INVT GD300L Series User Manual

Goodrive300-LIFT series inverter Maintenance and hardware diagnosis
-110-
Checking
Item
Method
Criterion
contactors
and
relays
Ensure the contactor is in
good contact.
Visual examination
NA
Control
circuit
PCB
and
plugs
Ensure there are no loose
screws and contactors.
Fasten up
NA
Ensure there is no smelling
and color-changing.
Smelling and visual
examination
NA
Ensure there are no crackles,
damage distortion and rust.
Visual examination
NA
Ensure there is no weeping
and distortion to the
capacitors.
Visual examination or
estimate the usage
time according to
maintenance
information
NA
Cooling
system
Cooling
fan
Ensure there is no abnormal
noise and vibration.
Hearing and visual
examination or rotate
with hand
Stable rotation
Estimate there is no losses
screw.
Tighten up
NA
Ensure there is no
color-changing caused by
overheating.
Visual examination or
estimate the usage
time according to
maintenance
information
NA
Ventilating
duct
Ensure there is no stuff or
foreign objection in the cooling
fan, air vent.
Visual examination
NA
Consult the local service representative for more details on the maintenance. Visit the official website
http://www.invt.com.cn.
9.3 Cooling fan
The inverter's cooling fan has a minimum life span of 25,000 operating hours. The actual life span
depends on the inverter usage and ambient temperature.
The operating hours can be found through P07.13.
Fan failure can be predicted by the increasing noise from the fan bearings. If the inverter is operated

INVT GD300L Series Specifications

General

Brand	INVT
Model	GD300L Series
Category	Inverter
Language	English