INVT IPE300 Series User Manual

IPE300 series engineering VFD Troubleshooting
-248-
Fault
code
Fault
No.
Fault type
Possible cause
Solution
restarted;
The voltage of the grid is too
low;
Load is too large;
Power is too small.
Check the grid voltage;
Select the VFD with larger
power;
Select proper motor.
SPI
13
Phase loss on input
side
Phase loss or violent
fluctuation occurred on input
R, S, T
Check the input power;
Check the installation
wiring.
SPO
14
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
15
Rectifier module
overheating
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
16
Inverter module
overheat
EF
17
External fault
SI external fault input terminal
acts.
Check external device input.
CE
18
RS485
communication fault
Baud rate is set improperly;
Communication line fault;
Incorrect communication
address;
Communication suffers from
strong interference.
Set proper baud rate;
Check the wiring of
communication interfaces;
Set the communication
address correctly;
Replace or change the
wiring to enhance the
anti-interference capacity.
ItE
19
Current detection
fault
Poor contact of the connector
of control board;
Hall component is damaged;
Exception occurred to
amplification circuit.
Check the connector and
re-plug;
Replace the hall
component;
Replace the main control
board.
tE
20
Motor autotuning
fault
Motor capacity does not match
with the VFD capacity, this
fault may occur easily if the
difference between them is
exceeds five power classes;
Change the VFD model, or
adopt V/F mode for control;
Set proper motor type and
nameplate parameters;
Empty the motor load and

INVT IPE300 Series Specifications

General

Brand	INVT
Model	IPE300 Series
Category	DC Drives
Language	English