
Fault Tracking
91 - 140
Checking part
Checking item
Checking method
Criterion
Terminals seat
Ensure that there is no
damage
Visual examination NA
Filter capacitors
Ensure that there is no
weeping, color-changing,
cracking 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 whether there is
replacement and splitting
caused by overheating.
Smelling and visual
examination
NA
Ensure that it is not offline.
Visual examination
or 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
Electromagnetism
contactors and relays
Ensure whether there is no
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 cracks,
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
Summary of Contents for CV30
Page 1: ...USER MANUAL INVERTER CONTROLVIT CV30...
Page 2: ......
Page 27: ...Keypad Operation Procedure 27 140 Figure 4 5 Sketch map of state watching...
Page 89: ...Function Parameters 89 140 5 2 Diagram of quick start...
Page 139: ......