The DER error on your Maytag Washer means the machine has detected a problem with the door or lid lock mechanism. This usually stops the wash cycle until the door is confirmed closed and locked, and it’s often fixable without calling a technician.

Error code DER
Meaning Door/Lid Error — the control board cannot confirm the door is properly closed and locked
Severity Medium — the washer won’t run a cycle until this is resolved, but it’s rarely a costly repair
Time to fix 10–30 minutes
Tools needed Screwdriver (Phillips), multimeter (optional, for testing)

What the DER error means

DER stands for Door Error, and it appears when the washer’s control board sends a signal to lock the door but doesn’t get confirmation back that the lock has engaged. This safety feature exists to stop the drum from spinning while the door is open, so the machine deliberately halts the cycle and displays DER rather than risk an unsafe start.

This error is common on both front-load and some top-load Maytag models with electronic door locks. It can be a simple case of the door not being shut firmly, or it can point to a failing door latch, lock switch, or wiring connection.

Common causes

  • Door not closed firmly enough to trigger the latch mechanism
  • Worn or broken door latch assembly that no longer engages properly
  • Faulty door lock switch that fails to send a signal to the control board
  • Loose or damaged wiring harness between the door lock and control board
  • Obstruction such as clothing or detergent buildup blocking the door seal or latch
  • Failed main control board that misreads a correctly locked door as open

How to fix the DER error

  1. Close the door firmly. Open the door fully, remove anything caught in the seal, then push the door shut until you hear or feel the latch click into place.
  2. Power cycle the washer. Unplug the machine for 60 seconds, or switch off the breaker, then restore power and try starting a cycle again.
  3. Check the door seal for obstructions. On front-load models, run a hand around the rubber gasket to clear out detergent residue, coins, or fabric that could prevent a full seal.
  4. Inspect the door latch assembly. With power disconnected, remove the front panel or access point and look for a cracked, misaligned, or loose latch mechanism that needs replacing.
  5. Test the door lock switch with a multimeter. If you’re comfortable with basic electrical testing, check the switch for continuity when the door is closed; a switch that fails this test should be replaced.
  6. Check wiring connections. Trace the harness from the door lock to the control board and reseat any loose connectors, looking for signs of chafing or corrosion.

FAQ

Can I run a cycle if the washer keeps showing DER?
No. The washer’s safety system won’t allow the drum to spin until it confirms the door is locked, so the cycle will stay paused or cancel until the error clears.

Is the DER error similar to other Maytag error codes?
It’s specific to the door/lid lock system, unlike codes tied to drainage or motor sensors. If you’re troubleshooting other issues, guides like the Maytag Washer F1 Error Code: Causes and Fixes or Maytag Washer F5 Error Code: Causes and Fixes cover different fault types.

How much does it cost to fix a door lock issue?
A replacement door latch or lock switch typically costs between $30 and $90 for the part, plus labor if you hire a technician; many homeowners replace it themselves in under 30 minutes.