Fisher & Paykel drawer dishwasher will not drain properly
We have two drawers (separate from each other) and one works well, but the other does not drain all the water out properly after the cycle. I have cleaned everything that I can think of to clean but nothing has worked.
Re: Fisher & Paykel drawer dishwasher will not drain...
We had this problem. wqe had a small bone blocking off the drain tube a bit. Take all the parts on the inside of the draw out ie mesh rack, remove the strainer, steel plate and remove the spinner. Now get a small pipecleaner or brush and poke it up where the strainer inlet is. You will probably see it pock through the centre where the spinner is. Give it a go.
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At some point the two drawers individual drain hoses are joined using a "Y' type connector. Check this, and everything beyond this point for restrictions or blockage. It sounds like the bottom drawer is pumping its drain water out normally, but some of that water is backing up to the upper drawer. This is an installation or plumbing problem that is external of the dishdrawers.
It is the drain water from bottom drawer that is finding its way to the top drawer. This could be due to incorrect drain hose height. Check in installation manual. Alternatively you will have to buy an air gap kit and connect the two drain hoses separately to the kitchen sink.
As the drawers share a common outlet to the kitchen sink drain, it is the drain water from bottom drawer going to top drawer. Can happen if the drain hoses are not following the correct specifications for installation. An air gap kit is available to solve the problems.
If the cycle is complete and dishes are clean, then you need to worry. Try to pull the drain hose up a bit under the sink. Also buy a Finish dishwasher cleaning kit and run dishwasher as per instructions on the kit. That should clean any obsrtuctions in the drain side.
The drawers should not leak unless there is a problem with the vacuum seal. Try cleaning the edges of the doors and operate. You should feel the vacuum is holding the doors. The seals could be faulty or vacuum system may be faulty.
About not draining completely - a possibility is the common drain hose after the U adapter being clogged. Remove the clamp and pass a flexible wire coat hanger towards the main drain pipe. If both drawers are not draining then it is unlikely the drain hose between the U clamp and the dishwasher is clogged. Also make sure the height of inlet water pipe and drain outlet is as specified in the installation manual
Check the drain hoses by removing the dishdrawers from the machine and pulling on the hoses. I installed a Fisher Paykel DD602 about a month ago and the bottom drawer was not draining. I removed the drawer and freed up the drain hose and the machine worked fine.
Comment posted on Feb 07, 2009
there should be tabs on the sides of the drawers at the sliders near the front of the machine.
yes there is. It is just inside the white hoses that drain the system. 1 per drawer. They cost about $0.50 but are a real pain to get to. This flap will go bad in about 3-5 years and maybe sooner depending on the temp of the water used.
If the bottom flap goes bad, using the top drawer will drain into the bottom drawer.
From what you describe, drain water from the top drawer is getting into the bottom drawer or waste water from the disposer is backing up into the bottom drawer.
1. Each drawer has its own drain hose. Each hose should terminate at the drain point with a 'Y' adapter. 2. Inspect the drain point (under the sink where the drain pipes are) to make sure this 'Y' adapter is present. (you should see two drain hoses from the DW). If not present, then the DW drain lines are not installed properly. (Someone took a shortcut and installed the 'Y' adapter behind the DW) 3. If terminated properly, make sure the drain hoses extend upward as they leave the drain point.
It is important the drain lines are connected properly to ensure proper drainage from the DW. Consult the installation manual for complete details.