Applicable Systems
Pack 301
Symptoms
The packaging machine reports a speed limit exceeded. The machine speed has exceeded the maximum safe operating range.
Possible Causes
- Speed reference signal spike or controller malfunction
- Inverter parameter setting incorrect
- Load suddenly reduced causing motor to overspeed
Troubleshooting Steps
- Step 1: Check the speed reference signal for stability
Signal is stable at the correct value - Step 2: Verify inverter maximum speed parameter setting
Parameter is set to the correct maximum - Step 3: Inspect the load condition for sudden changes
Load is consistent with the process
How to Reset
To reset: Restore normal speed, then reset the drive controller.
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Source: Bosch Packaging Machine Manual, Bosch Packaging Technology
Category: Packaging
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