The motor control unit senses a suds lock condition by analyzing the current draw on the drive motor. If "Sud" is displayed a potential suds lock is detected. This may signify a bad pump, an extra heavy load, excessive detergent, or excessive suds.
Potential Causes
•If too much detergent was used, run the unit through a Rinse/ Spin cycle then a Normal cycle without adding any detergent. This should clear the unit of the excess detergent.
•Check the drain hose and make sure it is not plugged or kinked
•Check Wire Harness connections to the Drain Pump, Pressure Switch, and
Central Control Unit (CCU)
•Check/ Clean Drain Pump Filter of foreign objects
•Check Drain Pump
•Check the Pressure Switch
•Check CCU
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