INVT GD3000-01-055G-12, Руководство по эксплуатации

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Goodrive3000 series medium voltage VFD Goodrive3000 PWM rectifier
-54-
5.3 Fault information and solution
Fault
code
Type of fault Possible causes Countermeasures
OC Input overcurrent

Wrong setting of current loop or
parameters

Hardware circuit abnormal

Rectifiers overload

Adjust the current loop and
parameters

Ask for service

Adjust the load or rectifier
LvI Input undervoltage

Input power is abnormal
power-down

Input voltage detection circuit
abnormal

Check the input power

Ask for service
OvI Input overvoltage

Input power abnormal

Interference

Input voltage detection circuit
abnormal

Check the input power

Check the external interference

Ask for service
SPI Input phase loss

Input power abnormal

Interference

Input voltage detection circuit
abnormal

Check the input power

Ask for service

Check the external interference
PLLF Phase-locked failed

The grid environment is abnormal

The circuit of the sample board is
abnormal

Check and find out the
interference

Ask for service
Lv
DC bus
undervoltage

Input power abnormal

Interference

Input voltage detection circuit
abnormal

Check the input power

Ask for service

Check the external interference
ov
DC bus
overvoltage

Input power abnormal

Interference

Bus voltage detection circuit
abnormal

Check the input power

Ask for service

Check the external interference
ItE
Current detection
fault

The circuit is abnormal or
interfered

Hoare components is broken

Check and settle the faults
E-DP
PROFIBUS
communication fault

PROFIBUS communication offline

Wrong PROFIBUS parameters
setting

Check communication

Re-set the relevant parameters