Cummins/Onan HDZAA — Installation Manual).

For the Cummins/Onan HDZAA.

Applies to: Cummins Onan Hdzaa

Procedure

1. If engine appears to be cooling properly, re-
2. f there is a short to ground when the generator
3. Check wiring for shorts to ground and repair as
4. If the low oil pressure and high oil temperature
5. The Operator Panel in the vehicle must be able
6. Without power from the PMA auxiliary windings
7. Faulty inverter.
8. Disconnect the vehicle AC wiring from the gen-
9. Check for open wiring, shorts to ground, and
10. Check for open wiring to ground and bad
11. Check for open wiring, shorts to ground, and
12. Check for open wiring, shorts to ground, and
13. Check PMA winding connections to the internal
14. Replace a faulty inverter.
15. 3
16. Reduce loads.
17. Verify that the inverter heat sink is clean and
18. After allowing generator and inverter too cool,

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.