Inspection
Area
Inspection Points Corrective Action Checked
Control Circuit Periodic Inspection
General
• Inspect
terminals for stripped, damaged
or loose connections.
•
Check for tightness.
•
Tighten loose screws and replace
damaged screws or terminals.
•
If terminals are integral to a circuit
board then board or drive
replacement may be required.
LED Periodic Inspection
LEDs
• Make sure the LED lights correctly.
•
Inspect for dust or other foreign
material that may have collected on
surrounding components.
•
Contact your Yaskawa
representative if there is any trouble
with the LED or keypad.
•
Clean the LED.
Cooling System Periodic Inspection
Cooling Fan
• Check for abnormal oscillation or
unusual noise.
•
Check for damaged or missing fan
blades.
•
Replace as required.
• Refer to
Drive Cooling Fans on
page 178
for information on
cleaning
or
replacing
the cooling fan.
Heatsink
• Inspect for dust or other foreign
material collected on the surface.
• Remove foreign particles and dust
with a vacuum cleaner to avoid
touching parts.
Air Duct
• Inspect
air intake and exhaust openings.
They
must
be
free
from
obstruction
and
properly installed.
• Visually inspect the area.
• Clear obstructions and clean air duct
as required.
Motor Periodic Inspection
Operation
Check
• Check for increased vibration or
abnormal noise.
• Stop
the motor and contact qualified
maintenance personnel as required.
Note: Periodic
inspections
should
be
performed
every
one
or two years. The drive, however, may require more
frequent inspection due to poor environments or rigorous use.
6.2 Inspection
174
YASKAWA ELECTRIC TOEP C710606 25D YASKAWA AC Drive J1000 Installation & Start-Up Manual
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