Lower drawer F1 error code, I suspect possible seal leak. Very small amount of water on floor. Upper washer control panel cycles rapidly through all programs and back light is burned out. I suspect control board malfunction. Repair facility, or tack it myself?

the dynamo dishwashing stuff has caused foaming which reached the base of the dishdrawer unit causing the flood switch to trip. This gives F1 error.
Not sure how much foaming has occured.

Best to turn off power and take power cable out from socket. then empty the drawer using towels. pull out the bottom drawer and wait a day or so to let the foam disappear from the bottom of dishwasher (under the bottom drawer). Connect the power and see if F1 had gone. If not, you need more work. Post a comment based on the above suggestion and I will guide you further if required. Always use Finish dishwasher power only (recommended quantity) as the drawers are small and don't need much detergent.

This problem will require a service person to correct, you may have a water dispenser problem in the door and a check valve problem with the lower drawer. Water on the floor is a bigger issue, Look at the drain line to assure they have no leaks, they are black and white hoses that hook up under the sink. If the drain system is fine, is the water on top of the lower control cover? Each drawer operates different from each other, so you would need to determine which unit is leaking. I have part numbers and service manuals if you want them.

Good luck, I help this is helpful.

I’m happy to help further over the phone at https://www.6ya.com/expert/gere_bf68e6055dd61249

The Ever- So- Helpful Diagnostics Mode -----
Getting into the Diagnostics Mode:
Press the LOCK and START / PAUSE buttons simultaneously and hold for 5 seconds.
The unit will beep once
Press the POWER button once, and you are now in diagnostics mode.
Pressing the START / PAUSE button sequentially advances the machine through the various functions you will want to test.
Start and stop each function by pressing the LOCK button.
A strong word or caution: DO NOT ENERGISE THE HEATER PLATE function (ER) without water in the tub or the heater will burn out.
The tech sheet containing all fault codes, test values, and a schematic is located behind the lower drawer at the back wall.
Exit diagnostics by pressing power off.

Q: F1 ERROR. The unit is beeping, both drawers are flashing F1 and won't stop running.
A: Your appliance has experienced the ubiquitous F1 flood error. The only way to stop the beeping is to remove power. Your course of action depends on the next step. You need to look BEHIND the lower unit drawer. Remove power, then open the lower drawer all the way, and press those plastic tabs (down at the sides, along the bottom and just below the round buttons)- inwards. Now slide the drawer out a couple inches more. You can now see behind the drawer.
Is there water in the catch pan? If no, the Mains Filter Board beneath that plastic cover in the back is bad. It thinks it's flooded while in fact it is not. Replace it. (PN 525959P) It is also remotely possible that one of the wiring harness is faulty.
If there IS water back there, you need to find where it's coming from. Usually, the fill (PN 526836) and drain hoses (PN 527137) are NOT at fault. Go into Diagnostics Mode, and operate the water fill valve (FV), and look for leaks at the valve and along the fill hose as the tub fills.
(You'll want to remove that large plastic cover in the back to see the valves and hoses coming from them. Lift the drawer off its rails and set it off to the left if there's space for it. Upper drawer, set it on top of the bottom drawer).
Operate the drain pump (P2) and look for leaks in the drain line. If no water is seen leaking from those sources, go on to the Lid Motors and the Link Supports.
First inspect the link support (that white plastic rod that spans the tub service lines). They typically snap in two at the mid span point. If it's snapped, there's your problem. Replace it with the updated link support. (PN 528437) Also run the Lid Motors (LD). As they transition up and down, do they respond strongly, or do they sound weak and labored? If the motors are in a white plastic case, you have the old motors and they will need replacing soon anyway. When they grow weak their ability to pull the seal down strongly is diminished (PN's 528112 Top, and 528113 Bottom)
Should you get an F1 error code on the TOP UNIT ONLY, it means that the LOWER UNIT has experienced some failure in the Water Heating Circuit. You will need to test those components to detect what has failed. Get out the trusty schematic and your multimeter!

ok where to start, first thing the bottom draw is hard to close because they use 2 little motors on either side to pull a lid with a seal on it down on top of each draw when u start it to keep the water in, if its hard to close the motors are damaged and arnt lifting the lid back up when the cycle finishes making it hard to open and shut, now the F1 fault means the filter circuit board in the base of the machine has been activated basically a flood sensor (and controls minor components ie lid actuators), the unit should beep and flash and go spaztic and you should hear the drain pump come on continuously til u turn it off at the wall thats its way of trying to stop a leak by removing any water it can but will not actually remove the water from the base where the switch is, you will probably find it will work now as the water will have dried and stopped triggering the switch but wont stay like that for long, that machine has major issues its leaking bad from somewhere and id say it leaked onto the lid motors and fried em, the parts you will most probably have to replace is the filter board in the base, both bottom draw lid actuators (small motors), probably the bottom draw lid if you damaged the seal pulling the draw in and out and whatever is leaking and if any other componets where damaged by water, so if its outta warranty id go buy a new 1 with 5 year extended warranty

Hi now F1 mean that your machine has triggered the flood alarm. there are two reasons this happens-- 1st-- there is a leak on one or both of your drawers. they leak because you might have a hole in one of the hoses or your lid is not shutting properly etc. the 2nd reason is that some water or soap suds escaped from the overflow. now i would like you to turn the machine off at the wall and leave it off for a couple of days to dry it out. then turn it on and use the lower drawer for one cycle. if it does not go F1 then try the top drawer for one cycle and see how it goes. if it continues to flash F1 then reply back for further help. good luck.

f1 code indicates a leak.open bottom drawer,find the spring clips on side of tub where tub meets the front panel.push the clip and you will be able to slide the track back and remove tub. put tub on floor to left you should see a puddle,dry it up should be ok. Sensor is sensitive to moisture allow 24 hrs to reset if all visible water has been dried up. hope this helps ,please rate my solution :)

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 by pulling the lock pins on each lower side corner. Slide down and remove front cover. Release the drawer slide clips and remove drawer then dry the catch basin.
There are three possible scenarios for this error code;
1. Defective lid motor(s)...Each drawer has two lid motors, attached to the cabinet on either side of the drawer, 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.
3. (only seen this once) the drain hose developed a crack causing water to leak only when draining.

When water accumulates in the bottom it triggers an error code and it keeps running. There is a water sensor in the bottom. I pull out the bottom drawer, mop up the water and use a hair dryer to dry the water (the more you mop up the less you need the hair dryer). Be careful to not get any of the plastic too hot. Kill the power before messing with the unit. The first time I did this it took 20 minutes to dry out. I have gotten more proficient and it take about 5 minutes now.

I had a water leak which was due to the rinse agent cap not being completely sealed. Water leaked out of a small hole in the front (I'm guessing an air vent but don't know for sure) and flooded the bottom.

I also had a leak due to having too tall a dish in the drawer and the top not sealing. I currently have a leak on the top drawer of unknown origin, but the bottom drawer still works.
Hope this helps.

The f1 is a flood error. There is a sensor in the bottom reading water. You have to dry it out before you can do anything or the drain pump will just keep running. Check the lid of the drawer you where using to see if anything may have been holding it up or if the seal is torn. If that looks ok you will have to check the lid actuators to see if one is not working. I would replace both right and left if one is out.

Remove the control panel. Inside you will find a service tech sheet that will identify the error code.

There may be an obstruction in the water valve inlet flume forcing the water to travel in the wrong direction.