3. Maintenance
3.1.5 Replacement of the cooling fan
If operation is continued after cooling fan trip occurs, Overheat trip may happen and protective function be
activated. It also reduces the life of main components due to rise in inverter inner temperature.
When the fan has been operated for an extended duration, the inverter can be damaged or their lifecycle
reduced. Standard replacement interval of the cooling fan is 3years. Replace the old cooling fan with a
new one periodically.
Methods of replacement of the cooling fan can be categorized as following frames:
Replacement of the A ~C Frame FAN (SV004~040iG5A-2/4)
1) Remove the fan cover by holding hooks of the fan cover.
2) Disconnect the fan wire and remove the fan.
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