Personnel Authorized To Carry Out Repairs; Safety Instructions - Endress+Hauser Promag 400 Index C Einbauanleitung

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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)
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Safety instructions

• Check whether the spare part matches the identification label on the measuring device, as
explained on the first page.
• The spare parts set and Installation Instructions are used to replace a faulty unit with a
functioning unit of the same type.
Use genuine parts from Endress+Hauser only.
• Comply with national regulations governing mounting, electrical installation,
commissioning, maintenance and repair procedures.
• Requirements with regard to specialized technical staff for the mounting, electrical
installation, commissioning, maintenance and repair of the measuring devices:
– trained in instrument safety.
– familiar with the individual operation conditions of the devices.
– for Ex-certified measuring devices: also trained in explosion protection.
• The measuring device is energized. Danger: Risk of electric shock! Open the measuring
device in a de-energized state only.
• In the case of Ex-certified measuring devices: Only open in a de-energized state (once a
delay of 10 minutes has elapsed after switching off the power supply) or in environments
which do not have a potentially explosive atmosphere.
• In the case of measuring devices in safety-related applications in accordance with
IEC 61508 or IEC 61511: After repair recommission in accordance with Operating
Instructions. Document the repair procedure.
• Before removing the device: set the process in a safe condition and purge the pipe of
dangerous materials.
• Hot surfaces! Risk of injury! Before commencing work, allow the system and measuring
device to cool down to a touchable temperature.
• In the case of measuring devices in custody transfer, the custody transfer status no longer
applies once the lead seal has been removed.
• Follow the Operating Instructions for the device.
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Authorized repair personnel
1, 2, 3
1, 2, 3
1)
Endress+Hauser