Programming
Service Instructions 755 A/756 A - 00.0 - 02/2019 403
Multi test
Important
The Multi test menu is protected with a password. You use this menu
to check the basic machine functions. The password is 25483.
 The display switches to Multi test.
Fig. 370: Multitest
Symbols Meaning
A press on the button will bring up a list.
• The last 10 error messages
• Date of the error
• Time of the error
 p. 404
Test inputs and outputs  p. 405
Display of the internal devices  p. 408
Test the working memory RAM  p. 409
Display of the external devices  p. 410
Test the read-only memory ROM  p. 411
Sewing drive test  p. 412
PWM test  p. 414
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