
MAINTENANCE
31 Dec 13 5-35
DE-7200VFDCentrifuge
ALARM AND FAULT MESSAGES
Cause Corrective Action
F9099 - Centrifuge Sensor I/O Cable Has Been Removed, Reconnect I/O Cable to Run
Centrifuge
Sensor cable is disconnected from
control cabinet receptacle
Plug in connector at upper left of cabinet, and then
re-start centrifuge.
VFD ALARM AND FAULT CROSS REFERENCES
In addition to alarm and fault messages that may appear on the operator control panel, in case of
equipment malfunction alarm and fault numbers may appear directly on the VFD screens. An
alarm is a condition that, if neglected, may stop the drive. A fault is a condition that stops the
drive.
The following tables list these alarm and fault numbers and the corresponding text. This
information is useful for operators and Derrick personnel to diagnose equipment malfunctions. To
expedite troubleshooting, record the code number before calling for service and then relay this
information to the service engineer.
1 Precharge Active 14 Load Loss 27 Speed Ref Cflct
2 UnderVoltage 15 Ground Warn 28 Ixo Vlt Rang
3 Power Loss 17 Dig In ConflictA 29 Sleep Config
4 Start At PowerUp 18 Dig In ConflictB 30 TB Man Ref Cflct
5 Analog In Loss 19 Dig In ConflictC 31 PTC Conflict
6 IntDBRes OvrHeat 20 BiPolar Conflict 32 Brake Slipped
8 Drive OL Level 1 21 Motor Type Cflct 33 AdjVoltRef Cflct
9 Drive OL Level 1 22 NP Hz Conflict 34 Home Not Set
10 Decel Inhibt 23 MaxFreq Conflict 49 Torq Prove Cflct
11 Waking 24 VHz Neg Slope 50 Prof Step Cflct
12 Motor Thermistor 25 IR Volts Range 52 PI Config Cflct
13 In Phase Loss 26 FluxAmpsRef Rang
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