Unplug the washer's power cord from the wall.
Unscrew the two hoses on the back of the Profile with the pliers and lower each hose into a bucket.
Squeeze the clamp on the drain hose where it connects to the Profile Harmony. Pull off the hose.
Unscrew and remove the rear panel from the appliance, using the screwdriver. Locate the pump mounted on a bracket near the outlet for the drain hose.
Squeeze the clamp on the pump with the pliers to pull off the rubber hose. A small amount of water may spill from the pump and hose.
Unplug the wires from the pump, pulling on the nylon plug where it connects to the pump's electrical socket.
Set a multimeter to test for circuit continuity, which is measured in ohms.
Hold the two probes on the meter to the two electrical contacts in the pump's power socket. If the meter display reads zero, the pump is defective.
Remove the screws holding the pump to the bracket to release the part. Take the part to an appliance parts store for a replacement.