14  3M™ MicroTouch™ Controller EX USB Reference Guide 
 
3M Touch Systems, Inc. Proprietary Information -- 29489v05  
Self Test 
Condition 
LED 
Flashes 
Self  
Test 
Bit  Description 
 
What to do... 
Resistance 
Error 
15  14  Sensor resistance is out of 
supported range 
Cycle power. If fault persists, 
replace sensor. 
Backplane 
Error 
16  15  Low resistance path from 
backplane to sensor 
Cycle power. If fault persists, 
replace sensor. 
Corner Error  17  16  Corner drive offset level is 
too high 
Cycle power. If fault persists, 
replace controller. 
Fixed Cal Error  18  17  Fixed 2-point cal error high  Cycle power. If fault persists, 
replace controller. 
Note 1: this is a fatal error. 
Note 2: this error is detected by the ROM code 
Note 3: indicates that the EEPROM is not formatted when given by the ROM code 
Installing 3M™ MicroTouch™ Software 
3M™ MicroTouch™ Software includes the driver that enables your sensor to work with 
your computer. 3M Touch Systems has touch drivers for many operating systems, 
including Windows® 7, Windows® Vista, Windows®  XP, Windows® XP embedded, 
Windows® CE, and Linux® (Kernel 2.6) (refer to the website for a complete listing). 
You must be sure to install the correct software for your operating system. 
3M™ MicroTouch™ Software includes a control panel for setting your sensor 
preferences and a diagnostic utility. If you are experiencing problems with the sensor, 
you can use the diagnostic utilities provided to locate the controller and test the sensor. 
For more information on connecting your cables and installing and using the sensor 
control panel and utilities, refer to the 3M™ MicroTouch™ Software User Guides 
available on the corporate website at www.3Mtouch.com
.