Network Router User Manual

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.