INVT Goodrive18 Series - Page 104

Goodrive18 series two-in-one VFD Troubleshooting
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Subject
Item
Method
Criterion
damaged, or their color
changes due to overheating
and aging.
Check whether there are
stains and dust attached.
Visual
inspection
No exception
occurs.
Note: Copper bar
decoloring does
not indicate
performance
deterioration.
Conductor and
wire
Check whether the
conductors are deformed or
their color change due to
overheat.
Visual
inspection
No exception
occurs.
Check whether the wire
sheaths are cracked or their
color changes.
Visual
inspection
No exception
occurs.
Terminal block
Check whether there is
damage.
Visual
inspection
No exception
occurs.
Filter capacitor
Check whether there is
electrolyte leakage,
discoloration, cracks, and
chassis expansion.
Visual
inspection
No exception
occurs.
Check whether the safety
valves are released.
Determine the
service life
based on the
maintenance
information, or
measure them
through
electrostatic
capacity.
No exception
occurs.