AEG Washer Error Code EF1

EF1 on an AEG washer signals that the machine detected excessive foam during the drain cycle, or that the drain path is restricted. The most common causes are a clogged lint filter, a blocked or kinked drain hose, or using too much detergent. The washer pauses or stops the cycle because the foam or blockage prevents water from draining at the correct rate.

It is not advisable to continue running cycles while EF1 is active. The fault indicates a drainage problem that, if ignored, can cause water to remain in the drum, put strain on the drain pump, and potentially lead to leaks or pump failure. Address the underlying cause before resuming normal use.

If the fix involves only cleaning the lint filter or adjusting detergent use, there is no parts cost involved. If the drain hose needs replacement, parts typically cost in the range of $15 to $40. A drain pump replacement, if needed, generally runs between $40 and $120 for the part, with additional labor costs if a technician is hired.

Start by locating and cleaning the lint filter, found behind the small access panel at the front bottom of the machine. Have a towel ready as water will spill out when you open it. Next, check the drain hose for kinks or clogs, and review your detergent type and dosage to confirm you are using an HE-rated product in the recommended amount. If the fault persists after these steps, inspect the drain pump for obstructions.

Resetting the machine by powering it off and back on may temporarily clear the fault display, but EF1 will return if the root cause has not been resolved. The error is condition-based, meaning the control board will log it again as soon as it detects excessive foam or restricted drainage during a drain cycle. Always fix the underlying issue first.