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Sometimes during trasport it is possible that styrofoam float mechanicaly activated overflow microswitch. So, you should check complitely overflow system.
At any time, if overflow micro-switch act and keep for longer than 2 seconds, the E4 would occur. When E4 occurs, the drain pump will run until flowmeter keep motionless for 2 minutes (if the model with the pressure switch (83/63),drain pump would run till the pressure switch reset and continue draining for 60 seconds.) and all the other components will be stopped immediately. At the same time, the buzzer will alarm for 30 seconds and error 4 will be shown. Note: Priority level of E4 is the highest. E4 operation is valid after other error operations have done. When E4 operation has done, all the others are invalid.
When the Dishwasher is not filling in, you'll need to check for the water inlet valve, the filter screen and the float switch/assembly. Also check for the float assembly inside the dishwasher. When water is filling your dishwasher, a float rises along with it. As the float reaches a certain threshold level, it shuts off the flow of water, thereby preventing a leak. Sometimes the float can get stuck in the wrong position in your dishwasher, and it can prevent your dishwasher from filling. Sometimes it can happen due to float valve and on other occasions due to float switch. Inspect the water hose coming to the dishwasher for any blockages. If these are fine then it's due to Water Inlet Valve. Use a multimeter and check for the continuity on inlet valve. If you don't get any value on the multimeter then you'll need to replace the water inlet valve assembly. Hope this helps... Please post back for any further assistance.
E4 is an overfill code caused by water pressure problem.
On the base of the unit - (underneath the kitchen plinth) there are 2
black plastic clip panels - each these of with a blunt knife or screw
driver and turn off the appliance at the mains. In there you will see
lots of wiring etc. Simply get a dish cloth and mop up any water that is
in there, particularly at the back left as that is where the sensor
that detects the over flow is. Its simply a rubber valve that is boyent
and so lifts when water is present. then once most of the water is
removed, turn on.The problem would be solved.
TO PREVENT THIS HAPPENING - when you take off the kitchen plinth you
will see 2 small clear pipes in the centre - between the 2 plastic
panels. These are cable tied. Simple cut the cable tie and feed the
pipes out of the dishwasher - place a bowl under tehre if you whish.
This will prevent overfloww water enterin the base. BE WARNED BY DOING
THIS THE DISHWASHER WILL NOT HAVE ANY OVERFLOW PROTECTION CAUSING
POSSIBLE DAMAGE TO KITCHEN AND APPLIANCE. My advice would be to leave
it in place but try to prevent overflow - i.e rinse plates first or try
a different brand of wash tablets. If it does happen then the fix is
simple and you definately do not have to remove the unit as many people
This might be a re-badged generic dishwasher - on my Baumatic E4 error caused by floatswitch in bottom catch tray. Some (supposedly small amount) water collects here and should evaporate naturally. If it accumulates, float rises and stops machine.
TURN OFF THE POWER
try to find a way into the machine base catch-tray to sponge it out - on the Baumatic there are two large black plastic plugs on the front of the machine base that can be forcibly flipped out.
failing that, take machine out and tip it up to get rid of water
It obviously has leaked water on the connections underneath, Lean the dishwasher back and see if any water comes out the bottom, then leave it standing for about a week to dry out and hopefully it should be ok.
E4 commonly means an overflow detected in the bottom over flow tray - try removing the kick board from the front of the machine - you should see 2 plastic black panels about 4 inches wide each, using a flat edged screwdriver pop the panels off and you will see the mechanics of the machine - the base is classed as the over flow tray - when water fills this tray a polystyrene float is pushed up and an E4 error code is detected - tilt the dishwasher back and allow the machine to dry out before trying it again - this should work unless the water seal around the filter basket is broken - in this case an engineer should be called to replace this part. Hope this Helps.