INVT Goodrive 35 Series Operation Manual page 208

Goodrive35 inverters
Checking
Terminals
seat
Filter
capacitors
Resistors
Transform
ers and
reactors
Electroma
gnetism
contactors
and relays
Control PCB and
circuit plugs
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
workroom.
Ensure the contactor is good
enough.
Ensure there are no loose
screws and contactors.
Ensure there is no smelling
and color-changing.
Ensure there are no crackles,
damage distortion and rust.
Maintenance and hardware diagnostics
Method
Visual examination
Visual examination
Visual examination
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 multimeters
Hearing, smelling and
visual examination
Hearing
Visual examination
Fasten up
Smelling and visual
examination
Visual examination
201
Criterion
NA
NA
NA
NA
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
NA