Inspection Area
Inspection Points
Corrective Action
Checked
Diode, IGBT
(Power Transistor)
Inspect for dust or other foreign material collected on the
surface.
Use dry air to clear away foreign matter. Use a
pressure of 39.2 × 10
4
to 58.8 × 10
4
Pa
(4 - 6 kg•cm
2
) (57 to 85 psi).
Motor Periodic Inspection
Operation Check
Check for increased vibration or abnormal noise.
Stop the motor and contact qualified maintenance
personnel as required.
Control Circuit Periodic Inspection
General
• Inspect terminals for stripped, damaged, or loose
connections.
• Make sure all terminals have been properly tightened.
• 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.
Circuit Boards
Check for any odor, discoloration, and rust. Make sure
connections are properly fastened and that no dust or oil
mist has accumulated on the surface of the board.
• Fix any loose connections.
• If an antistatic cloth or vacuum plunger cannot be
used, replace the board.
• Do not use any solvents to clean the board.
• Use dry air to clear away foreign matter. Use a
pressure of 39.2 × 10
4
to 58.8 × 10
4
Pa
(4 - 6 kg•cm
2
) (57 to 85 psi).
The drive has few serviceable parts and may require
complete drive replacement.
Cooling System Periodic Inspection
Cooling Fan,
Circulation Fan,
Control Board
Cooling Fan
• Check for abnormal oscillation or unusual noise.
• Check for damaged or missing fan blades.
Replace as required.
Heatsink
Inspect for dust or other foreign material collected on the
surface.
Use dry air to clear away foreign matter. Use a
pressure of 39.2 × 10
4
to 58.8 × 10
4
Pa
(4 - 6 kg•cm
2
) (57 to 85 psi).
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.
Display Periodic Inspection
HOA Keypad
• Make sure data appears on the display properly.
• Inspect for dust or other foreign material that may have
collected on surrounding components.
• Contact the nearest sales office if there is any
trouble with the display or keypad.
6.1 Inspection
YASKAWA
TOEP YAIP1W 01A YASKAWA AC Drive - iQpump1000 Quick Start Guide
221
6
Periodic Inspection & Maintenance
Summary of Contents for iQpump1000
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