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Goodrive20 Series VFD
Fault tracking
-107-
Checking part
Checking item
Checking
method
Criterion
coagulate or
measure with
multimeters
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.
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
Ensure
there
is
no
color-changing caused by
overheating.
Visual
examination or
estimate the
usage time
according to the
NA
Summary of Contents for GD20-004G-2
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