INVT Goodrive350 IP55 User Manual

Goodrive350 IP55 High-ingress Protection Series VFD Troubleshooting
-247-
Fault
code
Fault type
Possible cause
Corrective measures
OUt2
[2] Inverter unit V phase
protection
Misacts caused by
interference; drive wires
are poorly connected ;
To-ground short circuit
occurs
Check drive wires;
Check whether there is
strong interference
surrounds the peripheral
equipment
OUt3
[3] Inverter unit W phase
protection
OV1
[7] Overvoltage during
acceleration
Deceleration time is too
short;
Exception occurred to
input voltage;
Large energy feedback;
Lack of brake units;
Dynamic brake is not
enabled, and the
deceleration time is too
short.
Check input power;
Check whether load
deceleration time is too
short; or the motor starts
during rotating;
Install dynamic brake units;
Check the setup of related
function codes
OV2
[8] Overvoltage during
deceleration
OV3
[9] Overvoltage during
constant speed running
OC1
[4] Overcurrent during
acceleration
Acceleration is too fast;
Grid voltage is too low;
VFD power is too small;
Load transient or
exception occurred;
To-ground short circuit or
output phase loss occur;
Strong external
interference sources;
Overvoltage stall
protection is not enabled
Increase ACC/DEC time;
Check input power;
Select the VFD with larger
power;
Check if the load is short
circuited (to-ground short
circuit or line-to-line short
circuit) or the rotation is not
smooth;
Check the output wiring;
Check if there is strong
interference;
Check the setup of related
function codes.
OC2
[5] Overcurrent during
deceleration
OC3
[6] Overcurrent during
constant speed running
UV
[10] Bus undervoltage fault
Grid voltage is too low;
Overvoltage stall
protection is not enabled
Check grid input power;
Check the setup of related
function codes
OL1
[11] 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
[12] 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

INVT Goodrive350 IP55 Specifications

General

Brand	INVT
Model	Goodrive350 IP55
Category	Media Converter
Language	English