1, the blood cutting tank does not drain: remove the back cover and backwash it from the middle joint of the drain pipe with a 20ml syringe. The washing liquid can be household detergent, which can be washed repeatedly according to a certain concentration.
2. No water enters the blood cutting groove: dilute it with household detergent according to a certain concentration and then reverse flush it with a 20ml syringe. If it can't be flushed, open the back cover and poke the pipe with steel wire.