LinefixedFault-code library

Fuji Machinery FW3200 fault E04: Servo drive: Motor Overtemp — meaning and fix

Independent resource, not affiliated with Fuji Machinery. Source: manufacturer documentation, p. 97.

What E04 means

Motor Overtemp.

Shown as

  • Motor thermal switch tripped

Likely causes, ranked

  1. High motor ambient temperature and/or excessive currentmost likely
  2. Motor wiring errorlikely
  3. Incorrect motor selectionlikely

Quick checks

  • Check motor wiring at MF connector on the IAM/AM

    Expected: Wiring correct

  • Verify the proper motor has been selected

    Expected: Correct motor

Fix

Reduce thermal loadlockout

  1. Operate within continuous torque rating for ambient temperature (40°C max)
  2. Lower ambient temperature, increase motor cooling

Safety

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

Related codes

  • E05 · Drive Overcurrent (Power Fault)
  • E36 · Drive Overtemp (System Overtemperature)
  • E37 · Power Phase Loss
  • E39 · Self Sense Fault
  • E43 · Drive Enable Fault
  • E61 · Aux Feedback AQB

Every Fuji Machinery FW3200 fault code

Help the next technician

Log what fixed it

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Put this on every machine

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Questions

What does E04 mean on a Fuji Machinery FW3200?
Motor Overtemp. Shown as: Motor thermal switch tripped.
What causes E04 on the Fuji Machinery FW3200?
High motor ambient temperature and/or excessive current (most likely); Motor wiring error (likely); Incorrect motor selection (likely).
How do I fix E04 on the Fuji Machinery FW3200?
First check: Check motor wiring at MF connector on the IAM/AM (expected: Wiring correct); Verify the proper motor has been selected (expected: Correct motor). Reduce thermal load: 1) Operate within continuous torque rating for ambient temperature (40°C max) 2) Lower ambient temperature, increase motor cooling Lock out the machine first.
Is it safe to fix E04 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. 97. Structured paraphrase; no manual text is reproduced.