Maintenance
FLOWSIC100 Flare-XT · Operating Instructions · 8023761/V 1-0/2020-10 · © SICK Engineering GmbH 145
9.5
Cleaning
9.5.1 Cleaning the FLSE100-XT sender/receiver units
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Only clean the surfaces of the FLSE100-XT sender/receiver units with a damp cloth.
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Only use materials for cleaning which do not damage the surface of the FLSE100-XT
sender/receiver units.
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Do not use solvents for cleaning.
9.5.2 Cleaning the Interface Unit
Cleaning information
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Only clean the Interface Unit with a damp cloth.
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Only use materials for cleaning which do not damage the surface of the Interface Unit.
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Do not use solvents for cleaning.
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Only use cleaning agents free from oil, grease and solvents to clean the display.
9.6 Exchanging the battery
9.6.1 Battery types
WARNING: Hazard for intrinsic safety due to incorrect spare parts
Only PANASONIC batteries type BR2032 are permitted as RTC battery,
otherwise intrinsic safety is endangered.
The battery may only be replaced after a Service training by SICK or by SICK
Service!
NOTICE:
The replaceable RTC battery has been assessed as intrinsically safe for the
following potentially explosive atmospheres: Zone 2, Class I Zone 2 and Class I
Div 2.
The exchange may be carried out in these potentially explosive atmospheres.