Siemens SIMATIC IPC377E, Руководство по эксплуатации

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Maintaining and repairing the device
7.3 Cleaning the Device Front
SIMATIC IPC377E
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Operating Instructions, 2017/05, A5E40965249-AA
If you install or exchange system expansions and damage your device, the warranty
becomes void.
CAUTION
Electrostatic sensitive devices (ESD)
The device contains electronic components which are destroyed by electrostatic charges.
This can result in malfunctions and damage to the machine or plant.
Make sure you take precautionary measures even when you open the device, for example,
when opening device doors, device covers or the housing cover. For more information,
refer to the chapter "ESD Guideline (Page 69)"
Limitation of liability
All technical specifications and approvals of the device only apply if you use expansion
components that have a valid CE approval (CE mark). The installation instructions for
expansion components in the associated documentation must be observed.
UL approval of the device only applies when the UL-approved components are used
according to their "Conditions of Acceptability".
We are not liable for functional limitations caused by the use of third-party devices or
components.
Tools
Tools to open the device, see section "Opening the device". You can make repairs on the
device with the following tools:
● T20 screwdriver for protective conductor connection and enclosure
● T10 screwdriver for all of the remaining screws
7.3 Cleaning the Device Front
The device is designed for low-maintenance operation. You should still clean the device front
regularly, however.
CAUTION
Unwanted reactions when cleaning the device
You risk unintentional actuation of control elements if you clean the device while it is
switched on.
You may possibly trigger unwanted actions of the device or controller that are liable to
cause personal injury or damage to the machinery.
Always switch off the device before you clean it.