Delta BLD-E1 brushless DC motor drive BLD-E1 Series - Manual (Page 167)

Chapter 6 Fault Code Information and Maintenance| BLD-E1 Series
6-10 Revision May 2009, 00DE, V0.50
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 {
If the connected terminal is
normal? Measure with multimeter with standard
specification
{
Transformer and reactor of main circuit
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If there is any abnormal vibration
or peculiar smell
Visual inspection {
Magnetic contactor and relay of main circuit
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If there is any vibration noise
during operation?
Aural inspection {
If the contact works correctly Visual inspection {
Printed circuit board and connector of main circuit
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If there are any loose screws and
connectors Tighten the screws and press the
connectors firmly in place.
{
If there is any peculiar smell and
color change
Visual inspection and smell {