Operating instructions

Maintenance and service
12.1 Maintenance
SIMATIC Panel PC 677B
98 Operating Instructions, 05/2007, A5E01035609-01
Cleaning agents
Use dish soap or foaming screen cleaner only as cleaning agents for the front.
The rear side of the operator unit and the housing of the computer unit must only be dry-
cleaned.
Caution
Do not clean the device with aggresive solvents or scrubbing agents or with pressurized air
or steam cleaner.
Procedure for cleaning the device (front)
1. Switch off the device. This prevents the accidental triggering of functions when the front is
touched.
2. Dampen the cleaning cloth.
3. Spray the cleaning agent on the cloth and not directly on the device.
4. Clean the device with the cleaning cloth.
Resistance to chemicals
Caution
Adhere to the information regarding chemical resistance of the panel front. You can find
information on the Internet at:
http://www.siemens.com/asis
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