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Maintenance and Inspection
Section 6-4
6-5
6-4
Maintenance and Inspection
The V720 Series must be inspected on a daily or regular basis so that the functions of the V720
Series can be used in good condition.
The V720 Series consists of semiconductors that last almost indefinitely. The following malfunctions
may, however, result due to the operating environment and conditions.
1, 2, 3...
1.Element deterioration due to overvoltage or overcurrent.
2.Element deterioration due to continuous stress caused by high ambient
temperature.
3.Connector contact faults or insulation deterioration due to humidity and
dust.
4.Connector contact faults or element corrosion due to corrosive gas.