EN
114
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.