Siemens 620 Benutzerhandbuch

7-8

SIMATIC Box PC 620  Manual

A5E00131465-01

Processor fan operation is monitored. If the fan should fail, the following reactions
are triggered:

SOM application is displayed

always

The temperature error remains stored until the cause of the fan failure has been
corrected in one of the following ways:

 Acknowledgement of the error message via the SOM program.
 Device restart.