Duerkopp Adler 530 Operating Instructions Manual page 60

58
RAM test
With this test function the main memory (SRAM and program data
memory) is checked.
–
Start test function with the "OK" key .
The display shows the test result.
Display
SRAM OK
SRAM ERROR
NV-RAM OK
NV-RAM ERROR
–
Press function key "ESC".
The test is finished.
The menu Multitest appears on the display.
Explanation
Main memory works perfectly
Error in the main memory
Program data memory is in order
Error in the program data memory