INVT GD270-030-4 User Manual

Goodrive270 series VFD for fan and pump Troubleshooting
-251-
7.6.4 Undervoltage
Undervoltage fault
Whether the VFD is
powered off during
running?
Whether the voltage of the
power supply is within the
standard range?
Ensure the power supply
meet the requirement
Whether the air switch and
contactor are opened or
encounter exceptions?
Close the air switch and
contactor; and rectify the
exceptions
Adjust the input of the
grid
Identify the power-off
causes, and rectify the
exceptions
If it is a VFD fault, contact
our company
Whether a large-power device
is running on the grid that pulls
down the voltage of the grid?
Yes
No
Yes
No
Yes
No
Yes
No

INVT GD270-030-4 Specifications

General

Brand	INVT
Model	GD270-030-4
Category	Water Pump
Language	English