Maintenance 67
Replacing the DC cabinet cooling fans
The cooling fans of the DC cabinet are mounted on the protective metal panel in the
cabinet. Depending on the number of DC inputs there are two or three cooling fans.
WARNING! Obey the safety instructions on page 9. If you ignore the
instructions, physical injury or death, or damage to the equipment can
occur.
1. Before you start, stop the inverter and do the
steps in Performing electrical work on page 12.
2. Open the DC cabinet door.
3. Disconnect the power connector of the cooling
fan.
4. Remove the 2 screws that hold the cooling fan
and finger guard.
5. Disconnect the fan wiring.
6. Remove the cooling fan.
7. Install the new cooling fan.
8. Install the finger guard and install and tighten
the 2 screws.
9. Connect the fan wiring and power connector of
the cooling fan.
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