110 Maintenance
Replacing the charging circuit resistors
1. Ensure that the converter is disconnected from the power supply network and all other
precautions described in section Safety in installation and maintenance, page 12 have
been taken into consideration.
2. Remove the shrouds in front of the resistors. The resistor are located in the upper part
of the cubicle.
3. Remove the five fastening screws of the resistors.
4. Unplug the resistor cable.
5. Remove the six fastening screws.
6. Insert new resistors.
7. Re-assemble the parts in reverse order.
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