Siemens SIMATIC IPC MD-34A Operating Instructions Manual page 66

Device maintenance and repair
6.3 Maintaining and caring for the touch screen
Quintessence
Unintentional response when cleaning the device
You risk unintentional actuation of operator controls if you clean the device while it is
switched on. The device or controller may respond in unintentional ways. Personal injury or
machine damage may result.
• Always switch off the device before you clean it.
• Alternatively, clean the touch screen during operation in locked state only.
Damage caused by unauthorized detergents
Using compressed air or steam cleaners, or aggressive solutions or scouring agents will
damage the device.
Do not clean the device with compressed air or steam jets. Do not use aggressive solvents or
scouring powder.
NOTICE
Damage to the protective coating
The user interface of the touch screen has a special protective coating that prevents dirt
from adhering to it. Wiping the surface of the display may damage the special protective
coating.
• Only remove dirt on the display with a soft cloth. Do not use a paper towel.
• To remove stubborn dirt, you can gently blow on the affected area and then carefully
Proceed as follows:
1. Switch off the device or disable the touch screen by pressing the locking key.
2. Wipe the outside of the device with a soft cloth moistened with water or non-alkaline
detergent.
Spray the detergent onto the cleaning cloth.
Do not spray directly onto the device.
3. Carefully wipe the display with a soft, lint-free cloth.
Do not use alcohol or detergents.
When cleaning the display, wipe from the edge of the screen inwards.
4. Unlock the touch screen by pressing the Locking key again.
66
CAUTION
wipe it with a soft cloth.
Operating Instructions, 08/2023, A5E52427535-AA
MD-34A