  • E39 · Self Sense Fault
  • E43 · Drive Enable Fault

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 E61 mean on a Fuji Machinery FW3200?
Aux Feedback AQB. Shown as: Auxiliary encoder state error.
What causes E61 on the Fuji Machinery FW3200?
Auxiliary encoder encountered an illegal transition (most likely).
How do I fix E61 on the Fuji Machinery FW3200?
First check: Check the system grounds (expected: Grounds good). Reduce noise: 1) Use shielded cables with twisted pair wires 2) Route feedback away from noise sources 3) Replace the motor/encoder Lock out the machine first.
Is it safe to fix E61 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. 99. Structured paraphrase; no manual text is reproduced.