5-1
MODEL 54 C SECTION 5
DIAGNOSTICS AND TROUBLESHOOTING
SECTION 5.0
DIAGNOSTICS AND TROUBLESHOOTING
The MODEL 54 Conductivity Analyzer automatically
searches for fault conditions that would cause an error
in the measured reading. If such a condition occurs,
the current outputs and relays will act as configured in
Section 3.4
and Section 3.5, the red “FAIL” LED on the
front will illuminate and the display will flash a diag-
nostic message.If more than one fault exists, the dis-
play will sequence through the diagnostic messages.
This will continue until the cause of the fault has been
corrected.
Troubleshooting is easy as 1, 2, 3 . . .
Step 1 Look for a diagnostic fault message, on the
display, to help pinpoint the problem. Refer
to Table 5-1 for an explanation of the mes-
sage and a list of the possible problems that
triggered it.
Step 2 Refer to the Quick Troubleshooting Guide,
T
able 5-2, for common conductivity loop
problems and the recommended actions to
resolve them.
Step 3 Follow the step by step troubleshooting
approach, offered in Section 5.3
and
Section 5.4
, to diagnose less common or
more complex problems.
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