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I have been clearing E13 on my machine by doing a similar process for years. Most of the time I find nothing in the chamber that would be clogging or blocking the pump. Sometimes is works. Sometimes it I have to clean it out, try to run the drain/spin cycle several times before it decides to actually drain without getting the same error. Today I have tried all the tricks over and over again but still getting E13. Does this mean it is time to break down and replace them pump? Is there anything else I should try before doing that?