ZJSHUYI Maintenance requirements for frequency converters. www.shuyitop....
Maintenance requirements in the day-to-day operation of the frequency converter
1. Check whether the cooling system is normal, and clean the dust of the air filter.
2. Check whether the screws, bolts and other fasteners of the inverter are loose, and perform necessary tightening; for the parts with soldering and crimping terminals, check whether there is corrosion, discoloration, cracks, damage, etc., and also check the frame Whether the structural parts are loose, whether the conductors and wires are damaged, etc.
3. Check whether the connection of the control circuit board is loose, whether the capacitor is leaking, whether the lines on the board are rusted, broken, etc.
4. Check whether the filter capacitor is leaking and whether the capacitance is reduced.
5. Check whether the insulation resistance is within the normal range.
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