Siemens S5-135U/155U User Manual
Page 109
4-43
System Manual
C79000-G8576-C199-06
The following figure shows how to release the fan lock:
Unlock
fan
Unlock
fan
Unlockfan
Unlockfan
Replace by
trained personnel
only!
Batt.3,6V/5Ah
SIEMENS
Use battery holder
C98100-A1155-B21
only!
1
2
3
4
5
67
89
10
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.
Releasing the Fan
Lock
After Replacement
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