AEG Dishwasher Displays an Error Code – Causes and Solutions

Issue

If your AEG dishwasher displays an error code, shows an "i" code followed by numbers, emits beeps, or flashes warning LEDs, the dishwasher has detected a specific operating fault and is attempting to identify the affected system.

AEG dishwashers use advanced electronic diagnostics to monitor functions such as water intake, drainage, leak protection, water level sensing, circulation, and heating. When an abnormal operating condition is detected, the dishwasher stops the programme and displays an error code to help identify the root cause.

Typical signs:

  • The dishwasher displays an error code beginning with "i"
  • The dishwasher stops during a wash cycle
  • The dishwasher emits repeated beeps
  • Warning lights flash in a specific pattern
  • The dishwasher does not fill with water
  • The dishwasher does not drain or complete the programme

Applies to

  • AEG Dishwashers

Resolution

Start by identifying the error code displayed on your dishwasher. In many cases, the code indicates which system requires attention and can help determine whether the issue can be resolved without service.

Error code i10, i11, AL5, C1 or 1 beep

Water inlet problem.

The dishwasher is not detecting a sufficient water supply.

See: AEG dishwasher displays error code i10, i11, AL5, C1, beeps once, or the warning light flashes once

Error code i20, C2, F2, AL6 or 2 beeps

Draining problem.

The dishwasher is unable to remove water from the tub within the expected time.

See: AEG dishwasher displays error code i20, C2, F2 or AL6, or beeps twice, not draining

Error code i30 or 3 beeps

Water leak detected.

The anti-flood protection system has detected water in the appliance base.

See: AEG dishwasher displays error code i30, beeps 3 times, or the warning light flashes 3 times

Error code i40, i43, i44 or 4 beeps

Pressure sensor problem.

The dishwasher is unable to accurately measure the water level.

See: AEG dishwasher displays error code i40, i43 or i44

Error code i50

Wash motor or circulation pump fault.

The electronic control system has detected an abnormal operating condition within the motor drive circuit.

See: AEG dishwasher displays error code i50

Error code i60, i61, i69 or i6C

Heating system fault.

The dishwasher is unable to heat the water correctly or detect the expected temperature increase.

See: AEG dishwasher displays error code i60, i61, i69 or i6C

Error code iF0, iFo or iF1

Water level control problem.

The dishwasher is detecting an incorrect fill level or abnormal water level conditions.

See: AEG dishwasher displays error code iF0, iFo or iF1

If your error code is not listed

Use the search function on the AEG Support website to locate the specific article for your error code or symptom.

Important

Error codes are designed to assist diagnosis and do not always indicate a component failure. In some cases, the dishwasher may display a fault code due to temporary operating conditions such as insufficient water pressure, blocked filters, drainage restrictions, or interruptions to the power supply.

Always note the complete error code before troubleshooting or contacting service.

When Is It a Genuine Fault?

There may be a fault with the dishwasher if:

  • The same error code returns repeatedly after troubleshooting
  • The dishwasher cannot complete any programme
  • The error occurs immediately after switching on
  • Water leaks from the dishwasher
  • The dishwasher fails to heat, fill, drain, or circulate water correctly
  • The dishwasher displays multiple error codes

In these situations, there may be a fault with the electronic control system, sensors, pumps, heating components, or associated wiring.

Book a repair

If your AEG dishwasher continues to experience problems, our specially trained technicians can quickly identify the cause and perform the required repair.

Whether your appliance is in or out of warranty, we're here to guide you to the right repair solution.

Book a repair online

Cause

AEG dishwashers continuously monitor critical operating systems through sensors and electronic control algorithms. When the dishwasher detects a condition outside the expected operating parameters, it generates an error code to protect components and assist with diagnosis.

The most common causes are:

  • Water supply restrictions
  • Blocked drainage systems
  • Leak detection activation
  • Pressure sensor faults
  • Wash motor or circulation pump malfunctions
  • Heating system failures
  • Water level sensing problems
  • Electronic control board issues

Each error code corresponds to a specific monitored function, helping to narrow the possible cause and support accurate troubleshooting.

FAQ – AEG Dishwasher Error Codes

What does an "i" error code mean on an AEG dishwasher?

An "i" code indicates that the dishwasher has detected a fault within a specific system and has stored diagnostic information.

Why is my dishwasher beeping?

The beeps usually correspond to an active error code or warning condition.

Can I continue using the dishwasher with an error code displayed?

This depends on the error. Many fault codes stop the programme to prevent further issues.

Why does the dishwasher display flashing lights instead of an error code?

Models without a display may communicate faults through a specific flash sequence.

Do error codes always mean a broken component?

No. Some error codes can be triggered by temporary conditions such as blocked filters, low water pressure, or drainage restrictions.

When should I book a repair?

If the error returns after completing the recommended checks, professional diagnosis is recommended.

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