Delta Electronics AC Drive VFD-F Series Spezifikationen PDF herunterladen (Seite 139)

Chapter 6 Fault Code Information and Maintenance|

6-8 Revision May 2008, ME14, SW V3.04

Terminals and wiring of main circuit

Maintenance

Period

Check Items Methods and Criterion

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

Maintenance

Period

Check Items Methods and Criterion

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

Maintenance

Period

Check Items Methods and Criterion

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 ~ B2

Resistor value should be within

10%

{

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