Goodrive170-PV Series Solar Pump Inverter Fault diagnosis and solution
-53-
SI external fault input
terminal action.
Check the external device
input.
RS485
communication
fault
The baud rate setting is
incorrect.
A fault occurs to the
communication wiring.
The communication
address is incorrect.
Communication suffers
from strong interference.
Set a proper baud rate.
Check the communication
interface wiring.
Set a proper
communication address.
Replace or change the
wiring to enhance the
anti-interference capacity.
The control board
connector is in poor
contact.
Hall device is damaged.
An exception occurs on
the magnifying circuit.
Check the connector and
re-plug.
Replace the Hall device.
Change the main control
board.
The motor capacity does
not match the inverter
capacity.
Motor parameters are not
set correctly.
The difference between
the parameters obtained
from autotuning and the
standard parameters is
great.
Autotuning timed out.
Change the inverter model.
Set the motor type and
nameplate parameters
correctly.
Empty the motor load.
Check the motor wiring and
parameter settings.
Check whether the upper
limit frequency is higher
than 2/3 of the rated
frequency.
Error in reading or writing
control parameters.
EEPROM is damaged.
Press STOP/RST for reset.
Change the main control
board.
The actual running time
of the inverter is longer
than the internal set
running time.
Ask the supplier to adjust
the preset running time.
Electronic overload
fault
The inverter reports
overload pre-alarm
according to the setting.
Check the load and
overload pre-alarm
threshold.