Speed Queen Washer Error Code Em: Meaning and Fix

Reading the washer display
On a washer the code appears on the digital display or as a pattern of flashing cycle lights. Note it exactly, including any dashes or sub-codes, then unplug the washer for five minutes and run a short drain cycle to see whether it returns. Speed Queen shows two characters such as Ed or E1 on the control.
Speed Queen, from Alliance Laundry Systems, builds commercial-grade home laundry. Its washers and dryers use short error codes such as E1 or Ed, and the control is simpler than most consumer brands, which makes diagnosis more direct. The codes apply to model numbers such as DR7, DC5 and TR7; check the label on your unit to confirm yours.
What causes Em
- A worn motor, brushes or bearings that stall under load
- Motor control failure
- A loose or damaged wire harness between the motor and the control board
- A failed motor control module, triac or tachometer/Hall sensor feedback
How to fix it
- Power the machine down and unplug it, then clear the drum, spray arm or impeller by hand to make sure nothing is binding.
- Check that the load is not oversized or unbalanced and that the drive belt or coupling, if fitted, is intact.
- Check the motor harness for damage.
- Inspect the motor harness and connectors for damage and reseat them firmly.
- Measure the motor windings and tachometer sensor against your service data; look for open or shorted readings.
- Replace the motor or its control board depending on which part fails the test, then run a test cycle.
Parts you may need
| Part | Part no. | Buy |
|---|---|---|
| Washer Drain Pump Assembly | 203885P | Find part |
Part numbers are OEM references; confirm fit by your model number before ordering. Some links are affiliate links; we may earn a commission at no extra cost to you.
Questions
What does error Em mean on a Speed Queen washer?
The motor could not reach or hold the commanded speed. Exact behavior can vary by model and software version; confirm against your own manual.
Can I keep using my washer while Em is showing?
No. Repeated attempts to start a stalled motor can overheat it or damage the control board.
How do I clear Em, and can I fix it myself?
Cancel the program, switch the appliance off and leave it unplugged (or the breaker off) for about five minutes, then restart. The code only stays cleared if the underlying problem is fixed, so work through the steps above. Parts here involve electronics, heating or sealed components, so consider a qualified technician if the basic checks do not clear it.
Other Speed Queen washer codes
Sources
Part numbers are OEM references; confirm fit by your model number before ordering. Meanings compiled from manufacturer and parts-retailer documentation; see sources below. Unplug the appliance before opening it.
Applies to models including TR7, TC5, FF7, LWNA52, AWNE92.





