i53
AEG
Motor Control Feedback / Triac Error
Dishwasher shows i53 and may behave erratically with motor-related functions.
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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
Intermittent short in circulation pump, Loose wiring harness to motor, Failing main control board on AEG dishwasher
How to Fix / Troubleshooting
Safety first: Unplug the appliance before removing panels.
- Inspect wiring harness: Check the cable bundle from the main control board (usually in the door) down to the circulation pump. Look for pinched, cut, or burnt wires.
- Check connectors: Reseat the motor connector and the corresponding connector on the PCB to ensure good contact.
- Run a test cycle: After reseating, run a short program and observe whether the error reappears during wash phases.
- Component testing: If the error persists, the circulation pump or control board may be failing intermittently. Testing requires electrical measurements under load; this is best done by a professional.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board
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