HomeRepair guidesreplace the inverter.

Cummins/Onan HDZAA — replace the inverter.

For the Cummins/Onan HDZAA.

Applies to: Cummins Onan Hdzaa

Procedure

  1. Measure current draw. If it is greater than 32
  2. If the generator set shuts down on ’Overload’
  3. Ensure stator is not damaged and has no
  4. Check that the engine stop lever is in its vertical
  5. Reduce Loads: Disconnect AC output leads
  6. Check Fuel Flow: Verify fuel flow from lift pump
  7. Check air flow (intake,exhaust) for restrictions:

Source: manual:983-0502 Onan HDZAA (spec A-B) Diesel Genset Service manual (06-2010).pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.