Replacement Of The Cabinet Fan For Type A - Siemens Sinamics G120P Operating Instructions Manual

Maintenance and servicing
10.4 Replacing components
10.4.4

Replacement of the cabinet fan for type A

Cabinet fan replacement
Figure 10-4
Description
The average service life of the fan is 50,000 hours. In practice, however, the service life
depends on other variables (e.g. ambient temperature, degree of cabinet protection, etc.)
and, therefore, may deviate from this value.
The fans must be replaced in good time to maintain the availability of the cabinet unit.
Preparatory steps
● Switch the basic unit into a no-voltage condition.
● Provide unobstructed access.
● Remove the guard cover
Removal steps
1. Remove the power supply to the cabinet fan.
2. Release the retaining screws (
3. Push the fan unit forwards (
4. Remove the fan unit from the inverter.
462
Replacing the cabinet fan
①
②
).
).
Operating Instructions, 12/2014, A5E32923362A
Inverter cabinet units