IMO SD1 Series - Page 108

SD1 Series Inverters Fault Tracking
-103-
Item to be checked
Details
Check mode
Criterion
not mean that
there is something
wrong with the
features.
Conductor lead
Ensure that there is no
distortion or
color-changing of the
conductors caused by
overheating.
Visual examination NA
Ensure that there are no
cracks or
color-changing of the
protective layers.
Visual examination NA
Terminals seat
Ensure that there is no
damage
Visual examination NA
Filter capacitors
Ensure that there is no
weeping,
color-changing, cracks
and chassis 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 there is no
damage caused by
overheating.
Smelling and visual
examination
NA
Ensure the resistor is
not open circuit.
Visual examination.
measure with
multimeter.
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
Electromagnetic
contactor and
relay
Ensure whether there is
vibration noise in the
workrooms.
Hearing NA