Emerson Rosemount 5900S Series, Справочное руководство

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6 Service and troubleshooting
6.1 Safety messages
Instructions and procedures in this section may require special precautions to ensure the
safety of the personnel performing the operations. Information that potentially raises
safety issues is indicated by a warning symbol ( ). Refer to the following safety messages
before performing an operation preceded by this symbol.
WARNING
Failure to follow safe installation and servicing guidelines could result in death or serious
injury.
• Ensure only qualified personnel perform the installation.
• Use the equipment only as specified in this manual. Failure to do so may impair the
protection provided by the equipment.
• Do not perform any service other than those contained in this manual unless you are
qualified.
• To prevent ignition of flammable or combustible atmospheres, disconnect power
before servicing.
• Substitution of components may impair Intrinsic Safety.
Explosions could result in death or serious injury.
• Verify that the operating atmosphere of the transmitter is consistent with the
appropriate hazardous locations certifications.
• Before connecting a handheld communicator in an explosive atmosphere, ensure that
the instruments in the loop are installed in accordance with intrinsically safe or non-
incendive field wiring practices.
• Do not remove the gauge cover in explosive atmospheres when the circuit is alive.
Reference Manual Service and troubleshooting
00809-0100-5900 September 2019
Rosemount 5900S Radar Level Gauge 187