12 TROUBLESHOOTING AquaLab
Moisture content has not been activated.
1. Toggle to menu tab, select moisture content, and select the
appropriate model.
(a) If no models appear in moisture content screen, reload
models using AquaLink 4.
(b) If moisture content is not an active selection, the DUO
feature may not be active. Content Decagon Devices to
learn how to activate the DUO feature.
14. DUO PROBLEM:
Message on the screen displays no moisture content reading.
SOLUTION:
1. When a moisture content reading is not shown, the water ac-
tivity or temperature for that reading is beyond the scope of
the moisture sorption isotherm. This can happen under the
conditions a or b.
(a) The isotherm equation calculates a moisture content that
is less than 0% or greater than 100% with the given water
activity.
(b) The control temperature is significantly different than the
isotherm temperature. Make sure that the sample wa-
ter activity and the instrument controlling temperature
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