Error code reference

Speed Queen Washer Error Code E:df

Drive failure - generated by the motor control and transmitted to the master control; can be caused by motor unplugged, motor failure, tachometer circuit open, or inner basket locked up.

SourceSpeed Queen Commercial Frontload Washers - Service Manual (FLW1520C)Section 3, Paragraph 13/22, Pages 33/48

Diagnostic procedure

The full E:df 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
Check continuity between motor terminals (Tach circuit terminals 4-5: approx. 115 ohms; Windings terminals 1-2, 1-3, 2-3: approx. 4-5 ohms). If OK, check motor plug or replace motor control. If not, replace motor.

SourceSpeed Queen Commercial Frontload Washers - Service Manual (FLW1520C)Section 3, Paragraph 13/22, Pages 33/48

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented

3 manuals in the MyPros+ library document this code for Speed Queen washer.

Models covered by the manuals that document this code

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