Whirlpool WFC7500VW0 User Manual page 79

SUDS LOCK (OVERDOSE OF DETERGENT
DETECTED DURING THE WASH CYCLE)
If suds are detected continuously by the pressure switch during drain or spin, washer will enter Suds Detection mode.
The washer will fill with 3/4 gallon (2.67 Liters) of water, then rest for 10 minutes with no tumbling. Washer will then drain.
If error occurs during spin cycle, the unit will then start spinning.
Possible Causes/Procedure
If too much detergent was used:
Run the unit through a RINSE/SPIN cycle.
Run a NORMAL cycle without adding any detergent.
This should clear the unit of the excess detergent.
1. Check the drain hose and make sure it is not plugged or kinked .
2. Is the drain standpipe higher than 9 feet, This can cause pump cavitations resulting in same failure code.
3. Unplug washer or disconnect power.
4. Check wire harness connections to the drain pump, pressure switch, and Central Control Unit (CCU).
5. Check/clean drain pump filter of foreign objects.
6. Plug in washer or reconnect power.
7. Check drain pump.
8. Check the pressure switch and pressure switch hose.
9. Verify CCU operation by running a Quick Diagnostic Test or any cycle.
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