The Whirlpool washer error code Sd means Suds Detected. This error is displayed when soap suds keep the basket from spinning up to speed or the water level sensor senses the sud level in the tub increasing. The ACU (main control board) will flush water in attempt to remove the suds. If the water flush does not fix the issue, this may indicate:
• You are not using HE detergent or you are using too much of it.
• The drain pump or drain pump trap is stopped up with trash.
• The air trap may be clogged with lint.
This Whirlpool Washer Sd error troubleshooting and repair information applies to model WFW75HEFW and all the models listed under the related models section below.
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