Delta EB3000 Series User Manual page 381

Chapter 10 Maintenance and TroubleshootingEB3000
Main circuit
Items to Check
Check for any loose or missing bolts
Check for machine or insulator deformation,
crack, damage or color change due to
overheating or ageing
Check for any dust or dirt
Main circuit terminals and wiring
Items to Check
Check the terminal and copper plate for
color change or deformation due to
overheating
Check for damage to the wiring insulation
or color change
Main circuit terminal block
Items to Check
Check for any damage
Main circuit filter capacitor
Items to Check
Check for any liquid leaks, color change,
crack or buckling of the exterior cover
Check if the safety valve is not removed or
if the valve is obviously expanded
Measure static capacity when required
Main circuit resistor
Items to Check
Check for any odors or insulation cracks
due to overheating
Check for any disconnections
Check for damaged connections
Methods and Criterion
Securely tighten
Visual inspection
Visual inspection
Methods and Criterion
Visual inspection
Visual inspection
Methods and Criterion
Visual inspection
Methods and Criterion
Visual inspection
Visual inspection
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Methods and Criterion
Visual inspection, smell
Visual inspection
Measure with multimeter with
standard specifications
10-4
Maintenance Period
Daily Half Year One Year
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Maintenance Period
Daily Half Year One Year
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Maintenance Period
Daily Half Year One Year

Maintenance Period
Daily Half Year One Year

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Maintenance Period
Daily Half Year One Year
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