Section
5-1
5 Troubleshooting
and Maintenance
This section describes troubleshooting and maintenance tasks
associated with the Model 3095 Level Controller. These include
Level Controller device maintenance procedures and field
replaceable part procedures.
Use only the procedures and new parts specifically referenced
in this manual.
SAFETY MESSAGES
Instructions and procedures 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 symbol ( ). Please refer to the following safety messages
before performing an operation preceded by this symbol.
Explosions could result in death or serious injury:
• Do not remove the instrument cover in explosive atmospheres when the
circuit is alive.
• Before connecting a HART-based communicator in an explosive atmosphere,
make sure the instruments in the loop are installed in accordance with
intrinsically safe or non-incendive field wiring practices.
• Both controller covers must be fully engaged to meet
explosion-proof requirements.
• The unused conduit opening on the controller housing must be plugged and
sealed to meet explosion-proof requirements.
Failure to follow safe installation and servicing guidelines could result in death or
serious injury:
• Make sure only qualified personnel perform these procedures.
• Use the equipment only as specified in this manual. Failure to do so may impair
the protection provided by the equipment.
• Unauthorized procedures or parts can affect product performance and the output
signal used to control a process, and may render the instrument dangerous.
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