E19
Hyundai Power Products
Battery Charger / Charging Circuit Fault
Generator runs but controller shows E19, battery icon may flash despite normal voltage
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed onboard battery charger, Blown charger fuse, Loose charger output wiring, Incorrect charger AC supply
How to Fix / Troubleshooting
Safety first: Isolate mains supply feeding the charger and disconnect battery negative before working on the charging circuit.
- Locate charger module: Hyundai standby generators typically have a dedicated battery charger mounted in the control compartment. Identify its AC input and DC output terminals.
- Check fuses: Inspect any inline fuses on the charger AC input and DC output. Replace blown fuses with the correct rating and investigate for shorts if they blow again.
- Measure charger output: With AC supply restored and battery connected, measure voltage at the charger output. It should be around 13.2–13.8 V for a 12 V system. If zero or very low, the charger is likely faulty.
- Inspect wiring: Ensure charger DC leads are securely connected to the battery terminals and not reversed.
- Replace charger: If no output is present with correct AC input, replace the charger with a Hyundai-approved battery charger module.
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Repair Difficulty
Medium
3/5
Required Part
Battery Charger Module
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