6)Check the pump filter inside the wash tank. If it is clogged, clean it with a scourer.
7)Check the water level sensor. If it is dirty, clean it with a soft brush.
Pump Filter
Water Level Sensor Location
Water Level Sensor
Front
IMPORTANT
Do not use a metal brush to clean the water level sensor. The surfaces may be damaged, or metal particles attached to the sensor may cause malfunction.
8) Replace the separator in its correct position.
Separator 
9) Install the left and right tank filters.
10)Use one hand to hold the upper wash spray arm on the upper spray arm shaft, and use
the other hand to tighten the upper spray arm nut in the direction of the arrow.
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