Chapter 3 Maintenance System Design; Preparation For Maintenance - Mitsubishi Electric FATEC FR-A800 Manual

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MAINTENANCE SYSTEM DESIGN
Chapter 3 MAINTENANCE SYSTEM DESIGN
It is necessary to design a system for maintenance to prevent failures and accidents with a
maintenance-friendly design.
3.1

Preparation for Maintenance

(1) Using products unlikely to fail
In simple terms, this means using highly reliable products. It is recommended to consider the
following points.
1) Is the manufacturer of the product reliable?
2) Does it conform to recognized local and/or international standards?
3) Is the design simple?
4) Does it have low failure rate based on performance?
5) Does it have a good reputation in industry?
(2) Good system manufacturing for the maintainability
For a maintenance-friendly system, it is recommended to consider the following points.
1) Use an inverter with easily available parts and products.
2) Use an inverter that has high maintainability with functions such as self-diagnostics.
3) Use an inverter that allows easy program reading, modification, and storage.
4) Design the system so that failures are automatically displayed.
5) Design the system having space for maintenance inspection and repair work.
6) Design the system that allows easy replacement of parts and products, and change of wiring.
3.1 Preparation for Maintenance
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