i70
AEG
NTC Temperature Sensor Circuit Fault
Dishwasher shows i70 and may not control temperature correctly.
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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
Open or shorted NTC sensor, Loose NTC connector, Damaged wiring between NTC and control board on AEG dishwasher
How to Fix / Troubleshooting
Safety first: Disconnect mains power before accessing internal components.
- Check connector: Locate the NTC sensor in the sump or heater housing and ensure its connector is firmly attached and free of corrosion.
- Inspect wiring: Follow the sensor wires to the control board, checking for cuts or pinched sections.
- Measure resistance (advanced): Test the NTC with a multimeter at room temperature. A reading of 0 Ω (short) or infinite (open) indicates a faulty sensor that must be replaced.
- Control board: If wiring and sensor are OK, the input circuit on the main PCB may be defective and require replacement.
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Repair Difficulty
Hard
4/5
Required Part
NTC Temperature Sensor
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