Releasing the fan lock
The following figure shows how to release the fan lock:
After replacement
After replacement, press the Reset button, the monitor will become
active 6 secs after the Reset button is pressed.
IF...
THEN...
the relevant "Fan" LED goes
off,
the fan is correctly installed.
the relevant "Fan" LED does
not go off,
the fan is incorrectly installed. Make
a step-by-step check to ensure
correct replacement.
the relevant "Fan" LED goes
off but the "Warning" relay
does not pick up,
another fan has failed and another
"Fan" LED lights up. Replace the
second fan also.
Unlock
fan
Unlock
fan
Unlock
fan
1
2
3
4
5
6
7
8
9
1
0
Replace by
trained personnel
only!
Batt. 3,6V/5Ah
SIEMENS
Use battery holder
C98100-A1155-B21
only!
Power Supply Units
System Manual
4 - 46
C79000-B8576-C199-03