Beckhoff CX20 2 Series, Manual

Page: 63 / 77

Care and maintenance
CX20x2 63 Version: 1.7
10.2 Replace the fan cartridge
Service life
The fan cartridge must be replaced every 5 years. Spare fan cartridges can be ordered from Beck-
hoff Service.
Replace the fan cartridge of the CX20x2 if:
• the fan cartridge has been used for 5 years
• or the fan speed is less than 1000 rpm.
In a CX20x2 Embedded PC the fan speed is controlled depending on the temperature.
Table 35: In the CX20x2 the fan control and speed depend on the temperature.
Temperature Fan control Fan speed
up to 30 °C 30 % 3400 rpm
30 °C … 75 °C 30 % … 100 %, linear control 3400 rpm ... 6000 rpm, linear
regulated
above 75 °C 100 % 6000 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.