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Error code reference
Speed Queen Dryer Error Code SCI COMM ERROR
Communications problem between the front-end control and the output board; all outputs turned off.
SourceSpeed Queen Quantum Platinum Dryer - Service Manual (DRY639R)p. 53
Diagnostic procedure
The full SCI COMM ERROR 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 connection between control and output board. Can also be caused by output board detecting a System Integrity Error.
SourceSpeed Queen Quantum Platinum Dryer - Service Manual (DRY639R)p. 53
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
1 manual in the MyPros+ library documents this code for Speed Queen dryer.
Models covered by the manuals that document this code
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