Chapter VIII Maintenance
142
Charging test should be carried out if the servo drive has not been used more than
1 year in order to recover the properties of electrolytic capacitor in the main
circuit. Use voltage regulator to increase the input voltage of servo drive up to
nominal voltage when charging. Conduction time should be more than 1 or 2
hours.
The above tests should be carried out at least once a year.
Do not carry out the pressure test arbitrarily, otherwise may cause service life
reduction and product components damage. 500 v Megger can be used in the
measurement test for insulation test. The insulation resistance shall not be less
than 4MΩ.
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