E19
AEG Low Voltage or Power Supply Regulation Fault

E19 appears and the unit may randomly restart or shut down during use.

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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

Failing low-voltage power supply on PCB, Loose internal power connectors, Degraded electrolytic capacitors, Intermittent mains supply

How to Fix / Troubleshooting

Safety first: Unplug the carpet cleaner before opening the housing. Capacitors can retain charge; discharge safely if required.

  • Check mains supply: Try a different outlet and avoid using long extension leads that may cause voltage drop.
  • Inspect internal connectors: Open the unit and check all power connectors from the mains input to the PCB and from the PCB to motors and pumps. Reseat any loose plugs.
  • Visual PCB inspection: Look for bulging or leaking electrolytic capacitors on the low-voltage section of the PCB. Replace the PCB if components are visibly damaged.
  • Measure low-voltage rails: If you have the skills and tools, measure the DC output voltages from the power supply section and compare with AEG specifications. Unstable or low readings indicate a failing board.

Because this involves live-voltage electronics, non-professionals should seek help from an authorized AEG technician.

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Repair Difficulty

Professional Required 5/5

Required Part

Power Supply PCB
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