Asko builds an overflow guard into its dishwashers. The manual describes what it does plainly: if the water level in the dishwasher exceeds the normal level, the guard starts pumping the machine out and turns off the water supply. On current machines the display then shows F54, Overfilling water 2. The DW90 generation reports the same family of conditions as F:10, and the older DW20 and DW70 platforms as F2, Overfilling, with the note that if the water has not been evacuated within 60 seconds the program is interrupted and the drain pump is activated.
The Order Asko Specifies
The published action for F54 is to turn off the water supply valve and contact service, and it adds an instruction that is easy to read past: do not remove the plug from the power outlet until the water supply valve has been turned off. That sequence is not arbitrary. The machine needs power to keep pumping out and to keep its own guard active. Pull the plug first and you have disabled the thing that is currently containing the problem while water may still be arriving.
So, in order:
- Close the water supply valve feeding the dishwasher. It is usually under the sink, on the line teed off to the machine, and the time to find it is before you need it rather than while the floor is wet.
- Leave the machine powered and let it finish pumping out.
- Only then isolate the electrical supply, at the wall switch or the breaker rather than by reaching behind a wet built-in machine.
- If you cannot find or close the dishwasher valve, use the main shut-off for the house.
The Related Codes and What They Ask For
- F10, Overfilling water 1 on current machines. The published action here is different: unblock the drain pump, following the care and maintenance chapter. The machine has detected too much water because it could not get rid of what it had.
- F40, Inlet valve leakage, and its older equivalents F:40 and F5. Water is arriving when the valve is supposed to be shut. Asko's consumer wording is to shut off the water supply and contact a service technician.
- F41, Heater fault 1 on current machines. Its published action combines both isolations: turn off the water supply valve, then remove the plug from the power outlet, then contact service.
What Not to Do
Do not run the program again to see whether it repeats. An overfilling condition that has already triggered the guard once will put more water into the same place. Do not pull the machine out of its opening to look underneath; a built-in dishwasher sits on hoses and a cable cut close to length, and moving it while it holds water is how a slow problem becomes a fast one. Do not remove the plinth and start feeling around the base tray with the machine still live.
Why This One Is Worth Acting On Quickly
A dishwasher leaking into a cabinet run does it silently. Water tracks under the base of the units and into particle board, which swells and does not recover, and it reaches the subfloor before anything appears at the kickboard. The visible puddle is usually late evidence. If the overflow guard has fired, treat it as the machine telling you something it cannot fix, close the water and book an Asko dishwasher repair rather than waiting to see whether it happens again.