Applicable Systems
Allrounder

Symptoms

The motor overload protection has activated. Equipment operation is halted to prevent motor damage.

Possible Causes

  • Motor running beyond rated current
  • Mechanical friction or binding increasing load
  • Inadequate cooling under current operating conditions

Troubleshooting Steps

  1. Step 1: Check motor current against nameplate rating
    Current reading matches or is below rated value
  2. Step 2: Inspect mechanical components for excessive friction or binding
    No binding or excessive friction found
  3. Step 3: Verify cooling system capacity and airflow
    Cooling system delivers adequate heat removal

How to Reset

To reset: Resolve the overload root cause, then reset the overload relay and restart the equipment.

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Source: Arburg Allrounder Manual, Arburg GmbH + Co KG

Category: Injection Molding