Central Controllers and Expansion Units Power Supply Units

Releasing the Fan The following figure shows how to release the fan lock:

Lock

SIEMENS

910

8

7

6

5

4

3

2

1

Batt.3,6V/5Ah

Use battery holder C98100-A1155-B21 only!

Unlock

Unlock

Replace by

fan

fan

trained personnel

 

 

only!

After Replacement After replacement, press the Reset button, the monitor will become active 6 secs after the Reset button is pressed.

IF...

the relevant ªFanº LED goes off,

the relevant ªFanº LED does not go off,

the relevant ªFanº LED goes off but the ªWarningº relay does not pick up,

THEN...

the fan is correctly installed.

the fan is incorrectly installed. Make a step-by-step check to ensure correct replacement.

another fan has failed and another ªFanº LED lights up. Replace the second fan also.

System Manual

4-43

C79000-G8576-C199-06

Page 109
Image 109
Siemens S5-135U/155U appendix Lock