Cummins-Onan KY error code 37 (KY)
Invalid Generator Set Configuration - the genset configuration is preprogrammed at the factory; an invalid configuration was detected.
What to check, and in what order, is in the app. A step-by-step flow walks this code 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
Related codes
- 27 (KY)Voltage Sense — the control is unable to sense output voltage.
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- 38 (KY)Over Current (Field Overload) — low power-factor loads.
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- 43 (KY)Processor — a microprocessor RAM error occurred during self-test.