Functions

11.5 Fan monitoring

11.5Fan 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

11-6

SIMATIC Panel PC 877

Operating instructions, Release 07/2006, A5E00877780-01

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Siemens PANEL PC 877 operating instructions Fan monitoring