Operating instructions

MAINTENANCE
31 Dec 13 5-27
DE-7200VFDCentrifuge
ALARM AND FAULT MESSAGES
Cause Corrective Action
F1017 - Bowl VFD Drive OL Alarm, Ref Troubleshooting Section of User Manual
Feed rate causing overload Reduce feed rate or reduce bowl speed.
Bowl drive motor drawing excessive
current
Replace motor if defective.
F1021 - Bowl Motor Thermal Overload Check Bowl Motor Temperature and Thermistor
Bowl drive motor shut down due to high
temperature or defective thermistor in
motor winding
Check motor temperature. Allow motor to cool, and
then check for continuity across thermistor leads. If
open circuit is found, replace motor.
Bad connection(s) Check connections at TB2-7 and 8, at
transmitter/intrinsic barrier, and at conveyor VFD.
Correct as required. Replace motor if no defects are
found.
F2000 - Conveyor Clutch Tripped, Allow Centrifuge to Stop Completely, then Reset
Clutch
Conveyor torque has exceeded pre-set
limit causing clutch to trip
Allow bowl to come to a complete standstill, and then
reset clutch as described under Automatic Shutdown
in Section 4.
F2001 - Conveyor High Torque Alarm, Reduce Feed Rate
Conveyor torque exceeds pre-set limit Reduce feed rate and/or increase differential speed.
F2002 - Conveyor High Torque Fault and Shutdown, Perform Cleanout and Reduce Feed
Rate
Conveyor torque exceeds pre-set limit After bowl has stopped rotating, perform cleanout
procedure to remove solids buildup, and re-start
centrifuge at reduced feed rate and/or higher
differential speed.
F2010 - Conveyor VFD Communications Error
Communication lost between conveyor
VFD and PLC
Confirm that green LED next to Ethernet cable on
Ethernet switch is lighted, indicating that hub is
functional.
Check connections between conveyor VFD and
PLC, and correct any defects.
Replace conveyor VFD communication module, if no
other defect is found.
F2011 - Conveyor VFD Alarm, Ref Troubleshooting Section of User Manual
Conveyor VFD alarm Identify alarm from operator control panel. Perform
indicated corrective action.