The Pain of Ariston Washing Machine Repair Service The compressor صيانة غسالات اريستون فى مصر is situated in a football-sized case on the rear of the refrigerator, near the base of the unit, and usually contains either black or copper tubes with an assortment of colored wires. In the event the pump is on the base of the tub you should order a drain pump relocation kit. The hose needs to be free and clear.