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Cummins/Onan — Overspeed test

Testing & diagnosis · FPDP

From a Cummins/Onan owner's manual covering: CFP-015, CFP11E, CFP15E, CFP23E, CFP30E, CFP50, CFP59, CFP5E, CFP60E, CFP7E, CFP83, CFP83-F10…. Check it applies to your exact model before use.

Applies to: Cummins/Onan CFP23E, Cummins/Onan CFP83-F10, Cummins/Onan CFP83 engine

Procedure

  1. From the User Interface screen press the MENU soft key.
  2. Press the OVERSPEED TEST soft key from the Settings Menu.
  3. Press the RUN soft button.
  4. When the dialog box appears, proceed with the test and select Yes.
  5. When the timer expires, ENGINE OVERSPEED flashing in red appears at the top of the FPDP screen.
  6. The engine will enter MANUAL mode until reset.
  7. Press the RESET/STOP switch on the FPDP to reset the fire pump drive engine.

Specs & values

  • Overspeed shutdown at 115% of configured rated speed

Full service-parts list: Cummins/Onan CFP23E →, Cummins/Onan CFP83-F10 →

Source: Cummins/Onan owner's 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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