Maintenance And Inspection; Limited Warranty; Daily Inspection - YASKAWA CIMR-ACA4011 Instruction Manual

Maintenance and Inspection

Limited Warranty

This product is warranted for twelve months after delivery to the customer or for up to eighteen months from
the date of shipment, whichever comes first.

Daily Inspection

Check the following items after the MxC has been installed.
The motor should not vibrate or make unusual noise.
•
There should be no abnormal heat generation.
•
The ambient temperature should not be too high.
•
The output current value shown on the monitor display should not be higher than normal.
•
The cooling fan of the MxC 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 been turned off, and then wait until at least five minutes has elapsed before inspecting
the MxC. Be sure not to touch terminals right after the power has been turned off. Doing so can result in elec-
tric shock.
External terminals,
mounting bolts,
connectors, etc.
Heatsink
PCBs
Cooling fan
Power elements
-2
8
Item
Are all screws and bolts tight?
Are connectors tight?
Is the heatsink dirty or full of dust?
Is there any conductive dirt or oil mist on
the PCBs?
Is there any abnormal noise or oscillation?
Has the total operating time exceeded
20,000 hours?
Is there any conductive dirt or oil mist on
the power components?
Table 8.1 Periodic Inspections
Inspection
Firmly tighten loose screws and bolts.
Re-affix any loose connectors.
Clean off any dirt and dust with an air gun using
dry air at a pressure of 39.2 × 10
(4 to 6 kg•cm
Clean off any dirt and dust with an air gun using
dry air at a pressure of 39.2 × 10
(4 to 6 kg•cm
Replace the boards if they cannot be made clean.
Replace the cooling fan.
Clean off any dirt and dust with an air gun using
dry air at a pressure of 39.2 × 10
(4 to 6 kg•cm
Corrective Procedure
4
to 58.8 × 10
2
).
4
to 58.8 × 10
2
).
4
to 58.8 × 10
2
).
4
Pa
4
Pa
4
Pa