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Care and maintenance
CX20x0
79
Version: 2.5
• or the fan speed is less than 1000 rpm.
In a CX20x0 Embedded PC the fan speed is controlled depending on the temperature.
Table 39: In the CX20x0 the fan control and speed depend on the temperature.
Temperature
Fan control
Fan speed
at 35 °C
0 %
1500 rpm
35 °C … 61.25 °C
0% … 100%, linear control
1500 rpm…5900 rpm, linear control
above 61.25 °C
100 %
5900 rpm
Use the IPC diagnostics and monitor the fan speed to determine a fan fault.
Access to the fan status is described in the documentation for the IPC diagnostics:
https://download.beckhoff.com/download/document/ipc/industrial-pc/ipc_diagnose_de.pdf
Replace the fan cartridge as follows:
1. Open the front flap.
2. Pull the old fan cartridge from the housing.
3. Push the new fan cartridge into the housing, with the contacts first.
The guide rails at the fan match the guide rails in the housing.
ð
Close the front flap. You have successfully changed the fan cartridge if the fan starts up again.