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Cummins/Onan — Exerciser Clock Programming

Operation

From a Cummins/Onan service manual — check it applies to your exact model before use.

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Procedure

  1. Press the R button to reset all memory (installation and setup only).
  2. Press the clock button.
  3. Press the h button to set the hour of the day (24-hour time).
  4. Press the m button to set the minutes of the hour.
  5. Press the 1-7 button to advance the indicator bar over the desired day number (1 = Sunday).
  6. Press the Pr button to enter the time.
  7. Press the I/O button; an 'I' appears in the upper display window for start time.
  8. Press h, m and 1-7/Q buttons to set the start hour, minute and days.
  9. Press the I/O button; an '0' appears for stop time.
  10. Press h, m and 1-7/Q buttons to set the stop hour, minute and days.
  11. Press the Pr button to enter the complete start/stop program.
  12. Repeat the procedures to enter more programs; a maximum of ten programs can be entered.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

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.

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