Access Sensor Technologies UPAS User Guide 59
Correcting an Incorrect UPAS Serial ID
There is a known issue where the UPAS may forget its serial ID, and rename itself
with a wrong ID. This error is recognized by the UPAS presenting the wrong ID to
the mobile device, as seen in both the device Bluetooth menu and within the
UPAS App.
The wrong ID is typically either all zeros (e.g., PS0000) or a high, four-digit value
(e.g. PS4299, etc). It can also appear as something like MS(+0, etc. If the UPAS in
question has been previously paired to the mobile device, the pairing remains –
but the serial ID changed (i.e. there is no need to re-pair). The ID can be easily
reset via the following procedure:
1 Connect to that UPAS with the incorrect ID via the App.
2 Enter the actual correct ID numerical value only in the sample name field
followed by ‘~’. (For example, enter PS0166 as 0166~, without quotes).
3 Power the unit down, and then back up again.
4 Close and re-open the App on the mobile device.
5 Use the App to see if the serial ID was actually corrected (i.e. look for the
correct Device ID). If the correct ID is now listed in the App, the serial ID
correction is complete. If it is not correct, continue to step 6.
6 Through the App, connect to the wrong ID UPAS one more time. Upon
connection you should see the serial ID change immediately to the correct
value. At that point the change is completed. The UPAS shows up in both
the device Bluetooth menu and App correctly in the future (the wrong ID
has now finally been changed to the correct value).
UPAS shuts down immediately after starting a new sample run
If the UPAS never proceeds past a red light after a sample run has been started,
it shuts down after 2 minutes. This means that the UPAS is failing to reach flow
control. If a normal log was selected during setup via the App, the log file written
to the microSD card only contains header information and no lines of sequential
log data. If a Debug log was selected, the log file contains some lines of log data
before the shutdown occurred. This data can be useful in determining the
reason for the fault. Please contact Access Sensor Technologies technical
support via Email to:
support@accsenors.com
.
UPAS Not Writing Log Files to the microSD Card
If the UPAS fails to write any log file to the microSD card, the microSD card is
likely damaged and needs to be replaced. Replace the card with a new one of any
Speed Class designation and memory capacity/size. There is no special
formatting required – the new card can be immediately installed.
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