INVT Goodrive390L Series User Manual page 121

Goodrive390L Series Lift-Dedicated VFD
Fault
Fault type
code
side
Phase loss on
E14
output side
Rectifier module
E15
overheating
Inverter module
E16
overheat
E17 External fault
RS485
E18 communication
fault
Current detection
E19
fault
Motor autotuning
E20
fault
202403 (V1.0）
Possible cause
fluctuation occurred
input R, S, T.
Phase loss output occurs to
U, V, W (or the three phases
of the load are seriously
asymmetrical).
Air duct is blocked or fan

is damaged.
Ambient temperature too

high.
Long-time

running.
SI external faulty
terminal action.
Improper baud rate.

Communication

fault.
Incorrect communication

address.
Communication

from strong interference.
Poor contact

connector of
board.
The Hall component is

damaged.
Exception occurred

amplification circuit.
The motor capacity does

not match the
capacity.
Motor parameter is set

improperly.
Autotuned parameter

settings deviate sharply
from the standard ones.
on Check the installation wiring.

Check the output wiring.

Check the motor and cables.

Ventilate the air duct or

replace the fan.
Lower

overload temperature.
input
Check external device input.
Set proper baud rate.

Check the communication

line
port wiring.
Set

communication address.
Change or replace the wire or

suffers
improve the anti-interference
capability.
of the
control Check the connector and

re-plug.
Replace the hall component.

Replace the main control

to board.
Change the VFD model.

VFD Set proper motor type and

nameplate parameters.
Empty the motor load and
carry out autotuning again.
Check

parameter settings.
Ensure that the frequency

Troubleshooting
Solution
the ambient
the proper
motor wiring and
113