Applicable Systems
Pack 301

Symptoms

The packaging machine reports a servo following error. The servo motor actual position lags the command beyond the tolerance band.

Possible Causes

  • Servo gain parameters too low for the load
  • Excessive load or friction in the mechanism
  • Mechanical coupling backlash or looseness

Troubleshooting Steps

  1. Step 1: Increase servo position loop gain within stability limits
    Following error is within tolerance
  2. Step 2: Inspect the mechanism for binding or excessive friction
    Mechanism moves smoothly
  3. Step 3: Check and tighten mechanical couplings
    Couplings are tight with minimal backlash

How to Reset

To reset: Reduce the following error within tolerance, then clear the alarm.

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Source: Bosch Packaging Machine Manual, Bosch Packaging Technology

Category: Packaging