Cummins-Onan KY error code 29 (KY)
Battery voltage >19 V
What to check, and in what order, is in the app. The flow Onan KY MicroLite/MicroQuiet 4000 — generator won't crank or fault code displayed walks this code step by step with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
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- Onan RV Generator Set KY Operator ManualCummins-Onan
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