Fuji Machinery FW3200 fault *******BRUSH ERROR: Touch panel: Unstable sealer thermocouple signal — meaning and fix

Independent resource, not affiliated with Fuji Machinery. Source: manufacturer documentation, p. 86.

What *******BRUSH ERROR means

Unstable sealer thermocouple signal.

Shown as

  • Alarm shown on touch panel

Likely causes, ranked

  1. The thermocouple signal that reports sealer temperature is unstablemost likely

Fix

Clean slip ringslockout

  1. Clean the slip rings

Safety

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

Related codes

  • INVERT ERROR · Infeed conveyor inverter or motor error
  • REGI-MARK/SENS. ERROR · Regi-marks not detected in set operation
  • A.02 · Parameter failure
  • A.03 · Main circuit detection failure
  • A.04 · Parameter out of range
  • A.05 · Motor and servopack mismatch

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 *******BRUSH ERROR mean on a Fuji Machinery FW3200?
Unstable sealer thermocouple signal. Shown as: Alarm shown on touch panel.
What causes *******BRUSH ERROR on the Fuji Machinery FW3200?
The thermocouple signal that reports sealer temperature is unstable (most likely).
How do I fix *******BRUSH ERROR on the Fuji Machinery FW3200?
Clean slip rings: 1) Clean the slip rings Lock out the machine first.
Is it safe to fix *******BRUSH ERROR 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. 86. Structured paraphrase; no manual text is reproduced.