Question about Fisher and Paykel 23 in. DD-603SS Built-in Dishwasher

3 Answers

F&P Dishdrawer turns on and off, on and off by itself

My dish drawer is 3 years old now. It is a DS603I. I just had a F1 problem that I cured by blow drying the control board inside the unit. I ran 1 load about 1/2 way and the dish drawer shut down. Now it just turns on and off for hours and then quits. A couple hours go by and it starts up again with the on and off routine. Any one know the problem here?

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  • aaron593 Apr 12, 2009

    Drcliffbrown, you are asking me to clarify my problem but I dont understand the rest of your comments. It appears you have your own issue. What part of my problem do you clarified?

  • drcliffbrown May 11, 2010

    I checked the lid motors. One of the top drawers moves slower than the other causing an offset.

    On the bottom drawer one of the motors does not work at all.

    Do I replace both sides of the top and bottom motors?

    Both sides that are not working correctly are on the right...coincidence?

    They back motors with the link look nothing like the tan...I am assuming all is good to get them anyway?

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Hi Aaron...
You wrote "I had a F1 problem that I cured by blow drying the control board"
I see techs on other sites telling people to "blow dry" the mains filter board (which has the flood sensor and controls lid motor operation) and it always makes me wince.
F1 is a flood condition. All you do by drying out the board is stop the machine from trying to tell you something is wrong with it. There is a reason why the board got wet in the first place. You won't cure anything by simply drying it out if there is an underlying condition causing a leak.
On your dishwasher, as you may or may not be aware, the lid is controlled by two motors that pull the lid down onto the top of the drawer in order to provide a seal. If, for some reason, the lid either does not come down on one or both sides or something is interfering with the lid's mechanical operation, the machine will leak, and the flood sensor will trip. The machine will appear to "go on by itself" and run the drain pump constantly.

The cure is to determine what happened.

Some possibilities:
1. Improper loading:
When someone places a tall dish, utensil, etc in the wrong position, it will "prop" the lid ajar when the lid comes down. A gap of even 1/4" can cause a leak. It is in cases such as this that drying out the mains filter board (yes it is called mains plural) will restore machine operation, as it was a temporary issue that caused the leak (More on this later).

2. Broken hose link support strap:
On older model 603's, there is a nylon strap that guides the hoses and wiring harness as you open and close the drawer. Over time, this strap can break right in the middle. What happens next, is when the drawer is closed, the strap gets caught between the lid and the drawer's edge, causing a leak. This is easy to see if you dis-engage the tub clips on the drawer rails and slide the drawer forward enough to see the strap behind the drawer. In a case such as this you can blow-dry that board all you want; it's not going to do much good, as the machine will leak again as soon as that strap gets caught in the lid. The fix is to replace the broken link support with the updated kit from Fisher Paykel, which is a part number 528437. You can purchase them here:
http://www.fisherpaykelparts.net/ecart/item.php?item_id=242&category_id=58
On double-drawer machines, I always replace both straps, even if only one is broken.

3. Worn or inoperative lid actuator/motor:
As mentioned, the lid is motorized. There are two motors, one on each side of the drawer. They can become worn mechanically, or they can fail electrically or fail to operate because that mains filter board is not sending the signal to one or both motors. The machine's main control board (the one where you select cycles) can also cause a problem.
There should be a detailed tech sheet behind the drawer (lower drawer on double units) that has instructions on how to put the machine in diagnostic mode and you can run the lid motors with the drawer open and check if one is not coming down. And again on older 603, the lid motors can stop working correctly. If they are tan in color, replace them with the new style, which are black in color and have rubber boots over the arms to keep water from running down the shafts and into the motor. Part numbers are 528112 and 528113 and are always changed as a pair. Lid motors can be obtained here:
http://www.fisherpaykelparts.net/ecart/item.php?item_id=240&category_id=58

Bad or damaged Mains Filter Board:
This needs to be read over carefully.
On older 603's there will be a GREY colored plastic cover over that board. This is a tipoff that you have the early model. The underside of that board in the area of the flood sensor is uncoated and the solid-state components are exposed to moisture. Over time, calcified deposits build up around the edge of the board on the side where the flood sensor protrudes. These deposits can cause a "phantom F1' condition where the machine thinks there is a leak but there isn't one. Whenever I speak to a customer on the techline who says "I am sure there is no leak but the F1 is activated" I tell them to examine the underside of the Mains board for these deposits. The other thing to be aware of with regard to "blow drying" the board, is that it will warp and sag in the center and this can break the tiny solder joints and cause all kinds of problems for you. The most recent version of this part has a nice, thick almost rubberized coating over the bottom of the board and it's much more durable that the first versions. it also comes with a WHITE colored plastic cover and this is how you can tell if you have newest version of the board. You always should replace the grey cover with the white one. You can get the updated part here:
http://www.fisherpaykelparts.net/ecart/item.php?item_id=248&category_id=58

I hope this info is useful to you.

Posted on Mar 14, 2009

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I also had this same problem (top drawer turning on and off constantly). I had previously had an F1 error, but there was no water in the base of the machine.
The issue turned out to be a corroded spot on the lower drawer heating element. For some reason the top drawer controller is connected via the bottom drawer element. So it was getting some power, but not enough.
Replacing the element of the bottom drawer fixed the problem.

Posted on Feb 10, 2016

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There is a little plastic clip that holds the main circuit board in place and aligns the sensor with a little hole on the unit. If this plastic clip breaks, the circuit board moves and misaligns the sensor, and the unit cuts on and off. If you remove the cover of the dishwasher to view the electronics this broken clip may fall out. You may be able to rig the circuit board to be stable and prevent this; otherwise they make you buy a new circuit board at a heft cost to fix

Posted on Dec 31, 2009

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1 Answer

F1 Error code


F1 is flood error. basically water has arrived at the bottom board. you can unplug the dishdrawer, remove the bottom drawer and dry the board at the bottom, maybe with a hair dryer carefully. this will reset the fault, but this is a fault that may appear again. replace the actuators that close the lid of the drawer that is leaking (look for signs of water running our of one of the drawers).

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But if it is occuring only in one drawer then the power filter at the base of dishdrawer is faulty and needs replacement.

Otherwise make sure the mains power to dishdrawer is turned off. Pull out the bottom drawer and stack in some towels behind it if you can to remove the moisture sitting on the base. The flood switch is located there. Then take a hair dryer and run it down behind the drawer to dry things. Push drawer back and turn power back on. Now if you cannot reach the back of the drawer then you will have to pull the drawer out from its rail. Refer the installation manual for this. See link page 7.

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Yes ,you may be able to restore function by completely drying the area and PC board located under drawer.Use a hair dryer.
However , you will still have a leak and the problem will return.Usually the leak is drawer lid not closing properly. Suspect lid actuators have failed.Very common.Or some kind of obstruction.The drawer can be removed easily by removing 2 large plastic scews at drawer front.If lid actuators have never been replaced go ahead and do that.It is normal for other drawer to work fine.

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Turn the mains power off and extend the drawer out as much as possible. Take towels to dry the base from inside. Also use hair dryer ot dry out the flood switch mounted at the base.

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