Goodrive20 inverters Fault tracking
88
Checking part Checking item Checking method
Criterion
damage
Filter capacitors
Ensure that there is no
weeping, color-changing,
crackles and cassis
expansion.
Visual examination
NA
Ensure the safety valve is in
the right place.
Estimate the usage
time according to
the maintenance or
measure the static
capacity.
NA
If necessary, measure the
static capacity.
Measure the
capacity by
instruments.
The static capacity
is above or equal to
the original value
*0.85.
Resistors
Ensure whether there is
replacement and splitting
caused by overheating.
Smelling and visual
examination
NA
Ensure that there is no
offline.
Visual examination
or remove one
ending to coagulate
or measure with
multimeters
The resistors are in
±10% of the
standard value.
Transformers and
reactors
Ensure there is no abnormal
vibration, noise and smelling,
Hearing, smelling
and visual
examination
NA
Electromagnetism
contactors and relays
Ensure whether there is
vibration noise in the
workrooms.
Hearing NA
Ensure the contactor is good
enough.
Visual examination
NA
Control
circuit
PCB and plugs
Ensure there are no loose
screws and contactors.
Fasten up NA
Ensure there is no smelling
and color-changing.
Smelling and visual
examination
NA
Ensure there are no crackles,
damage distortion and rust.
NA
Ensure there is no weeping
and distortion to the
capacitors.
Visual examination
or estimate the
usage time
according to the
NA