Speed Queen Washer-Extractor Error Code E dL1: Door Did Not Lock
On CHM1792C washer-extractors, E dL1 is a non-fatal door lock error. The door did not lock when the cycle tried to start, and the output board kept trying for 60 seconds before it gave up. Open the door, clear anything caught in it, and close it firmly.
Medium: the cycle will not start, but the machine is not locked out and a simple re-close often works.
- Code
- E dL1
- Maker
- Speed Queen
- Equipment
- Washers
- Applies to
- CHM1792C family washer-extractor (QN models, 20-100 lb) front-end control
What does Speed Queen error code E dL1 mean?
Before a cycle begins, the washer-extractor must lock its door. The output board energizes the lock and watches for the door to confirm that it is shut and locked. If the door does not confirm, the board keeps trying for 60 seconds, then gives up and shows E dL1 (display text: E dL1). The machine does not begin the cycle, but it does not shut itself down for good, which is why it is called non-fatal. Customers see the code and a washer that will not start, even though the door looks closed. The manual lists a door left open or latched out of alignment, a lock solenoid with broken wiring or a loose plug, a door switch that does not confirm the closed door, and a lock circuit on the output board that cannot energize. A glove or a linen corner caught in the opening is a simple example. Forcing the door or bypassing a switch is never the answer.
Affected models and control systems
Speed Queen CHM1792C family washer-extractors (QN models, 20-100 lb) with the front-end control. E dL, without the 1, is the fatal version.
Code numbers and their meaning can change between control generations. We match the full model and control before acting on a code.
What you may notice
- E dL1 on the display
- The cycle does not start
- The door looks closed but the lock does not engage
Possible causes
Listed in Speed Queen's documentation
- Door left open or latched out of alignment
- Lock solenoid with broken wiring or a loose plug
- Door switch that does not confirm the closed door
- Lock circuit on the output board that cannot energize
Other likely causes — what usually sits behind error code E dL1 on this control. A technician confirms which one it is before any part is replaced.
- A hinge that has sagged so the striker misses the latch
- Lint and detergent buildup that keeps the latch from seating
Safe checks before calling for service
- Open the door, clear anything caught in the opening, then close it with a firm push.
- Try starting the cycle again.
- A forced door and a bypassed switch are both off limits.
- If E dL1 returns, book a technician visit and tell us whether you hear the lock click.
How a technician diagnoses error code E dL1
- Read E dL1 and watch the lock during a start attempt.
- Inspect the door, hinge, latch and striker alignment.
- Check the lock solenoid plug and wiring.
- Verify the door switch signals the closed door.
- Test the lock output on the board, then replace the failed part.
- The lock solenoid and switch wiring carry line voltage behind the frame.
- A door bypass can let the basket turn with the door open.
- Measuring the lock output on the board needs the machine powered with the cabinet open.
How error code E dL1 differs from similar codes
E dL is the fatal version for a door that unlocks mid-cycle; E dL1 is only a failure to lock at start.
Technical reference
- Document
- Washer-Extractor Programming CHM1792C_SVG, Part No. F8641001ENR4, Error Codes Table 29 (pp. 100-107)
- Edition
- Part No. F8641001ENR4, January 2020
- Models / control
- CHM1792C family washer-extractor (QN models, 20-100 lb) front-end control
- Section
- Error Codes, Table 29, pp. 100-108 (PDF pages equal printed pages)
- Checked
- October 2026
We use the maker's document to read the code and do not reproduce it. Always confirm the complete model and control before applying these steps.
Related Speed Queen washer error codes
Is E dL1 serious?
It is non-fatal. The cycle does not start, but the machine does not lock up.
Why does the door look closed?
It may be latched out of alignment or the switch may not confirm it.
How long does the board keep trying?
About 60 seconds before it gives up.
Need help with Speed Queen error code E dL1?
A technician confirms the cause on site and gives you the price in writing before any work starts.