INVT Goodrive3000 GD3000-01-055G-12 Operation Manual page 47

Goodrive3000 series medium voltage inverters
Fault
Type of fault
code
Vce detection fault of
Out1
U phase
Vce detection fault of
Out2
V phase
Vce detection fault of
Out3
W phase
IGBT temperature
A-vH1
pre-warning
Possible causes
or grounding short circuit

Duct blockage or fan damage

Ambient temperature is too
high

Control panel connection or
plug loose

Auxiliary power damage or
drive voltage undervoltage

Power module bridge arm

Control board abnormal

Corresponding IGBT damage

Strong interference

External short circuit

Duct blockage or fan damage

Ambient temperature is too
high

Control panel connection or
plug loose

Auxiliary power damage or
drive voltage undervoltage

Power module bridge arm

Control board abnormal
-46-
Goodrive3000 series PWM rectifier
Countermeasures

Clean the air duct or change
the fan

Reduce the environment
temperature

Check and rewire

Ask for service

Ask for service

Ask for service

Ask for service

Check the external
environment and eliminate the
interference

Check the external circuit and
eliminate the external fault

Clean the air duct or change
the fan

Reduce the environment
temperature

Check and rewire

Ask for service

Ask for service

Ask for service