24.8.6 Menu item 606 (ROM or flash test)
In this menu item the read-only memory (ROM) and the flash memory
are checked.
Display:
on the left: Calculated checksum
on the right: 1 = Memory OK
0 = Memory not OK
–
Quit the menu item with key “ESC”.
24.8.7 Menu item 607 (RAM-Test)
In this menu item the working memory (RAM) is checked.
r1 or r2 = 1 = Working memory works faultlessly
r1 or r2 = 0 = Error in the working memory
–
Quit the menu item with key “ESC”.
24.8.8 Menu item 608 (Moving to the reference position)
In this menu the it is possible to s tart a reference run.
This testing program is particularly helpful for the setting of the sewing
machine.
Caution: Danger of injury !
Exercise utmost caution when setting the machine.
24.8.9 Menu item 611 (Breakpoint)
With the aid of the testing program, the switching order of the valves
can be checked.
This testing program is particularly helpful for the setting of the thread
catcher and the thread trimming systems because one can see
precisely how the individual components lie in regard to the needle
thread, looper thread and the gimp.
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