8
-2
Maintenance and Inspection
Outline of Warranty
The warranty period of the Inverter is as follows:
Warranty Period: This product is warranted for twelve months after being delivered to Yaskawa's customer or
if applicable eighteen months from the date of shipment from Yaskawa's factory whichever comes first.
Daily Inspection
Check the following items with the system in operation.
• The motor should not be vibrating or making unusual noises.
• There should be no abnormal heat generation.
• The ambient temperature should not be too high.
• The output current value shown on the monitor displays should not be higher than normal.
• The cooling fan on the bottom of the Inverter should be operating normally.
Periodic Inspection
Check the following items during periodic maintenance.
Always turn OFF the power supply before beginning inspection. Confirm that the LCD and LED indicators on
the front cover have all turned OFF, and then wait until at least five minutes has elapsed before beginning the
inspection. Be sure not to touch terminals right after the power has been turned off. Doing so can result in
electric shock.
Note 1. Be careful of static electricity and dust behind conductive parts when cleaning.
2. If the surface of the Inverter is particularly dirty, wipe it clean with a soft cloth.
Table 8.1 Periodic Inspections
Item Inspection Corrective Procedure
External terminals,
mounting bolts, connec-
tors, etc.
Are all screws and bolts tight? Tighten loose screws and bolts firmly.
Are connectors tight? Reconnect the loose connectors.
Heatsinks Are the fins dirty or dusty? Remove dust and dirt with a vacuum cleaner.
PCBs
Is there any conductive dirt or oil mist on
the PCBs?
Remove dust and dirt with a vacuum cleaner.
Replace the boards if they cannot be made clean.
Cooling fan
Is there any abnormal noise or vibration or
has the total operating time exceeded
20,000 hours?
Replace the cooling fan.
Power elements
Is there any conductive dirt or oil mist on
the elements?
Remove dust and dirt with a vacuum cleaner.
Smoothing capacitor
Are there any irregularities, such as dis-
coloration or odor?
Replace the capacitor or Inverter.
TOE-S616-60.1.book 2 ページ ２０１７年８月４日 金曜日 午後３時４１分
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