Goodrive20-UL Series VFD
Fault tracking
-103-
Checking part
Checking item
Checking
method
Criterion
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 contact 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.
Visual
examination
NA
Ensure there is no
weeping and distortion to
the capacitors.
Visual
examination or
estimate the
usage time
according to the
maintenance
information
NA
Cooling
system
Cooling fan
Estimate whether there is
abnormal noise and
vibration.
Hearing and
Visual
examination or
rotate with hand
Stable rotation
Estimate there is no
losses screw.
Tighten up
NA
Summary of Contents for GD20-0R4G-2-UL
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