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Chapter 7 Troubleshooting
58 BMTK-SVN01D-EN
Table 13. Main logic board service pin buttons and jumper
Service pin buttons/jumper Function
S1 This service pin is the reset button. Pressing S1 reboots the controller. It starts the
same operation as does rebooting the controller from either the controller or the PC
software. All RAM data is permanently lost.
Note: Before pressing this button, attempt to restart the controller by cycling power; this method
retains the RAM image.
S2 Momentarily pressing this service pin button causes the controller to broadcast
Neuron ID and Program ID. This action also turns on LED9.
J1 This jumper is for factory use only. It must always remain in place. If removed, the
backup capacitor will not charge and data may be lost if power is lost.