INVT Goodrive20-EU Series Operation Manual page 107

Goodrive20-EU Series VFD
Item to be checked
Conductor lead
Terminals seat
Filter capacitors
Resistors
Details
Ensure there is no dust
and dirtiness
Ensure that there is no
distortion or
color-changing of the
conductors caused by
overheating.
Ensure that there are no
crackles or
color-changing of the
protective layers.
Ensure that there is no
damage
Ensure that there is no
weeping,
color-changing, crackles
and cassis expansion.
Ensure the safety valve
is in the right place.
If necessary, measure
the static capacity.
Ensure whether there is
replacement and
splitting caused by
overheating.
Ensure that there is no
offline.
-102-
Check mode
Visual examination
Visual examination NA
Visual examination NA
Visual examination NA
Visual examination NA
Estimate the usage
time according to
the maintenance or
measure the static
capacity.
Measure the
capacity by
instruments.
Smelling and visual
examination
Visual examination
or remove one
ending to coagulate
or measure with
Fault tracking
Criterion
NA
Note: if the color
of copper blocks
change, it does
not mean that
there is something
wrong with the
features.
NA
The static capacity
is above or equal
to the original
value *0.85.
NA
The resistors are
in ± 10% of the
standard value.