26
Troubleshooting Thermal Printer
Troubleshooting USB to Serial Adapter
Updating USB to Serial Adapter Drivers
If the CD included with the USB to Serial adapter does not provide the correct
drivers for your operating system, or to check whether newer drivers are
available, visit the adapter manufacturer’s website and download the latest
drivers for your operating system.
For the recommended USB to Serial RS-232 Adapter (IOGEAR Model GUC232A,
Sun Nuclear P/N 850029), go to the IOGEAR website (www.iogear.com) and
download the latest drivers using the following steps.
1 Click Support link and then select Drivers/Manuals.
2 In ‘Search for your product’ box, select Driver radio button and type
GUC232A in text box. A link to driver is displayed.
Yellow LED flashing
continuously
Model 1027 has failed. Contact Sun Nuclear.
HV OFF LED on
continuously
High Voltage supply is off. Model 1027 has
failed.
Contact Sun Nuclear.
Problem Probable Cause Recommended Action
Printed report has
only a partial report
Printer was not READY when PRINT button
was pressed.
Re-print report.
Printed report too
light
Thermal printer paper is too old or exposed
to sunlight.
Replace thermal
printer paper.
Indication Probable Cause Remedy
Can’t find manufacturer’s
CD or drivers
Lost or discarded Download from manufacturer’s
website
Yellow exclamation point
or question mark next to
USB to Serial Adapter in
Device Manager
Incorrect installation Reinstall drivers per manufacturer’s
recommendations.
Warning message that
Com port is in use
Conflict with another
serial device
Disconnect the other serial device;
disable HotSync or ActiveSync;
reinstall USB to Serial Adapter.
Installation assigns Com
port to number higher than
4
Other serial devices
installed
Un-install one serial device installed in
Com ports 1 through 4 and reinstall
USB to Serial Adapter.
Radon Monitor software
does not download data
Wrong Com port
selected
Select correct Com port.
Data not sent from
Model 1027
Select Get Data on menu, press AVG
and CUR buttons on Model 1027
simultaneously, release when yellow
LED solid; press PRINT button when
LED is flashing.
Problem Probable Cause Recommended Action
To Next Page
Loading...