Reference Manual
00809-0100-4690, Rev FC
June 2011
Rosemount 2088 and 2090
www.rosemount.com
Section 5 Troubleshooting
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 5-1
Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 5-1
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 5-1
Diagnostic Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 5-3
Disassembly Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . page 5-8
Reassembly Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . page 5-9
OVERVIEW Table 5-1 provides summarized maintenance and troubleshooting suggestions for
the most common operating problems.
If you suspect malfunction despite the absence of any diagnostic messages on
the Field Communicator display, consider using Table 5-1 on page 5-2 to identify
any potential problem.
SAFETY MESSAGES Procedures and instructions in this section may require special precautions to
ensure the safety of the personnel performing the operations. Information that
raises potential safety issues is indicated by a warning ( ). Refer to the following
safety messages before performing an operation preceded by this symbol.
WARNINGS
Explosions could result in death or serious injury:
Installation of this transmitter in an explosive environment must be in accordance with
the appropriate local, national, and international standards, codes, and practices.
Please review the approvals section of the reference manual for any restrictions
associated with a safe installation.
• Before connecting a Field Communicator in an explosive atmosphere, ensure
the instruments in the loop are installed in accordance with intrinsically safe or
non-incendive field wiring practices.
• In an Explosion-Proof/Flameproof installation, do not remove the transmitter
covers when power is applied to the unit.
Process leaks may cause harm or result in death.
• Install and tighten process connectors before applying pressure.
Electrical shock can result in death or serious injury.
• Avoid contact with the leads and terminals. High voltage that may be present
on leads can cause electrical shock.
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