Got it workng now; "stupid is as stupid does" in the that I was holding the activation circuit closed; it is a MOMENTARY activation! Duh! Smoke unit was belly up; motor ran but no air flow. Found some white silicone sealer between smoke PCB and impeller housing; stopped fan rotation; cleaned the residue from bottom of PCB and replaced the impeller; smokes like crazy now on the wash cycle. Thanks for the idea the control board needs time to process the micro switch inputs; good to go; Falcon70
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