Cummins/Onan — Troubleshoot − Starts But Stops When Switch Released
Testing & diagnosis · DC control system
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan HDKA
Procedure
- Check oil level
- Check oil pressure switch
- Check engine speed
- Perform checks in step 01
- Check CB12 fault breaker
- Check K12 relay operation
- Check DC control breaker
- Check Start/Stop switch operation
Specs & values
- SRT 00−0AB
- Step 01 time 0.5 h
- Step 02 time 1.0 h
Full service-parts list: Cummins/Onan HDKA →
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.