Drainage filter cover When the washing machine with drying function is used to wash clothing, after the program is started, the machine will automatically weigh the clothing in the drum. Page 13 Service Manual Issue Rev. Haier Washing Machine Troubleshooting. Model No: HLP21N Operating Principle of the Hand-wash Type Washing Machine The most obvious feature of this machine is that during washing, the pulsator and inner tub rotate to opposite direction, and thus make double washing effect. Haier Washing Machine Troubleshooting. Repair or Troubleshoot: Check for clogs in the house drain for the washer, Be sure there are no clogs or bends in the the washer drain hose, Check the filter in the drain pump for a clog, If the drain pump is not working it will need to be replaced. Find expert solutions to common issues, DIY guides, repair tips & user manuals for all Haier Washing Machine products. The following circumstances do not mean there is a fault with the appliance. Popular Haier Washing Machine questions, problems & fixes. Tips For Saving Energy. Contact the Customer Care Team when you have confirmed the problem after following the instructions below.