94 Chapter 9 Maintenance
9.2 Periodical Maintenance
You should check the drive every 3～6 months according to the actual
environment so as to eliminate the potential faults and ensure the
performance of the drive and prolong its life.
Attention
Only trained personnel is allowed maintaining the drive;
Never leave metal parts like screws or pads in the drive, otherwise the
drive may be damaged;
Do not reform the drive by yourself, otherwise the drive might become
malfunctioned.
!
Notes
Some IC components on the control board are sensitive to ESD, so please don't touch
these components by hand.
General Inspection:
1. Check if screws of control terminals are loose. If so, tighten them with a
screwdriver;
2. Check if the main circuit terminals are properly connected, and check if the
connection points of mains cables or buses, or screws are over heated;
3. Check if the power cables and control cables are damaged, especially the
skin of the cables;
4. Check if the insulating tapes around the cable lugs are stripped or the
connection between the cable and cable lugs is loose;
5. Clean the dust on PCBs and air ducts with a vacuum cleaner;
6. Before the insulation test of the motor, the motor must be disconnected
from the drive. Otherwise, the drive might be damaged.
Notes
Dielectric test of the drive has already been done in the factory. It is not necessary for
the user to do dielectric test again in order to avoid potential damage of its internal
components.
TD3200 Variable Speed Drive for Elevator Door Control User Manual
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