INVT Goodrive350-19 Series User Manual

Goodrive350-19 series VFD Troubleshooting
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Fault
code
Fault type
Possible cause
Corrective measure
OL1
Motor overload
Grid voltage is too low;
Rated motor current is set
improperly;
Motor stall or load jumps
violently
Check grid voltage;
Reset rated motor current;
Check the load and adjust
torque boost
OL2
VFD overload
Acceleration is too fast;
The motor in rotating is
restarted;
Grid voltage is too low;
Load is too large;
Power is too small;
Increase acceleration time;
Avoid restart after stop;
Check grid voltage;
Select the VFD with larger
power;
Select proper motor
SPI
Phase loss on input
side
Phase loss or violent
fluctuation occurred to R, S
and T input
Check the input power;
Check installation wiring
SPO
Phase loss on
output side
Phase loss occurred to U, V,
W output (or the three
phases of motor is
asymmetrical)
Check the output wiring;
Check the motor and cable
OH1
Overheat of rectifier
module
Air duct is blocked or fan is
damaged;
Ambient temperature is too
high;
Long-time overload running
Ventilate the air duct or replace
the fan;
Lower the ambient temperature
OH2
Overheat of inverter
module
EF
External fault
SI external fault input
terminal acts
Check external device input
CE
485 communication
fault
Baud rate is set improperly;
Communication line fault;
Communication address
error;
Communication suffers from
Set proper baud rate;
Check the wiring of
communication interfaces;
Set proper communication
address;

INVT Goodrive350-19 Series Specifications

General

Brand	INVT
Model	Goodrive350-19 Series
Category	DC Drives
Language	English