AEG Dishwasher Error = No lights lit
PROBLEM = Dishwasher has no power.
Check/Troubleshoot/Replace = Check that the dishwasher is turned on, check main power, check fuse. Possible control board or wiring problem.
AEG Dishwasher Error = 1st light flashing
PROBLEM = Dishwasher not filled completely with water.
What To Check = Why is My Dishwasher Not Filling With Water?
AEG Dishwasher Error = 2nd light flashing
PROBLEM = Pressure switch/sensor not detecting water.
Check/Troubleshoot/Replace = Check for water leaks, check that filter isn’t clogged.
AEG Dishwasher Error = 3rd light flashing
PROBLEM = Temperature sensor error detected the water is too hot or too cold.
Check/Troubleshoot/Replace = Bad thermostat.
AEG Dishwasher Error = 4th light flashing
PROBLEM = Water not reaching proper temperature.
What To Check = Why is Dishwasher Not Heating Water?
AEG Dishwasher Error = 5th light flashing
PROBLEM = Dishwasher not draining.
What To Check = Why is dishwasher not draining?
AEG Dishwasher Error = 4th and 5th lights flashing
PROBLEM = The dishwasher motor is blocked.
Check/Troubleshoot/Replace = Power supply problem, wiring fault, dishwasher pump jammed.
AEG Dishwasher Error Code 10
PROBLEM = Dishwasher not filling with water.
What To Check = Why is My Dishwasher Not Filling With Water?
AEG Dishwasher Error Code 20
PROBLEM = Dishwasher not draining.
What To Check = Why is My Dishwasher Not Draining?
AEG Dishwasher Error Code 30
PROBLEM = Anti flood protection has been activated.
Check/Troubleshoot/Replace = Leak, check the base of the dishwasher for leakage.