INVT Goodrive 300 Operation Manual page 228

inverters
Goodrive300
Checking part
Resistors
Transformers and
reactors
Electromagnetism
contactors and
relays
Control
PCB and plugs
circuit
Maintenance and hardware diagnostics
Checking item
If necessary, measure the
static capacity.
Ensure whether there is
replacement and splitting
caused by overheating.
Ensure that there is no
offline.
Ensure there is
abnormal vibration, noise
and smelling,
Ensure whether there is
vibration noise in the
workrooms.
Ensure the contactor is
good enough.
Ensure there is no loose
screws and contactors.
Ensure there is
smelling
color-changing.
227
Checking
method
measure the
static capacity.
Measure the
capacity by
instruments.
Smelling and
visual
examination
Visual
examination or
remove one
ending to
coagulate or
measure with
multimeters
Hearing,
no
smelling and
visual
examination
Hearing
Visual
examination
Fasten up
no Smelling and
and visual
examination
Criterion
The static
capacity is
above or equal
to the original
value *0.85.
NA
The resistors are
in ±10% of the
standard value.
NA
NA
NA
NA
NA