It is a common fault that the drain fails to work in most machines in a period of time and is the most problematic fault in a dish-washing machine, due to food waste clogging the drain. In all occasions it is important that your observation is most important and so is vital to the identification /rectification and solution. If you have noticed that water has leaked then as the drain hose pump/valve and fittings are located on the underside of the machine it is important that you look for possible leaks here. In some cases the drain hose would be clogged at the drain end to outlet of the house and so there will be back flushing resulting in overflow to the outside. Also the drain pump/valve can be clogged. Now remove the drain hose clamps and remove the drain pump/valve, clean the drain pump/valve, use back flushing to clear off all dirt. Now test using power to see if this works and can be simulated. When refitting, the hose must be tightened properly. If the pump/valve does not work even with power then it must be replaced. If there is intermittent power to the drain valve/pump then the program controller unit is a suspect. Finally the washer must be placed with a tilt- use a spirit level- so that all water will drain to the outlet port and thereby there is no residual water remaining.
Two things to consider....clean water or
dirty water?
Clean water usually indicates the fill valve
is not shutting off all the way and the fill valve is "weeping" water
in all the time = new fill valve time!!
Dirty water usually is not a dishwasher
problem but more of a plumbing issue. Often the sink drain that carries the
sinks water outside is not fast enough and some of this sink water is backing
up into the drain hose and filling up the dishwasher through the drain hose.
The drain from the sink to outside needs attention as this type of a problem
indicates a slow house drain for that sink.
The dishwasher drain line should be clamped to the top underneath part of the counter before entering the sink drain plumbing, this may help the water from coming back inside the dishwasher.
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