On occasion, soap may clump or cake, blocking the drain hole in the detergent cup. If the water in the cup is clear, no service is required. Inspect the detergent dispenser for foreign matter or debris which might block the siphon process.
If you continue to have problems, please contact Haier Appliances at 1-877-337-3639 or visit https://www.haierappliances.com/support/schedule-service to arrange service.