INVT Goodrive3000 Series Operation Manual page 144

Goodrive3000 series medium voltage VFD
Fault
Fault type
code
Overvoltage during
OV1
acceleration
Overvoltage during
OV2
deceleration
Overvoltage during
OV3 constant speed
UV Bus undervoltage
OL1 Motor overload
OL2 VFD overload
Phase loss on input
SPI
Phase loss on output
SPO
Rectifier module
OH1
overheating
Inverter module
OH2
EF External fault
CE Communication fault
Exception occurred to input voltage
Reset
momentary power failure
DEC is too fast
Load inertia is too high
Exception occurred to input voltage
Exception occurred to input voltage
Load inertia is too high
running
The voltage of the grid is too low;
The grid voltage is too low
The motor rated current is set incorrectly
Motor stall or load jumps violently
In closed-loop vector control mode, the
encode runs reversely and the motor
runs at low speed for a long period
The motor power is too large
ACC is too fast
The motor in rotating is restarted
The grid voltage is too low
Load is too large
In closed-loop vector control mode, the
encoder runs reversely and the motor
runs at low speed for a long period
Phase loss on input R, S, T
side
Phase loss occurred to U, V, W output
(or the three phases of motor is
asymmetrical).
side If the motor is not connected, the
pre-excitation cannot be ended during
pre-excitation
Instantaneous overcurrent occurred to
the VFD
Three-phase output have interphase or
the grounding is short circuited
Air duct is blocked or fan is damaged
Ambient temperature is too high
Control board cables or plugs are loose
Auxiliary power supply is damaged, and
undervoltage occurred for drive voltage
The short through of bridge arm of
overheat
power modules occurred
Control board is abnormal
SI external fault input terminal acts.
Incorrect baud rate
Serial communication error
Possible cause
the rotating motor after
-138-
Goodrive3000 inverter
Solution
Check the input power
a
Avoid restart after stop
Increase DEC time
Install dynamic
components
Check the input power
Install the input reactor
Install dynamic
components
Check the grid input power.
Check the grid voltage
Reset the motor rated current
Check the load and adjust
torque boost.
Change the signal direction of
the encoder
Select proper motor.
Increase ACC time
Avoid restart after stop
Check the grid voltage
Select a VFD with larger power
Change the signal direction of
the encoder
Check the input power
Check the installation wiring.
Check the output wiring
Check the motor and cable.
See solutions for overcurrent
Re-wiring
Dredge the vent duct or replace
the fan
Lower the ambient temperature.
Check and reconnect
control board
Ask for technical support.
Ask for technical support.
Ask for technical support.
Check external device input.
Set a proper baud rate.
Press STOP/RST for reset or
brake
brake
the