INVT Goodrive30 VFD Series

Goodrive30 Series VFD Fault tracking
-113-
Subject
Item
Method
Criterion
resistance)
Transformer
and reactor
Check whether there is unusual
vibration sounds or smells.
Auditory,
olfactory, and
visual
inspection
No exception
occurs.
Electromagnetic
contactor and
relay
Ensure whether there are
vibration sounds in the
workshop.
Auditory
inspection
No exception
occurs.
Check whether the contacts are
in good contact.
Visual
inspection
No exception
occurs.
Control
circuit
PCB and plugs
Check whether the screws and
connectors loose.
Screw them
up.
No exception
occurs.
Check whether there is unusual
smell or discoloration.
Olfactory and
visual
inspection
No exception
occurs.
Check whether there are
cracks, damage, deformation,
or rust.
Visual
inspection
No exception
occurs.
Check whether there is
electrolyte leakage or
deformation.
Visual
inspection, and
determine the
service life
based on the
maintenance
information.
No exception
occurs.
Cooling
system
Cooling fan
Check whether there are
unusual sounds or vibration.
Auditory and
visual
inspection, and
turn the fan
blades with
your hand.
The rotation is
smooth.
Check whether the bolts loose.
Screw them
up.
No exception
occurs.
Check whether there is
discoloration caused due to
overheat.
Visual
inspection, and
determine the
service life
based on the
maintenance
No exception
occurs.