Chapter 6 Fault Code Information and Maintenance
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Revision July 2008, EG03, SW V1.06
6-7
Keypad
Maintenance
Period
Check Items
Methods and Criterion
Daily
Half
Year
One
Year
Is the display clear for reading?
Visual inspection
{
Any missing characters?
Visual inspection
{
Mechanical parts
Maintenance
Period
Check Items
Methods and Criterion
Daily
Half
Year
One
Year
If there is any abnormal sound
or vibration
Visual and aural inspection
{
If there are any loose screws
Tighten the screws
{
If any part is deformed or
damaged
Visual inspection
{
If there is any color change by
overheating
Visual inspection
{
If there is any dust or dirt Visual
inspection
{
Main circuit
Maintenance
Period
Check Items
Methods and Criterion
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
{
Summary of Contents for AC Motor Drive VFD-G
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