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Section 5: Troubleshooting
5.1 Frequently Asked Questions
A) Why am I not seeing anything on the display?
• Check power connections. When the instrument powers on for the first time, it should read
“ACCUTRON” followed by the code version before entering run mode.
• Ensure that the Accutron was not damaged in any way during shipping. If this is the case, please
contact your supplier.
B) The Accutron IS powers on but I am not getting any readings.
• Make sure all cables are connected.
• Make sure both transducers are aligned and are alternately snapping (making a slight clicking
sound every second).
C) Both my transducers are not snapping, what could be the problem?
• Make sure each transducer is attached to the main unit via the cables and tightly connected.
D) Why is the auto range face-to-face value different from what I measured?
• This is not a problem. Sometimes the unit may be off by +/- 10cm. This places the incoming
waveform close to the center of the acquisition window for digital processing. Differences in
this measurement (+/- 10cm or greater) have no effect on accuracy or the reading. If the unit
does not function properly, then enter your measurement.
E) What should I set the full-scale setting to?
• We recommend setting the full-scale to twice the maximum amount expected, but you have the
option to enter whatever value you think is right.
F) Why am I getting readings that differ from what they should be?
• Re-measure the tunnel cross-sectional area and the baseline distance and verify that it matches
with the values inside the Accutron IS settings.
• Check to see if the sensors are placed on a bend or a corner. (Placing the sensors on a corner
can cause inaccuracies with the readings)
• The calibration correction, in the Advanced Menu, may be used to make any adjustments
according to a 9-point manual survey.
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