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