E19
Kipor
Mains Voltage Sense Fault / Utility Monitoring Error
Kipor standby generator shows E19 and refuses to start in AUTO mode, but may start manually
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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
Incorrect mains sensing wiring to controller, Blown fuse in mains sensing circuit, Faulty voltage sensing transformer, Controller configuration error for mains voltage
How to Fix / Troubleshooting
Safety first: Utility voltage is dangerous. Only qualified electricians should work on mains sensing circuits.
- Step 1 – Verify wiring: Compare the mains sensing connections at the Kipor controller to the wiring diagram. Ensure the correct phases and neutral are connected to the sensing inputs.
- Step 2 – Check fuses: Some systems use small fuses or resistors in the sensing circuit. Inspect and replace any open components.
- Step 3 – Test sensing transformer: If a voltage sensing transformer (VT) is used, measure its primary and secondary voltages. Replace if the secondary is dead with a live primary.
- Step 4 – Confirm configuration: In the controller settings, verify that the mains nominal voltage and phase configuration match the actual utility supply.
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Repair Difficulty
Professional Required
5/5
Required Part
Mains Voltage Sensing Transformer
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