Answer Nicholas, Unfortunately there is no way to start the pump by hand. If the pump is not operating they you will want to check to make sure that there is 120 vac getting to the drain pump when the unit calls for drain. If there is 120 vac and the pump is clear of clogging then the pump would be defective and need to be replaced. Read More... Answered by AppliancePartsPros.com | Monday, December 19, 2016