Siemens SINAMICS G120C DP

10.4.2 Replace the fan unit for the heat sink
Converters, frame sizes FSA … FSF have a fan unit for the heat sink. The fan unit for the heat sink
is located at the lower side of the converter.
When must the fan unit be replaced?
A defective fan unit in operation results in an overtemperature condition of the converter. For
example, the following messages indicate that the fan unit is defective:
• A05002 (air intake overtemperature)
• A05004 (recti󹪝er overtemperature)
• F30004 (heat sink overtemperature)
• F30024 (temperature model overtemperature)
• F30025 (chip overtemperature)
• F30035 (air intake overtemperature)
• F30037 (recti󹪝er overtemperature)
Remove fan unit, FSA ... FSC
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Figure10-1 Remove fan unit for heat sink
Corrective maintenance
10.4Spare parts
SINAMICS G120C Converters
Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK 405