INVT Goodrive20-EU VFD Series, Руководство по эксплуатации

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Goodrive20-EU Series VFD Fault tracking
-109-
Fault
code
Fault type Possible cause Solutions
OH2
[16] Inverter
module
overheat
temperature;

Check and reconnect;

Change the power;

Change the power unit;

Change the main control
panel.
EF
[17] External
fault

SI external fault input
terminals acts.

Check the external device
input.
CE
[18] 485
communication
fault

The baud rate setting is
incorrect;

Fault occurs to the
communication circuit;

The communication
address is wrong;

There is strong
interference to the
communication.

Set proper baud rate;

Check the wiring of
communication connection
interface;

Set proper communication
address;

Chang or replace the
wiring or improve the
anti-interference capability.
ItE
[19] Current
detection fault

The connection of the
control board is not good;

Assistant power is bad;

Hall components is
broken;

The magnifying circuit is
abnormal.

Check the connector and
plug wire again;

Change the hall;

Change the main control
panel.
tE
[20] Motor
autotuning fault

The motor capacity does
not match with VFD
capacity;

The rated parameter of the
motor is set improperly;

The deviation between the
parameters from autotune
and the standard
parameter is huge;

Autotune overtime.

Change the VFD model;
Set the rated parameter
according to the motor
nameplate;

Empty the motor load;
Check the motor
connection and set the
parameter;

Check if the upper limit
frequency is above 2/3 of
the rated frequency.
EEP
[21] EEPROM
operation fault

Error occurred to R/W of
the control parameter;

EEPROM is damaged.

Press STOP/RST to reset;

Change the main control
panel.