Maintenance 93
Replacing the lower cooling fan of the LCL filter cubicle
WARNING! Only qualified electricians are allowed to do this work. Read the
complete safety instructions of the converter. If you ignore the instructions,
physical injury, death, or damage to the equipment can occur.
1. Disconnect the converter from the all power sources and make sure it is safe to start
the work. See the safety instructions.
2. Open the door of the LCL filter cubicle. There are three cooling fans in the lower part
of the cubicle.
3. Disconnect the wiring plugs (3 pcs, a) of the fans and detach the thermostat (B27, b).
4. Remove the fastening screws (M6, 6 pcs, c) and pull the fan cassette out.
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