Goals and Symptoms

Error 0Ptr (0Ptr = zero-pointer) occurs on the diplay of the LXM32 servo drive when modulo axis mode is in use.
Version of the operating system PR912.00 V 01.01.25

Causes and Fixes

The 0Ptr (zero-pointer) fault occurs when the parameter settings for
the MODULO mode are wrong and the version of the operating system
is 01.01.25

- Bug description:
RB: Fix 0 pointer problem if in modulo axis mode. If modulo range
min/max is outside min/max user position range then after reboot this
error was detected but following necessary inits of pointers were not
executed which leads to a 0 pointer problem during component start
phase.

- This bug is solved with version >= 1.02.04.
So you have to flash the newest version 01.02.05
( see attachment, there you´ll find the

- How to flash the controller

For flashing the controller have to set it to the Bootloader

1.) Switch off the device
2.) Press the bottons ENTER and ESC and hold them pressed
3.) Switch on the device (still hold the buttons pressed)
4.) In the display occurs " - - - - " -> let loose the buttons
5.) Flash the new firmware version with the flashtool

- Remark:
When there are problems with flashing in the Bootloader please use a NUDAM converter
or the TCSMCNAM3M002P from Schneider.