Siemens PANEL PC 877 Manuel D’Utilisation

Functions 

 

11.5 Fan monitoring 

 

SIMATIC Panel PC 877 

11-6

 

Operating instructions, Release 07/2006, A5E00877780-01 

11.5 

11.5 

Fan monitoring 

 

This function monitors operation of the housing and processor fans. When a fan fails, the 

following reactions are triggered: 

 

Response 

Option 

SOM or DiagMonitor software is activated 

None 

The temperature error is retained until the cause of the fan failure has been rectified and the 

error is reset in one of the following ways: 
• 

Acknowledgement of the error message by means of the SOM program 

• 

Restart of the device