YASKAWA iQpump1000 Quick Start Manual page 221

Inspection Area
Diode, IGBT Inspect for dust or other foreign material collected on the
(Power Transistor) surface.
Operation Check Check for increased vibration or abnormal noise.
• Inspect terminals for stripped, damaged, or loose
connections.
General
• Make sure all terminals have been properly tightened.
Check for any odor, discoloration, and rust. Make sure
Circuit Boards connections are properly fastened and that no dust or oil
mist has accumulated on the surface of the board.
Cooling Fan,
• Check for abnormal oscillation or unusual noise.
Circulation Fan,
Control Board
• Check for damaged or missing fan blades.
Cooling Fan
Inspect for dust or other foreign material collected on the
Heatsink
surface.
Inspect air intake and exhaust openings. They must be
Air Duct
free from obstruction and properly installed.
• Make sure data appears on the display properly.
HOA Keypad
• Inspect for dust or other foreign material that may have
collected on surrounding components.
YASKAWA TOEP YAIP1W 01A YASKAWA AC Drive - iQpump1000 Quick Start Guide
Inspection Points
Motor Periodic Inspection
Control Circuit Periodic Inspection
Cooling System Periodic Inspection
Display Periodic Inspection
Corrective Action
Use dry air to clear away foreign matter. Use a
4
pressure of 39.2 × 10 to 58.8 × 10
2
(4 - 6 kg•cm ) (57 to 85 psi).
Stop the motor and contact qualified maintenance
personnel as required.
• 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.
• 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
4
pressure of 39.2 × 10 to 58.8 × 10
2
(4 - 6 kg•cm ) (57 to 85 psi).
The drive has few serviceable parts and may require
complete drive replacement.
Replace as required.
Use dry air to clear away foreign matter. Use a
4
pressure of 39.2 × 10 to 58.8 × 10
2
(4 - 6 kg•cm ) (57 to 85 psi).
• Visually inspect the area.
• Clear obstructions and clean air duct as required.
• Contact the nearest sales office if there is any
trouble with the display or keypad.
6.1 Inspection
Checked
4
Pa
4
Pa
4
Pa
221
6