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