Error code reference

Speed Queen Washer Error Code E:SP

Serial communication error - occurs when the master control cannot communicate with the motor control; common causes include blown fuse on motor control board or incorrect wiring to motor control.

SourceSpeed Queen Commercial Frontload Washers - Service Manual (FLW1520C)Section 3, Paragraph 13/21, Pages 33/46

Diagnostic procedure

The full E:SP 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 if the fuse is loose or blown on the motor control board; tighten fuse holder and/or replace fuse.

SourceSpeed Queen Commercial Frontload Washers - Service Manual (FLW1520C)Section 3, Paragraph 13/21, Pages 33/46

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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