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7.3.
How to Replace Cooling Fan
This section describes how to replace the cooling fan.
The cooling fan is a component specific to each model of the converter. For replacement,
use a cooling fan the same as the one installed on the converter.
For replaced parts of the cooling fan, contact us.
Warning
Replaced parts
●
Before conducting an inspection, turn off the input power supply and wait for ten or more minutes. Also,
check voltage between the DC terminals [+] and [-] on the main circuit terminal block to see if it is below
30 V.
Otherwise, it can result in a risk of electric shock.
●
Only certified persons should conduct maintenance and inspection. Take off metals (such as a watch and
bracelet) before maintenance and inspection. Use a tool for insulation.
Otherwise, electric shock or injury may occur.
Caution
Precautions concerning handling
●
Handle parts with care not to make a powerful impact.
Deformation will cause a failure of the converter.
7.3.1.
How to Remove Cooling Fan
This section describes how to typically remove the cooling fan.
For the cooling fan, its shape, number of pieces, the presence or absence of screws, and its position depend
on your converter model.
For details of how to remove the cooling fan, contact us.
Caution
Removing the cooling fan
●
When removing the cooling fan, be careful not to put a strain on the electrical wire.