Maintenance
Regular checks
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LDCDS−ELx7xx DE/EN 4.0
7.1 Regular checks
The device is free of maintenance. Nevertheless, visual inspections should be carried out
at regular intervals which must not be too long, depending on the ambient conditions.
Please check the following:
ƒ Does the environment of the device meet the operating conditions specified in the
Technical data?
ƒ Is the heat dissipation of the device not impeded by dust or dirt?
ƒ Are the mechanical and electrical connections o.k.?
7.2 Cleaning
Stop!
Sensitive surfaces and components
The device can be damaged if it is not appropriately cleaned.
Possible consequences:
ƒ The housing and in particular the screen gets scratched or dull if you use
alcoholic, solvent−containing or scouring cleaning agents.
ƒ The electrical components are damaged if humidity enters the housing.
Protective measures:
ƒ Switch off the device before cleaning.
ƒ Only use an approved TFT screen cleaner as cleaning agent for the screen,
and for the housing a standard household cleaning agent.
ƒ First spray or drizzle the cleaning agent on a clean, soft cloth and then wipe
over the screen or the housing surface.
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