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Siemens Automation System S7-400 User Manual

Page 163

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Maintenance

7-15

Automation System S7-400 Hardware and Installation

A5E00850741-01

5. Slide the new fan in until it engages.
6. Slide the base in again and press it up.
7. Use a screwdriver to make a quarter turn clockwise and close the two

quick-release locks.

8. Use a pointed object to press the RESET button. The fault LED will go off and

the fan will start running.