5
SERVICE
26
OPTIWAVE X400
www.krohne.com
06/2021 - 4006413503 - AD NEPSI OPTIWAVE x400 R03 en
5.1 Periodic maintenance
In normal operational conditions, no maintenance is necessary. If it is necessary, maintenance
must be done by approved personnel (the manufacturer or personnel approved by the
manufacturer).
5.2 Repairs
Only the manufacturer can repair the device and replace components.
5.3 Keep the device clean
Obey these instructions:
•
Keep the device clean to prevent dust contamination.
•
Do not blow dust with compressed air.
•
Clean the device with a damp cloth.
5.4 How to remove the device
The installation and removal of the device or the signal converter is a task for approved
personnel (operator, fitter, electrician etc.). If you must change the signal converter or all of the
device, refer to the procedures in the handbook.
Obey the instructions that follow:
•
De-energize the device and disconnect the electrical wires. For more data, refer to
How to
open the terminal compartment
on page 18.
•
Before you remove the device from the process connection, make sure that the tank is not
pressurized. A pressurized tank can cause injury to persons when they do work on it.
•
Make sure that all electrical wires are isolated from the ground. This is also applicable to
Protective Earth (PE), Functional Earth (FE) and equipotential bonding conductors.
INFORMATION!
For maintenance and inspection of electrical installations, refer to GB 3836.16.
DANGER!
Do not use a device with a damaged flameproof joint. Do not try to repair flameproof joints. If it is
necessary to repair a flameproof joint, speak or write to your supplier.
WARNING!
If you use a cleaning agent, make sure that it is compatible with the wetted-part materials. For
more data about these materials, refer to the handbook (technical data).
DANGER!
Ex d-approved devices:
Ex d-approved devices:
Ex d-approved devices:
Ex d-approved devices: Do not open the cover when the device is in an explosive atmosphere and
energized.
