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Gardner Denver
9 Faults and Warnings
29
9.4
Fault Numbers F000 .. F399 (VSD-
related)
Fault F000... F399 is triggered by the VSD.
Note
If any Fxxx number error appears other than those
listed in the table, contact Gardner Denver’s Technical
Support.
Fault Numbers F000 .. F399
Display
Possible Cause
Remedy
Fault VSD Fxxx
The frequency converter (VSD) detected a
fault with error number xxx that was not
subsequently listed.
Notify your local Gardner Denver
Technical Support.
Fault VSD F003
Fault VSD F004
The frequency converter (VSD) detected
undervoltage.
Check the power supply.
Check back-up fuses, renew if necessary.
Check main contactor (compressors with
PowerFlex 400 VSD only).
Check that all connecting terminals and
plugs are tight; retighten if necessary.
Fault VSD F007
The frequency converter (VSD) detected a
motor overload.
Notify your local Gardner Denver
Technical Support.
Fault VSD F008
Frequency converter (VSD)
overtemperature
Check filters of switch gear cabinet, and
renew if necessary.
Ensure that electric motor-driven switch
gear cabinet fans (if any) and frequency
converter fans are working correctly.
Check frequency converter for blockages
in the cooling air supply and dirty cooler
fins.
Fault VSD F017
The frequency converter (VSD) detected
an input phase loss.
Check the power supply.
Check back-up fuses, renew if necessary.
Check main contactor (only
compressors with PowerFlex 400
converter).
Check that all connecting terminals and
plugs are tight; retighten if necessary.
Fault VSD F021
The frequency converter (VSD) detected a
output phase loss.
Check wiring from VSD to motor.
Check that all connecting terminals and
plugs are tight; retighten if necessary.
Check motor winding.
Fault VSD F038 - 40
The frequency converter (VSD) detected
an earth fault at the output.
Check motor winding.
Carry out insulation test.
Fault VSD F041 - 46
The frequency converter (VSD) detected a
short-circuit at the output.
Check motor winding.
Carry out insulation test.
Fault VSD F064
Frequency converter (VSD) overload.
Notify your local Gardner Denver
Technical Support.
VS