INVT GD20-7R5G-4-EU

Goodrive20-EU series VFD Fault tracking
110
Fault
code
Fault type
Possible cause
Solutions
UPE
Parameter
upload error
The keypad is not in good
connection or offline;
The keypad cable is too long
and there is strong interference;
Part of the communication
circuits of the keypad or main
board have fault
Check the environment and
eliminate the interference
source;
Replace the hardware and ask
for maintenance service;
Change hardware and ask for
maintenance service
DNE
Parameter
download error
The keypad is not in good
connection or offline;
The keypad cable is too long
and there is strong interference;
Data storage error in keypad
Check the environment and
eliminate the interference
source;
Replace the hardware and ask
for maintenance service;
Backup data in the keypad
again
ETH1
Grounding
shortcut fault 1
The output of the VFD is short
circuited to the ground;
There is fault in the current
detection circuit;
There is a great difference
between the actual motor power
setting and the VFD power
Check if the connection of the
motor is normal or not;
Replace the hall;
Replace the main control panel;
Reset motor parameters and
ensure those parameters are
correct;
Check whether motor power
parameters in P2 group are
consistent with the motor power
actually used
ETH2
Grounding
shortcut fault 2
LL
Electronic
underload fault
The VFD will report the
underload pre-alarm according
to the set value.
Check the load and the
underload pre-alarm point.
STO
Safe torque off
STO function operates normally
STL1
Channel H1
abnormal
Fault or internal hardware circuit
fault occurred to H1 channel
Replace STO switch; if problem
persists after replacement,
contact the manufacturer.
STL2
Channel H2
abnormal
Fault or internal hardware circuit
fault occurred to H2 channel
STL3
Internal circuit
abnormal
Fault or internal hardware circuit
fault occurred to H1 and H2
channels simultaneously