Question about Fisher and Paykel Dishwashers
Fisher & Paykel dishwasher top drawer is filling up with water when bottom drawer is ran.
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.
Posted on Apr 22, 2014
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Posted on Jan 02, 2017
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.
Posted on Jun 08, 2008
Most likely the micro-switch that tells the controller that the drawer is closed is broken. Its a tiny little black switch at the back of the left drawer slide, it had a metal actuator that is prone to breaking.
Posted on Jul 21, 2009
You need a Air gap kit designed by Fisher and Paykel to address this problem. It is pricey but it is worthy. I used this and very happy with it since no back flow problem from one while other running. Here is a link to order it.http://www.fisherpaykelparts.net/product/WT50/WT50-Dual-Air-Gap-Kit/
Posted on Dec 29, 2009
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