Nematron Pointe Controller - Manual (Page 232)

Chapter 9: Troubleshooting Pointe Controller User Guide
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9.2 Hardware Reset
In some cases, it may be necessary to perform a full hardware reset on the Pointe
Controller unit. This will bypass any password set on the controller, reset the IP
address and node name settings to factory defaults, and erase any control
program currently saved in flash memory.
The reset is performed by powering off the controller, turning the Modbus
address switches to “99,” and powering on the controller. Upon startup, the
controller will detect the new address and immediately reset itself. After that,
you can reconfigure the controller as if it was brand new. (See Chapter 2, “Initial
Setup,” starting on page 22.)
To get to the address switches, you must first remove the end cover from the base
unit. To do this, simply squeeze the latching tabs, shown in the figure below, and
lift the cover off.
Removing the end cover will expose the base motherboard. The address switches
will be found near the connector for slot 0. To set the address, rotate both
switches to the “9” position. A small flat blade screwdriver is the only tool you
need.