Goodrive300-21 integrated machine for air compressor Troubleshooting
-73-
To-ground
short-circuit fault 2
Inverter output is short
connected to the ground;
There is a fault in the current
detection circuit.
Check whether the motor wiring
is normal/the motor is short
circuited to the ground;
Replace the hall component;
Replace the main control
panel/drive board.
The load is too heavy or
stalled.
Check the load to ensure it is
proper, and increase the
detection time;
Check whether the control
parameters are set properly.
SM control parameters are set
incorrectly.
Autotuned parameters are not
accurate.
The inverter is not connected
to the motor.
Check the load and ensure the
load is normal.
Check whether control
parameters are set correctly.
Increase the mal-adjustment
detection time.
Electronic underload
fault
The inverter reports underload
pre-alarm according to the
setting.
Check the load and the
underload pre-alarm points.
The fan inverter is in fault.
Check the fault code on the
touch screen.
The phase sequence on the
input side of the power is
negative.
Swap any two power input
cables
Communication
interruption
RS485 communication port is
disconnected.
Check whether the
communication cable is loose or
dropped.
Low auxiliary
pressure fault
Auxiliary pressure is too low at
start-up.
Check whether P15.06 and
P15.07 are set properly.
The handshake process
timeout.
Check whether the handshake
between the Plott controller and
inverter is performed according
to the handshake protocol;
Check whether P15.10 is set
properly.
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