Question about Ariston Technologies L63SNA Stainless Steel Built-in Dishwasher

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I have an f1 fault on the display of the dish drawer dd-603ss which i believe is the flood switch activation would you be able to help me reset it

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F1 is the flood code, first thing you have to do is dry up the base of the dishwasher. then you have to find out where the leak is coming from and resolve that issue. you should also replace the mains filter board at the same time.

Posted on Dec 11, 2008

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Have you checked that there is no water remaining in the base of the dishwasher? There is probably a float attached to a microswitch in the base of the machine. A cup of water left in the base of the washer could be enough to trip the flood activation switch.

You could try tilting the dishwasher through 45 degrees to see if there is any water left inside the base.

Posted on Mar 28, 2008

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Have an f1 error that comes up , says it is a flood switch doesn t seem to be any water in the area around the dishwasher. Any ideas?


The flood switch is at the base of the dishwasher housing under the bottom drawer.

Do you have the F1 fault displayed in both drawers? If so, or if you have single drawer, then turn power off and take the bottom drawer out. Dry the base with towels and use hair dryer on the small circuit board at the base.

Put everything back and turn power back on. The source of leak could be lid seal, kink in hose or ruptured hose.

If you have 2 drawer unit and the F1 error is in top drawer only then the bottom drawer has lost power. Could be due to thermal fuse blown on heater plate.

Hope this helps find the problem.

Dec 22, 2010 | Fisher and Paykel 23 in. DD-603SS Built-in...

1 Answer

Keeps coming up with fault "F1"


Is that in one drawer or both?

Generally it means the flood switch under the drawer (inside the housing is activated). This means water is leaking from somewhere - foam in detergent, cracked or crinked hoses, door seal leak etc.

To fix, take the drawers out from housing and dry the flood switch located in the centre of the housing base. Need towels and hair dryer.

Make sure the power is turned off.

Jul 29, 2010 | Fisher and Paykel 23 in. DD-603SS Built-in...

1 Answer

Dishwasher keeps flashing F1


F1 on your dishwasher is the fault code for leaking inside the machine. the water has caused the flood switch to activate. have you put any detergent rather than your normal dishwasher detergent into the machine? if you have, the water probably leaked out of your overflow, if not, then you have a leak on the top drawer or bottom drawer. the easiest way to check is to leave the machine off for a couple of days until it drys then turn on the bottom drawer to go thru a cycle.if the F1 comes up again then the problem is on your bottom drawer. if F1 does not come up then try the top drawer. please reply if you require further help.

May 28, 2010 | Fisher and Paykel 23 in. DD-603SS Built-in...

1 Answer

Fisher& paykel F1 Fault code


F1 means u have a leak on the machine somewhere. they leak from , lid, drain hose , lid activatiors, the leak has flood sensor to come on. to stop the F1 code u have to repair leak. please reply 4 more help.

Apr 25, 2010 | Fisher and Paykel 23 in. DD-603SS Built-in...

1 Answer

F1 fault


F1 code would mean the flood switch is activated.

In Nautilus people have found this to be caused by a faulty door seal.
Water seeps under the diswasher base panel and finally the flood switch (a protection) activates.

The solution is to replace door seal after drying out under the base panel.

Apr 22, 2010 | Fisher and Paykel 23 in. DD-603SS Built-in...

1 Answer

Flood switch has been activated. How do I reset it?


if u put something that was too high in the DD or did u use tablets or dishwashing liquid or dishwasher cleaners all u need to do is turn the power off , open both drawers for atleast 24/48 hours and turn back on all the water evaporates clears f1 fault , or u need to take btm drawer out nd mop up water from base ,

Jan 31, 2010 | Fisher and Paykel 23 in. DD-603SS Built-in...

1 Answer

Have f1 fault cant get bottom draw out to check for moister build up


The reason that you are getting F1 fault might be the dishwasher drawer is flooding. The drawer not opening is perhaps due to either the keylock being activated or the controller has gone into some unkown state.

Try turning the mains water inlet water tap off and also switch off the power. Turn everthing back on and then check if you can open the drawer. If you have water inside the drawer you may need to empty it manually with a small container. If it floods again, then the solenoid that turns of the power or the water level sensor might be faulty.

Nov 12, 2009 | Fisher and Paykel 23 in. DD-603SS Built-in...

1 Answer

My Fisher Paykel dishwasher is flashing F1 - top drawer only. The bottom drawer is working just fine.


F1 error means the flood switch in the drawer is activated. If there is water inside when you open the drawer then you will have to manually empty it with a small container.

Most likely the solenoid that controls inlet water is faulty or the water level sensor is faulty.

Try turning the mains power and water off and on again and run dishwasher. If fault persists then you may have replace the parts.

Nov 11, 2009 | Fisher and Paykel 23 in. DD-603SS Built-in...

1 Answer

Doulbe Draw model receiving an F1 error message.


F1 indicates flood switch has been activated. I wouldn't advise you attempt repair on these drawers- they really require an expert to disassemble (I worked for F+P for 10 years!!). Depending on which model you have (DD603 or DD601v2), repair varies. 603 has a small circuit board that acts as flood switch- located in base beneath drawer- requires drawer to be removed for access. 601v2 model has polystyrene float that acts as flood switch-leaks usually caused by split lid seal(tricky to access- drawer has to be removed) In either case, a leak has occurred and activated flood switch. These drawers are very sensitive to detergents (don't use tablets!!), and the way they are loaded.
Would suggest you get service technician to remedy F1 fault

Aug 07, 2009 | Fisher and Paykel 23 in. DD-603SS Built-in...

1 Answer

Fisher and paykel dd-603ss


F1 is a flood code meaning excessive amounts of water have collected on the bottom catch basin. If a flood condition is detected, both draws will activate the drain motors and flash F1. Remove the bottom drawer and dry the catch basin.
There are three possible scenarios; 1. Defective lid motor(s)...Each drawer has two lid motors that pull the lid tight to the drawer when the cycle is started. (this was very common on early models) 2. Something too tall was placed in the drawer preventing the lid from closing completely. OR 3. (only seen this once) the drain hose developed a crack causing water to leak only when draining. Hope this helps....

Jun 06, 2008 | Fisher and Paykel 23 in. DD-603SS Built-in...

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