2 example of troubleshooting flow, Example of troubleshooting flow -7 – Yokogawa Wireless Temperature Transmitter YTA510 User Manual

Page 58

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<8. Maintenance>

8-7

IM 01C50E01-01EN

8.5.2 Example of Troubleshooting Flow

The following shows an example of the flow for

troubleshooting.
Refer to this example and Table 8.3 “Problems,

Causes and Countermeasures” and locate

the problem and take the corresponding

countermeasure.

F0806.ai

YES

NO

Was a faulty

area found with self-

diagnosis?

The following phenomena indicate that this

instrument may be out of operation.

[Example]

• No output signal is delivered.

• Process variable changes but the output

signal remains unchanged.

• The assessed value of the process variable

and the output are not coincident.

Refer to our service personnel for details.

• If a built-in indicator is attached, check the

display of the error code.

• Connect the device configuration tool and

check self-diagnosis.

Refer to the error

message list and

check for recovery

measures.

Is the sensor

correctly connected?

Check the sensor

connection and

correct it.

NO

YES

YES

Is

the wireless device

connection correct?

Connect the

wireless devices

again.

NO

Figure 8.6 Example of Troubleshooting Flow

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