Cummins/Onan — Erase (Clear) a Program
Operation · Exerciser/change-over clock
From a Cummins/Onan service manual — check it applies to your exact model before use.
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Procedure
- Press (Menu) once; if PROG is flashing, press (OK).
- Press (+) once to make MODIFY flash; press (OK).
- Press (-)/(+) until DEL ONE or DEL ALL is flashing; press (OK).
- For DEL ONE, press (-)/(+) until the desired program and the word DELETE flash; press (OK).
- For DEL ALL, press (OK); the LCD returns to the PROG menu and all saved programs are deleted.
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.