5 troubleshooting, 1 basic troubleshooting, Troubleshooting -8 9.5.1 – Yokogawa EJX530B User Manual

Page 67: Basic troubleshooting -8, Caution

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<9. Maintenance>

9-8

IM 01C27F01-01EN

■ How to replace and dispose of the

batteries:

This is an explanation about the new EU Battery

Directive (DIRECTIVE 2006/66/EC).

This directive is only valid in the EU.

Batteries are used for this product.

When you remove batteries from this product and

dispose them, discard them in accordance with

domestic law concerning disposal.

Take a right action on waste batteries because the

collection system in the EU on waste batteries are

regulated.

Battery type: Primary lithium-thionyl chloride battery

CAUTION

The symbol (see above), which is marked on the

batteries, means they shall be sorted out and

collected as ordained in ANNEX II in DIRECTIVE

2006/66/EC.

■ Procedure to remove the batteries safely:
Refer to subsection 9.4.5 “Replacing the Battery

Pack” and subsection 9.4.6 “Replacing the

Batteries.”

9.5 Troubleshooting

If any abnormality appears in the measured values,

use the troubleshooting flow chart below to isolate

and remedy the problem. Since some problems

have complex causes, these flow charts may

not identify all. If you have difficulty isolating or

correcting a problem, contact Yokogawa service

personnel.

9.5.1 Basic Troubleshooting

First determine whether the process variable

is actually abnormal or a problem exists in the

measurement system.
If the problem is in the measurement system,

isolate the problem and decide what corrective

action to take.

This transmitter is equipped with a self-diagnostic

function which will be useful in troubleshooting,

and the transmitter equipped with an integral

indicator will show an alarm code as a result of self-

diagnosis.

See subsection 9.5.3 for the list of alarms.

Abnormalities appear in measurement.

: Areas where self-diagnostic offers support

Is process variable

itself abnormal?

Inspect the

process system.

Isolate problem in

measurement system.

Does problem exist in

receiving instrument?

Check/correct

environmental conditions.

Inspect receiver.

Check transmitter.

Check/correct operating

conditions.

Measurement system problem

F0906.ai

YES

NO

NO

YES

Environmental conditions

Operating conditions

Transmitter itself

Figure 9.6

Basic Flow and Self-Diagnostics

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