Cummins/Onan — Setting Local Time
Operation · EC-30 display
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan HDKA, Cummins/Onan HDKB, Cummins/Onan HDKC
Procedure
- Press the SET key and use the UP/DOWN key to change the time; the display flashes and the hour digit is underlined.
- Set the hour value and wait about four seconds for the underline to move to the right.
- Set the tens digit, wait again to set the minutes digit.
- Press ENTER to store the new value.
Full service-parts list: Cummins/Onan HDKA →, Cummins/Onan HDKB →, Cummins/Onan HDKC →
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.