References:
Deurenberg* P, Yap M, van Staveren WA.
Body mass index and percent body fat: a
International Journal of Obesity
WHO
Obesity: Preventing and managing the global epidemic. Report on a WHO Consultation on Obesity, Geneva,
WHO/NUT/NCD/98.1, Geneva 1998
* Paul Deurenberg, PhD
Associate Professor in Nutrition, Wageningen University,
The Netherlands
Visiting Professor University 'Tor Vergata', Rome, Italy
Nutrition Consultant in Singapore
5.TROUBLESHOOTING
5.1 Possible causes of inaccurate measurements.
Measuring postures that should be avoided Measurement in the following positions may not provide accurate measurement.
Elbows are bent. | Moving your body or arms |
| during measurement. |
Arms held at an angle, | Measuring while lying down |
either too low ot too high. | or sitting. |
How to hold the grips.
In the following cases, the electric resistance may not be measured correctly.
Your fingers are not properly gripping the electrodes.
When holding the grips, the hands are positioned unevenly towards the top or the bottom.
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5.2 Explanation of error codes |
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Error display |
| Cause |
| What to do (the next | |
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| button to push) |
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| Electrodes were not |
| Grasp the grips cor- | |
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| firmly grasped. |
| rectly and measure. | |
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| (Start button) |
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| Measurement posture |
| Measure without or | |
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| grip was not stable. |
| moving your arms. | |
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| (Start button) |
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| Hands are dry. |
| Slightly moisten | |
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| hands with a wet |
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| towel, then measure. |
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| (Start button) |
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| The values of body |
| Check the set height, | |
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| fat percentage and |
| weight, age, and | |
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| BMI are outside the |
| gender again. (Set | |
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| measurable range. |
| button) | |
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| Abnormal operation |
| Press the O/I button | |
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| again and start |
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| measurement. If this |
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| error occurs again, |
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| consult the nearest |
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| Omron dealer. |
5.3 Troubleshooting |
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Trouble |
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| What to inspect |
| How to repair |
When the O/I |
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| Are the batteries |
| Replace both |
button is |
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| worn out? |
| batteries with |
pushed, nothing |
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| new 5 ones |
is displayed. |
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| Is the battery |
| Insert the batteries |
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| polarity correct? |
| correctly. |
The value of body Is the measurement Measure again in
fat percentage posture correct? correct posture. displayed is ab-
normally high (or low).
An error (E1 to E6) | Please refer to "Explanation of Error |
is displayed and | Codes". (see above) |
the measurement |
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is impossible. |
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The results differ | Please refer to "How to Obtain a Correct |
extremely for each | Measurement" |
measurement. |
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Other conditions. Push the O/I button again and restart | |
| from the beginning |
If you are unable to obtain a correct measurement after taking the
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