5 troubleshooting, 1 basic troubleshooting flow, Troubleshooting -6 8.5.1 – Yokogawa Wireless Temperature Transmitter YTA510 User Manual

Page 57: Basic troubleshooting flow -6

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<8. Maintenance>

8-6

IM 01C50E01-01EN

Transportation of products containing lithium

batteries

Batteries used for this transmitter contain

lithium. Primary lithium batteries are regulated

in transportation by the U.S. Department

of Transportation, and are also covered by

the International Air Transport Association

(IATA), the International Civil Aviation

Organization (ICAO), and the European

Ground Transportation of Dangerous Goods

(ARD). It is the responsibility of the shipper

to ensure compliance with these or any other

local requirements. Consult current regulations

and requirements before shipping. When

transporting this transmitter with the battery

pack inserted, keep it in deep sleep mode in

order to conserve battery power. For details

on how to switch to deep sleep mode, refer to

subsection 7.3.12 “Switching to Deep Sleep

Mode.”

Procedure to replace and dispose of the

batteries of the product

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

Crossed-out dustbin symbol

NOTE

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

batteries, means they shall be sorted out and

collected as ordained in ANNEXII in DIRECTIVE

2006/66/EC

Procedure to remove the batteries safely

Refer to subsection 8.4.4 “Replacing the

Battery Pack” and subsection 8.4.5 “Replacing

the Batteries.”

8.5 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.

8.5.1 Basic Troubleshooting Flow

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 8.5.3 for the list of alarms.

YES

NO

F0805.ai

Abnormalities appear in

measurement

Is process variable

itself abnormal?

Isolate problem in

measurement system

Check/correct

operating conditions

Check transmitter

Check/correct

environmental conditions

Environmental condition

Operation conditions

Error in measurement

system

Transmitter itself

Inspect the

process system

: Areas where self-diagnostic

offers support

Measurement

system problem

Figure 8.5

Basic Troubleshooting Flow

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