Cummins/Onan — Password Entry (Adjust Submenu)
Operation · Control
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan DFE, Cummins/Onan DFEJ, Cummins/Onan DFEK, Cummins/Onan QSX15 engine
Procedure
- Display Adjust submenu.
- Press either + or – button within submenu. Password menu appears if adjustment requires password.
- Press + and – buttons to select first character of User password.
- Press → button to select next character field.
- Repeat steps 3 and 4 to enter remaining password characters.
- Press Enter button after entering password. Adjust submenu reappears.
- Exit Adjust submenu to save changes.
Full service-parts list: Cummins/Onan DFE →, Cummins/Onan DFEJ →, Cummins/Onan DFEK →
Source: Cummins/Onan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.