Endress+Hauser Liquiphant S FDL60, Functional Safety Manual

Page: 14 / 24

Liquiphant S, Nivotester
14 Hauser
Repair
Repair All repairs to the devices must be carried out by Hauser only.
Safety functions cannot be guaranteed if repairs are carried out by anybody else.
Exception:
The customer is permitted to replace the electronic insert if the member of staff responsible has been trained
by Hauser to do so.
The replaced electronic insert must be sent to Hauser for fault analysis.
Once the electronic insert has been replaced, proof-testing must be carried out.
In the event of failure of a SIL-labeled Hauser device, which has been operated in a protection
function, the "Declaration of Contamination and Cleaning" with the corresponding note "Used as SIL device in
protection system" must be enclosed when the defective device is returned. Available at:
www.de.endress.com/dekontamination.