INVT Goodrive 200L Operation Manual page 144

inverters
Goodrive200L
Checking part
Terminals seat
Filter capacitors
Resistors
Transformers and
reactors
Electromagnetism
contactors and
relays
Control
PCB and plugs
circuit
Checking item
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.
Ensure there is no
abnormal vibration, noise
and smelling,
Ensure whether there is
vibration noise in the
workrooms.
Ensure the contactor is
good enough.
Ensure there are no
loose screws and
contactors.
Ensure there is no
smelling and
139
Fault tracking
Checking
method
Visual
NA
examination
Visual
NA
examination
Visual
NA
examination
Estimate the
usage time
according to the
NA
maintenance or
measure the
static capacity.
The static
Measure the capacity is
capacity by above or equal
instruments. to the original
value *0.85.
Smelling and
visual NA
examination
Visual
examination or
remove one The resistors are
ending to in ±10% of the
coagulate or standard value.
measure with
multimeters
Hearing,
smelling and
NA
visual
examination
Hearing NA
Visual
NA
examination
Fasten up NA
Smelling and
NA
visual
Criterion