Emerson 5081-T instruction manual Systematic Troubleshooting, Troubleshooting Flow Chart

MODEL 5081-T	SECTION 10.0
	DIAGNOSIS AND TROUBLESHOOTING

10.5 SYSTEMATIC TROUBLESHOOTING

If the Quick Troubleshooting Guide does not resolve the error, try the step-by-step approach offered in Figure 10-4.

Step 1 Follow the troubleshooting flow chart.

Step 2 Refer to the tests and instructions indicated by the flow chart to diagnose the problem.

NOTE:

Before starting this procedure make sure that all wiring is correct.

NO

Conductivity Measurement

Problem (in the process)

Remove the sensor from process and place sensor in air. Zero instru- ment. Refer to Section 5.3 & 5.4.

OK?

YES

NOTE:

This step is for normal contact- ing only, not for low conductivity or resistivity.

Place sensor in process and

standardize. Refer to Section 5.3.

		YES
		OK?
		NO
Check diagnostic
messages	Remove sensor from process and test in known
Refer to Table 10-2	conductivity solution or against a certified
		conductivity instrument
Check wiring	NO	YES
for short		OK?
Consult		YES
Service Center

Restart

Transmitter

Check for ground

loops and/or

improper installation

NO

Does problem

still exist?

FIGURE 10-4. Troubleshooting Flow Chart

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