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Error code reference

ADC Washer Error Code E12

Water in tub

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What the E12 error code actually means

Your ADC washer finished its wash cycle but could not drain all the water out of the tub, so it is keeping the door locked to prevent a spill. You will need to find and fix whatever is blocking or preventing the water from draining before the door will open. This is commonly caused by a clogged filter, a blocked drain hose, or a pump that has stopped working.

Diagnostic procedure

The full E12 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Press ESC to end the program.
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Most common causes of E12

Ranked by how often they cause this code
  1. 1Clogged pump filter or drain trap
  2. 2Kinked or blocked drain hose
  3. 3Failed drain pump
  4. 4Faulty pressure switch or water level sensor
  5. 5Drain hose installed at incorrect height

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Questions people ask about E12

What does E12 mean on a ADC washer?
E12 on an ADC washer means the wash program finished but water was still detected inside the tub. The washer keeps the door locked automatically to prevent water from spilling out when the door is opened. You need to clear the drainage issue before the machine will allow the door to open. Pressing ESC is the correct first step to end the current program state.
Is it safe to leave the washer in an E12 error state?
Leaving standing water in the tub for an extended period is not advisable, as it can promote mold and mildew growth and may stress the pump or other internal components. The door lock is a safety feature, not a hazard in itself, but the underlying drainage problem should be resolved promptly. Address the cause as soon as possible to avoid secondary issues.
How much does it cost to repair an ADC washer showing E12?
If the fix is simply cleaning the pump filter or adjusting the drain hose, there may be no parts cost at all, just the time to do the work. If the drain pump needs to be replaced, parts and labor costs typically range from around 100 to 250 dollars depending on parts availability and local labor rates. A pressure switch replacement is generally a lower-cost repair by comparison.
How do I fix the E12 error on my ADC washer?
Start by pressing ESC to exit the current program, then check the pump filter for clogs and clean it out if needed. Inspect the drain hose for kinks or obstructions along its full length. If the filter and hose are clear, the drain pump itself may need to be tested and possibly replaced.
Will resetting the ADC washer clear the E12 error?
Pressing ESC ends the program cycle and may allow you to run a separate drain or spin cycle, but it will not resolve the root cause of the error. If the drainage problem is not fixed, E12 will return the next time a wash program completes with water still in the tub. A reset is a useful first step for diagnosis, not a permanent fix.

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