Personnel Authorized To Carry Out Repairs; Safety Instructions - Endress+Hauser Prosonic Flow 500 Installationsanleitung

3

Personnel authorized to carry out repairs

Authorization to carry out repairs depends on the measuring device' s approval type. The table
below shows the authorized group of people in each case.
Whoever carries out the repairs has full responsibility to ensure that work is carried out
safely and to the required quality standard. He/she must also guarantee the safety of the
device following repair.
Measuring device approval
Without approval
With approval (e.g. IECEx)
1) 1 = Qualified specialist on customer side, 2 = Service technician authorized by Endress+Hauser,
3 = Endress+Hauser (return measuring device to manufacturer)
4

Safety instructions

• Check whether the spare part matches the identification labeling on the measuring device,
as described on the cover page.
• The spare part set and the Installation Instructions are used to replace a defective unit with
a functioning unit of the same type.
Only use original parts from Endress+Hauser.
• Comply with national regulations regarding mounting, electrical installation,
commissioning, maintenance and repair.
• The following requirements must be met with regard to specialized technical staff for the
mounting, electrical installation, commissioning, maintenance and repair of the measuring
devices:
• Specialized technical staff must be trained in instrument safety.
• They must be familiar with the individual operating conditions of the devices.
• In the case of Ex-certified measuring devices, they must also be trained in explosion
protection.
• The measuring device is energized! Risk of fatal injury from electric shock. Open the
measuring device only when the device is de-energized.
• For measuring devices intended for use in hazardous locations, please observe the
guidelines in the Ex documentation (XA).
• For measuring devices in safety-related applications in accordance with IEC 61508 or
IEC 61511: following repair, re-commission the device in accordance with the Operating
Instructions. Document the repair.
• Before removing the device: set the process to a safe state and purge the pipe of dangerous
process substances.
• Danger of burns due to heated surfaces! Before commencing work: allow the system and
measuring device to cool down to a touchable temperature.
• In the case of devices in custody transfer, the custody transfer status no longer applies once
the seal has been removed.
• The Operating Instructions for the device must be followed.
Endress+Hauser
Personnel authorized to perform repairs
1, 2, 3
2, 3
EA01335D
1)
5