Operating instructions

MP 377, MP 377 PRO (WinCC flexible)
Operating Instructions, 10/2008, 6AV6691-1DR01-0AB0
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Maintenance and care
11
11.1 Maintaining and caring for the touch screen and keyboard overlay
Introduction
The HMI device is designed for maintenance-free operation. The touch screen and
keyboard overlay should nevertheless be cleaned regularly.
Requirement
● Damp cleaning cloth
● Washing up liquid or foaming screen cleaning agent
Procedure
NOTICE
Unintentional response
If you clean the touch screen or an HMI device with a keyboard overlay when it is switched
on, you may cause maloperations.
Switch off the HMI device, or if the HMI device is running, clean the touch screen only in
a blocked state! Note that the touch screen block automatically ends after 15 seconds.
Damage caused by unauthorized cleaning products
Using compressed air or steam cleaners, or aggressive solutions or scouring agents will
damage the HMI device.
Do not clean the HMI device with compressed air or steam jet blowers. Do not use
aggressive solvents or scouring powder.
Proceed as follows:
1. Switch off the HMI device or block the touch screen.
2. Spray the cleaning solution onto a cleaning cloth.
Do not spray directly onto the HMI device.
3. Clean the HMI device.
When cleaning the display wipe from the screen edge inwards.