6.4 Replacing the fuse
Warning!
• Danger from electric shock! Switch off the power supply before unscrewing the
cover of the terminal compartment from the transmitter housing (see also page 27f.).
• For flowmeters with Ex approvals the guidelines in the separate Ex documentation
must be strictly followed.
6.5 Repairs
If you return a Promag 30 measuring unit to Endress+Hauser for repair, please
enclose a note giving the following information:
• Description of the application
• Description of the fault
• Chemical and physical properties of the medium measured.
Caution!
Please carry out the following before you return the Promag 30 unit for repair:
• Remove all traces of the medium still adhering.
• This is particularly important if the medium is harmful for health, i.e. caustic,
poisonous, cancerogenous, radioactive, etc. Please ensure that full handling details
i.e. “Fluid Data Sheets” are enclosed.
• We must request you not to return a unit if it is not completely certain that harmful
substances can be removed (e.g. cracks have been penetrated or substances
have diffused through plastics).
Incomplete cleaning of the instrument may result in waste disposal or cause harm to
personnel (burns, etc). Any costs arising from this will be charged to the owner of the
instrument.
Promag 30 6. Fault Location and Remedies
Endress+Hauser 49
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