RBU100H operation manual 8 Maintenance and hardware diagnostics
-25-
replacement and splitting caused by
overheating.
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.
Ensure there is no loose screws and
contactors.
Ensure there is no smelling and
color-changing.
Smelling and
visual
examination
Ensure there are no crackles,
damage distortion and rust.
Ensure there is no weeping and
distortion to the capacitors.
Visual
examination or
estimate the
usage time
according to
the
maintenance
information
Estimate whether there is abnormal
noise and vibration.
Hearing and
Visual
examination or
rotate with
hand
Estimate there is no losses screw.
Ensure there is no color-changing
caused by overheating.
Visual
examination or
estimate the
usage time
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