Cummins/Onan — Troubleshoot − Coolant Temp Above Normal
Testing & diagnosis · Cooling system
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan HDKA
Procedure
- Check coolant level
- Check high engine temp switch
- Check fault breaker
Specs & values
- SRT 00−014
- Standard Repair Time 0.5 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.