Hi , we have a blanco bfdwc65 dishwasher , have just spent money replacing the main control board as the machine kept starting then stopping , now the machine runs but upon start of the cycle it keeps filling up with water until it overflows. Is there a float switch in the machine that could be faulty and if so where could i find this? Thanks
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Re: blanco bfdwc65 overflowing with water
When you open the back of the unit you will see a mixer for the water hot and cold in that nit contains a valve with a wire that connected to the main switch check that valve to make sure that is working but setting the water to low and start the unit do that in different levels and with hot water only and cold water only to see which one if any casing the problem.
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I have a Blanco BFD10X Dishwasher which had the same D06 error, being a Electrician i investigated the fault which Blanco report as motor over current. After testing the motor, i tested the motor Run capacitor and found it to be faulty, these capacitors are common to failure and will cause the pump to draw more current than usual.
A genuine replacement 2.5uf capacitor was quoted at $120.00, however i purchased a equivalent from RS online for $14.30 + delivery. RS P/N 769-4267
Dishwasher working fine again.
The parts' arrangement is similar to several Whirlpool model. The pump motor is located under the bottom place and it is accessed removing the front kick panel (in front at the bottom).
Here a movie showing the procedure on a Whirlpool similar to your Blanco. I also tried to describe the procedure below. Check also the parts diagram for your model at the end of this comment. Sometimes it is not necessary to lean the appliance on one side, depending on how you can reach pump motor and hoses. See movie and description.
To remove the old motor you need to:
Move appliance forward.
Disconnect drain and inlet hoses and remove water from tub (if any).
Remove baskets or anything else from inside the machine.
Remove spray arms and remove the assembly at the bottom of the machine.
Put some clothes or towels on floor and lean the machine on one side.Water will leak out, the clothes will help here.
Take the kick panel in front off.
Undo the screws that hold the pump to the machine cabinet.
Use a flat screwdriver to loose the clip holding the hoses. Loose the clip but do not open it completely (it will help later).
Pull off the two hoses.
Disconnect the electrical connector to the pump
Lift the pump motor and pull it out from cabinet.
To put in new pump.
Insert the two hoses on new pump.
Set the clips.
Put the pump motor in place inside the cabinet.
Arrange hose and pump motor correctly and put screws back.
Reconnect the wiring connector.
Lift up the appliance.
Put back spray arms and internal assembly.
Before putting on the front panel:
Connect power and test for leaks.
Disconnect power and fix any leak present (adjust hoses).
If there is no leak put panel back.
Set back the appliance and connect power.
Always observe strictly health and safety prescription. Disconnect power before performing any maintenance. Beware of panel's sharp edges, particularly when removing kick panel and accessing parts in the tight space under the bottom of the tub.
The main processor was interuppted and so has hung up or is faulty. Remove the main plug and press on the control pad of the washing machine to drain off any residual voltage that is remaining on the main board and which seems to have hung up the processor.When the plug is plugged in and switch please hold down the start/stop button.
If there is no result after plugging in the machine then the main controller board is a suspect. You can remove the control board and check the connectors, check the main door switch , if possible clean the connectors/ contacts as a last chance.
Depending on the model, I have had loads of Bosch dishwashers fail because they have blown the heater relay solder joint on the main control board. Usually just requires control board to be opened up, and the faulty solder joint re-soldered. Occasionally control board will need to be replaced if damage is too great. Rarely is problem with the sensor.
There is a float connected to a switch that controls water level. It is usually round and will move freely up and down by hand. But your problem might be a levelling related one. The dishwasher must be level to operate correctly. Use a torpedo level in the tank base to check front to back level and side to side level. Adjust the front legs to level the unit.
Hello, I am sorry for your lost time and money. I know you would like to fix this, but at what cost and time you are willing to put in it. You can buy a new one for what you have spent in time and money. I would sale it, and get anything back out of it you can, and go get you a new one with a warrenty. Good Luck. Farren