INVT Goodrive350 Series Operation Manual page 288

Goodrive350 IP55 High-ingress Protection Series VFD
Fault
Fault type
code
[29] PROFIBUS
E-DP
communication
timeout fault
[30] Ethernet card
E-NET communication
timeout fault
[31] CANopen
E-CAN
communication
timeout fault
[32] To-ground
ETH1 short-circuit fault
[33] To-ground
ETH2 short-circuit fault
[34] Speed
dEu
deviation fault
STo Mal-adjustment
Possible cause
strong interference.
Data storage error occurred to
the keypad.
No data transmission between
card
the communication card and the
host controller (or PLC).
There is no data transmission
between the communication
card and the host controller.
No data transmission between
card
the communication card and the
host controller (or PLC).
The output of the VFD is short
circuited to the ground.
Current detection circuit is
faulty.
1 Actual motor power setup
deviates sharply from the VFD
power.
The output of the VFD is short
circuited to the ground.
Current detection circuit is
faulty.
2 Actual motor power setup
deviates sharply from the VFD
power.
The load is too heavy or stalled.
Control parameters of the
[35] synchronous motor are set
improperly.
fault Autotuned parameters are not
accurate.
maintenance services.
Re-back up the data on the
keypad.
Check whether the
communication card wiring is
loose or dropped.
Check whether the
communication card wiring is
loose or dropped.
Check whether the
communication card wiring is
loose or dropped.
Check whether the motor wiring is
normal.
Replace the hall component.
Replace the main control board.
Reset the motor parameters
properly.
Check whether the motor wiring is
normal.
Replace the hall component.
Replace the main control board.
Reset the motor parameters
properly.
Check the load to ensure it is
proper, and increase the detection
time.
Check whether the control
parameters are set properly.
Check the load and ensure the
load is normal.
Check whether control
parameters are set correctly.
Increase the mal-adjustment
-270-
Troubleshooting
Solution