Maintenance; Cleaning - Beckhoff CP77 Series Manual

Maintenance

7 Maintenance
Risk of electric shock
Working on the device when live can lead to electric shock.
• Switch off the power supply before replacing device components. This does not apply to the replacement
of hard disks and SSDs in a RAID configuration.
Maintenance measures increase the efficiency of the device by ensuring long-term functionality. Cleaning
and maintenance by replacing certain device components contribute to this.
7.1

Cleaning

Unsuitable cleaning agents
The use of unsuitable cleaning agents can damage the device.
• Clean the device only as specified.
It is essential to observe the following points when cleaning the PC:
• Keep to the boundary conditions of protection rating IP65.
• Never use compressed air to clean the PC.
• Maintain an ambient temperature range of 0 °C to 45 °C.
Cleaning agents
In order to avoid damage to the front of the panel PC during cleaning, you must use suitable cleaning
agents. Examples include:
• benzine
• spirit
• glass cleaner
Avoid the following cleaning agents:
• detergents with scouring or abrasive components
• metal cleaning objects such as razor blades or steel spatulas
• steam jet cleaner or very hot water
• cold water with a heated device
• high water pressure, e.g. high-pressure cleaner
Cleaning the front screen
You can clean the front screen of the device during operation. In order to avoid inadvertent touch entries
when doing this, you must first set the device to "Cleaning Mode" with the help of the Beckhoff Control Tool.
The Beckhoff Control Tool does not start automatically when the device starts up. Proceed as follows to
activate the "Cleaning Mode" of the Beckhoff Control Tool:
1. Go to the Beckhoff Control Tool to start it.
ð When the tool is started, a small sun symbol appears in the taskbar.
2. Right-click the sun symbol.
3. Select the "Cleaning Mode" (see Fig.).
ð "Cleaning Mode" is activated. You can now clean the front panel.
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CAUTION
NOTICE
Version: 3.4 CP77xx