I received the F1 code on the top drawer, and no power to the bottom drawer. Tried drying the flood board, no luck. Found a burned spot on the controller for the lower drawer. Replaced the controller, the mains filter board, and the hose link support. Still no power to the bottom drawer and still receive F1 code on top drawer. What next?
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Not sure what the actual model number is but usually the F1 error with Fisher and Paykel dishwasher means water has entered the flood switch located at the base. This could be due to leaky hoses or water leaking through the door or lid seal. Wait for a day or two until the water evaporates and try again. Otherwise you will have to dry out the flood switch and then try again. Location of flood switch will depend on your model. For double drawer dishwasher you will have to take the bottom drawer out from the housing and the switch is on the floor of housing. But make sure you take the mains power chord out before touching the insides of dishwasher. Will also need to find the cause of the leak. Other reason for F1 could be loss of power to top dishdrawer if you have double drawer. But in that case the top drawer will have no lights on. The power board is located on the base of housing under bottom drawer. Once again do not touch inside of dishwasher without shutting off mains power.
Sorry did not see your problem report earlier. If you have checked the sensor under the bottom drawer and it is dry, then F1 is caused by top drawer power filter fault. This means the bottom drawer controller is giving the F1 error but the top drawer controller has no power. Can you confirm this.
hello F1 means the flood sensor senses water at base of machine at PC board. You need to take out bottom drawer and check for water puddle under where the drawer was.If there is water you can get the machine going again by comletely drying it out(F1WILL CLEAR),but it still means you have a leak.With bottom drawer out you can really see whats going on.Once F1 is clear you can actually run upper drawer and see if it leaks.Most likely culprit are the lid actuators.Replace all 4 . It'll run like new.Don't overload drawer .That can cause lid leak too.Also the PC board may be damaged and may start to go crazy giving fake F1 codes.$80 easy fix. good luck
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.
The F1 error coming on top drawer when operating bottom drawer is due to the thermal fuse blowing up on the bottom drawer and shutting controller power.
The thermal fuse could have blown either as a normal component failure or heater over heated due to thermostat failure. In any case this can be repaired by replacing the whole heater assembly as all the parts are integrated.
This is at the underside of the drawer and will need a technician to replace unless you are very familiar with repairing electronic dishwashers. The part look like this.
The way you have described the onset of the F1 error is not due to flood switch. You can confirm that the lights on the bottom drawer are out even though the top drawer is showing F1 and beeping.
If problem was flood switch then both drawers would show F1.
F1 error indicates flood switch in base has activated, meaning machine has leaked. This causes machine to drain continously, and can only be stopped by switching off power. Not easy to fix if you don't have experience- bottom drawer has to be removed to access flood switch, then machine needs to be test run and checked for leaks. Best to call the professionals!!
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....