INVT GD300L Series, Operation Manual, Page: 104 / 174

Goodrive300-LIFT series inverter Fault tracking
-100-
Code Fault Possible cause Solution

Corresponding resistor is
not dialed

The communication is
uneven
resistor

Set the same baud rate
ETH1
Grounding
shortcircuit fault 1

The output of the inverter
is short circuited with the
ground.

There is fault in the
current detection circuit.

Check if the connection of
the motor is normal or not

Change the Hoare

Change the main control
panel
ETH2
Grounding
shortcircuit fault 2

The output of the inverter
is short circuited with the
ground.

There is fault in the
current detection circuit.

Check if the connection of
the motor is normal or not

Change the Hoare
Change the main control
panel
dEu
Speed deviation
fault
The load is too heavy or
stalled.

Check the load and ensure
it is normal. Increase the
detection time.

Check whether the control
parameters are normal.
STo Maladjustment fault

The control parameters of
the synchronous motors
not set properly.

The autotune parameter
is not right.

The inverter is not
connected to the motor.

Check the load and ensure
it is normal.

Check whether the control
parameter is set properly or
not.

Increase the maladjustment
detection time.
LL
Electronic
underload fault
The inverter will report the
underload pre-alarm
according to the set
value.
Check the load and the
underload pre-alarm point.
ENC1O
Encoder
disconnection fault

Incorrect encoder wiring,
causes the failure to get
the encoder signal.

Incorrect encoder
parameter settings

Check the wiring.

Check encoder parameter
settings.