Chapter 6 Fault Code Information and Maintenance|
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6-6 Revision 2016/03, 6ELE, V1.14
Main circuit
Check Items Methods and Criterion
Maintenance Period
Daily Half Year
One Year
If there are any loose or missing
screws
Tighten or replace the screw
If machine or insulator is deformed,
cracked, damaged or with changed
color change due to overheating or
ageing
Visual inspection
NOTE: Please ignore the color
change of copper plate
If there is any dust or dirt Visual inspection
Terminals and wiring of main circuit
Check Items Methods and Criterion
Maintenance Period
Daily Half Year
One Year
If the wiring shows change of color
change or deformation due to
overheat
Visual inspection
If the insulation of wiring is
damaged or the color has changed
Visual inspection
If there is any damage Visual inspection
DC capacity of main circuit
Check Items Methods and Criterion
Maintenance Period
Daily Half Year
One Year
If there is any leakage of liquid,
change of color, cracks or
deformation
Visual inspection
Measure static capacity when
required
Static capacity
initial value X
0.85
Resistor of main circuit
Check Items Methods and Criterion
Maintenance Period
Daily Half Year
One Year
If there is any peculiar smell or
insulator cracks due to overheating
Visual inspection, smell
If there is any disconnection
Visual inspection or measure with
multimeter after removing wiring
between +/B1 ~ -
Resistor value should be within
10%
Transformer and reactor of main circuit
Check Items Methods and Criterion
Maintenance Period
Daily Half Year
One Year
If there is any abnormal vibration or
peculiar smell
Visual, aural inspection and smell
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