INVT Goodrive3000 Series Operation Manual page 145

Goodrive3000 series medium voltage VFD
Fault
Fault type
code
Fault occurred to the
ItE current detection
tE Motor autotuning fault
EEPROM read/write
EEP
PID feedback offline
PIDE
bCE Braking unit fault
END Running time reached
Electronic overload
OL3
PCE
communication error
Parameter upload
UPE
Parameter download
DNE
Long
interruption
Poor contact of the connector of control
board
Auxiliary power supply is damaged
Hall components are broken
circuit
Exception occurred to amplification
circuit.
The motor capacity does not match the
VFD capacity
Motor rated parameter is set improperly
The parameters gained from autotuning
deviate sharply from the standard
parameters
Autotuning timeout.
Error in reading or writing control
parameters
error
EEPROM is damaged.
PID feedback offline;
fault PID feedback source disappears.
Fault occurred to the brake circuit or the
braking pipe is damaged;
Resistance of the external braking
resistor is small.
The actual running time is longer than
the set time.
The VFD reports overload pre-alarm
fault according to the setting
Keypad cable connected improperly or
disconnected;
Keypad Keypad cable too long, causing strong
interference.
Keypad or mainboard communication
circuit error
Keypad cable connected improperly or
disconnected;
Keypad cable too long, causing strong
error interference.
Keypad or mainboard communication
circuit error
Keypad cable connected improperly or
disconnected;
error Keypad cable too long, causing strong
interference.
Possible cause
period of communication
-139-
Goodrive3000 inverter
Solution
ask for technical support.
Check the communication port
cable.
Check the connector
re-plug
Ask for technical support.
Ask for technical support.
Ask for technical support.
Change the VFD model
Set rated parameters based on
the motor nameplate
Empty the motor load and carry
out autotuning again
Check the motor wiring and
parameter setup
Press STOP/RST for reset or
ask for technical support.
Ask for technical support.
Check PID feedback signal
wires;
Check PID feedback source.
Check the braking unit, and
replace with new braking pipe;
Increase the brake resistance.
Ask the supplier to adjust the
preset running time.
Check the load and overload
pre-alarm threshold
Check the keypad cable to
determine whether a
occurs.
Check for and remove the
external interference source.
Replace the hardware and seek
maintenance services.
Check for and remove the
external interference source.
Replace the hardware and seek
maintenance services.
Replace the hardware and seek
maintenance services.
Check for and remove the
external interference source.
Replace the hardware and seek
maintenance services.
and
fault