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8.4.2 Replacing the internal fan section
WARNING – B Some inverter parts may be subject to hazardous voltages for the operator. Before performing any work on the
inverter, refer to “Inverter total de-energization and safe access” paragraph on this manual to know all the necessary step to
safely operate on the inverter.
Procedure for replacing one of the two fan sections:
WARNING – B Perform the “Inverter total de-energization and safe access” procedure before operate on the inverter.
• Open the front wiring box cover (07).
WARNING – B Do not open the power module front cover (54).
• Disconnect the fan connector.
• Push the retaining spring in order to unlock the fan chassis.
• Pull down the fan front side of the fan chassis.
ATTENTION – A Pay special attention to don’t damage the cables situated in front of fans during the replacement operation.
• Pull out the fan.
• Place the new fan section following the previous steps in reverse way.
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