Yokogawa DAQWORX - Manual (Page 203)

11-1 IM WX102-01E
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Index
T
roubleshooting
11.1 Troubleshooting
If a message appears on the screen, refer to paragraph 11.2 on page 11-2.
Problem Probable Cause/Corrective Action
The DA100/DC100/DR//DS does not turn ON.
The DA100’s status lamp does not turn ON.
The power supply is out of the ratings.
Use an appropriate power supply.
The DA100’s status lamp is blinking at
one-second intervals. The communication module is not installed properly.
Install the communication module properly.
The DA100’s status lamp is blinking at an interval
other than one-second interval. Internal error has occurred. Restart the DA100.
A connected subunit is not recognized. The subunit is turned OFF. Turn the subunit ON.
The extension cable is not connected properly to the subunit.
Connect the extension cable properly.
A connected module is not recognized. The module is not connected properly.
Connect the module properly.
The measured value is not correct. The input signal does not satisfy the specifications. Check the input
specifications.
The measurement mode is not correct. Change to an appropriate
measurement mode.
The measurement range, span, and scale settings are not correct.
Change the settings to the correct values.
Noise is affecting the measurement. Take measures to cut the noise.
The reference junction compensation is not correct.
Set the reference junction compensation correctly.
The ambient temperature is outside the allowed range.
Set the ambient temperature within the allowed range.
Cannot communicate properly. The PC is in the power-saving or standby mode. Do not use the power-
saving or standby mode.
Using a screen saver. Do not use a screen saver.
Communication settings are not correct. Check the switch settings on the
communication module and check using the Software Configurator.
Communication is established, but fails to
operate. The DA100, DC100, or DR was turned OFF or the cable was
disconnected while the communication was in progress.
If the DA100, DC100, or DR is turned OFF or the network is disconnected
while transferring setup data over the Ethernet, the timeout takes
approximately three minutes.
If the DA100, DC100, or DR is turned OFF or the network is disconnected
while receiving data with the logger software, the timeout can take several
hours.
Chapter 11 Troubleshooting