INVT Goodrive390L Series User Manual page 123

Goodrive390L Series Lift-Dedicated VFD
Fault
Fault type
code
CANopen
E31 communication
fault
To-ground
E32
short-circuit fault 1
To-ground
E33
short-circuit fault 2
Speed deviation
E34
fault
Mal-adjustment
E35
fault
E36 Electronic
202403 (V1.0）
Possible cause
Keypad cable too long,

causing
interference.
Data storage

occurred to the keypad.
Line contact is poor; the

matching resistor is not
switched
communication
rates do not match.
The peripheral

interference is too large.
The output of the VFD is

short circuited to the
ground.
There is a fault in the

current detection circuit.
The output of the VFD is

short circuited to the
ground.
There is a fault in the

current detection circuit.
The load is too heavy or

stalled.
Output phase

occurred in SM.
SM control parameters

are set incorrectly.
Autotuned parameters

are not accurate.
The VFD is not connected

to the motor.
The VFD reports underload Check
seek maintenance services.
strong Re-back up the data on the

keypad.
error
Check the lines and remove

the build-out resistor.
on;
Set the same baud rate.

baud
Check

environment, and eliminate
interference effects.
Check whether the motor

wiring is normal.
Replace the hall component.

Replace the main control

board.
Check whether the motor

wiring is normal.
Replace the hall component.

Replace the main control

board.
Check the load to ensure it is

proper, and increase the
detection time.
Check whether the control

loss parameters are set properly.
Check the output cable.

Check the motor supply and

cables.
Check the load and ensure

the load is normal.
Check

parameters are set correctly.
Increase the mal-adjustment

detection time.
the
Troubleshooting
Solution
the surrounding
whether control
load and the
115