
MAINTENANCE
31 Dec 13 5-31
DE-7200VFDCentrifuge
ALARM AND FAULT MESSAGES
Cause Corrective Action
F4003 - Liquid End Main Bearing High Temperature Alarm
Incorrect or loose connection at
temperature sensor
If reading is constantly about 392°F (200°C), check
and correct connection (refer to Section 3 and
electrical schematic diagram in Section 8).
Insufficient bearing lubrication Lubricate bearings (refer to Preventive
Maintenance).
Excess grease Remove grease fitting, and direct jet of filtered
compressed air into opening to remove grease.
Incorrect grease Lubricate with recommended grease (refer to
Preventive Maintenance).
Defective bearing Contact Derrick Service department for assistance.
F4004 - Liquid End Main Bearing High Temperature Fault and Shutdown
Insufficient bearing lubrication Lubricate bearings (refer to Preventive
Maintenance).
Excess grease Remove grease fitting, and direct jet of filtered
compressed air into opening to remove grease.
Incorrect grease Lubricate with recommended grease (refer to
Preventive Maintenance).
Defective bearing Contact Derrick Service department for assistance.
F4005 - Solid End Main Bearing High Temperature Alarm
Incorrect or loose connection at
temperature sensor
If reading is constantly about 392°F (200°C), check
and correct connection (refer to electrical schematic
diagram in Section 8).
Insufficient bearing lubrication Lubricate bearings (refer to Preventive
Maintenance).
Excess grease Remove grease fitting, and direct jet of filtered
compressed air into opening to remove grease.
Incorrect grease Lubricate with recommended grease (refer to
Preventive Maintenance).
Defective bearing Replace rotating assembly (refer to Rotating
Assembly Maintenance).
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