EA01164D
Endress+Hauser 7
• Risk of damaging the electronic components! Ensure you have a working environment
protected from electrostatic discharge.
• After removing the electronics compartment cover: risk of electrical shock due to missing
touch protection!
Turn the measuring device off before removing internal covers.
• Only open the housing for a brief period. Avoid the penetration of foreign bodies, moisture
or contaminants.
• Replace defect seals only with original seals from Endress+Hauser.
• If threads are damaged or defective, the measuring device must be repaired.
• Threads (e.g. of the electronics compartment cover and connection compartment cover)
must be lubricated if an abrasion-proof dry lubricant is not available. Use acid-free, non-
hardening lubricant.
• If, during modification, spacing is reduced or the dielectric strength of the measuring device
cannot be guaranteed, perform a test on completion of the work (e.g. high-voltage test in
accordance with the manufacturer's instructions).
• Service plug:
– Do not connect in explosive atmospheres.
– Only connect to Endress+Hauser service devices.
• Observe the instructions for transporting and returning the device outlined in the Operating
Instructions.
If you have any questions, please contact your Endress+Hauser service organization.
6 Symbols used
6.1 Symbols for certain types of information
Symbol Meaning
Permitted
Procedures, processes or actions that are permitted.
Forbidden
Procedures, processes or actions that are forbidden.
Tip
Indicates additional information.
,
,
… Series of steps
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