MAINTENANCE
31 Dec 13 5-25
DE-7200VFDCentrifuge
Figure 5-13. Air Conditioner Electrical Components Locations
ALARM AND FAULT MESSAGES
Intervention is required if a control panel message appears to alert the operator that an anomaly
has occurred. Alarm messages signify that the prevailing condition must be corrected or the
centrifuge may be shut down automatically. Fault messages inform the operator that a failure
requiring automatic shutdown has occurred. Refer to the following table for alarm and fault
messages and their causes and corrective actions for assistance in analyzing messages.
ALARM AND FAULT MESSAGES
Cause Corrective Action
F1000 - Bowl Exceeded Maximum Speed, Shutdown
Incorrect or loose connection at speed
sensor or defective speed sensor
Check speed sensor connection (refer to Section 3).
Replace sensor if defective.
Bowl VFD malfunction
If problem persists, contact Derrick Service for
assistance.
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