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Heilcull Oct 30, Bosch. Replies 0 Views Oct 30, Heilcull. Nov 1, tulleigh. AJ Jul 27, Bosch. Jul 27, AJ Jack73 Aug 6, Bosch. Replies 2 Views I have tried a new circulation pump and control panel but no change. Mine is older so no fault codes.
What was the fix for your washer? I had to clean out the inlet pipe below the pressure chamber leading into the machine as it was full of gunge. Prior to cleaning this the Machine wasn't filling. It's now filling but similar probles to above. Incidentally the Pressure chamber Water Lever Control System looks a bit full of gunge also, so I'm wondering if this is my overriding issue?
Like the guys any help Greatly appreciated. As No Technician will come to my house now with the current lockdown situation. Wondering if it is not the flow switch but perhaps something in the heater circuit, although you'd think since it passes through the cycle up to the drain point that perhaps the circulation pump is the problem.
Just fixed my Bosch dishwasher different model I know and it failed to start washing due to a faulty flow meter switch. Works out that it checks that the washer is filling by signal coming from the flow meter switch, not because a float switch has operated when enough water has entered in a given time.
Couldn't find a glass encapsulated reed switch of the correct size or connection to fit correctly on the pcb. Oh well ;-. Trying to find the proper schematic for this model that might shed more light on this. Sure possible that the heater circuit pops up as a secondary fault. According to this link the dishwasher has a circulation pump and also a replacement circulation pump impeller and seal kit - interesting that there is a replacement for this - does it fail often enough to have a spare!
This link also has the parts but also shows the parts diagrams use the slider down the right side of the diagrams to see more , which may be of some help, e. Regarding the hot water. I took this to mean that you were supplying hot water to the dishwasher.
If this was the case it may still require a heating element to increase the temp to the set wash temp if this was higher than what was supplied. Try placing both spray arms in a position that you remember and then turn on the dishwasher. After it has filled and started to "wash" open the door and check the position of the spray arms. It is the water pressure from the circulation pump that causes the arms to rotate, dispensing water. If they haven't moved then you need to check if power is getting to the circulation pump or if both spray arms dispensing holes are all blocked which would seem unusual.
If only the top spray arm hasn't moved then it may be a blocked pipe from the circulation pump to the spray arm as usually the lower spray arm is connected nearly at the pump housing. Since you have changed the pump and the control panel but not the control board first try using an Ohmmeter to check the continuity of the pump power supply wires from the control board to the pump.
Do this with the power totally disconnected from the dishwasher. If you know how to safely test for lethal voltages you could use a Voltmeter and check that voltage is being applied to the pump when it is in the wash cycle. I have checked voltage with a meter, the circulation pump is getting v at the pump when it is supposed to be spinning but just sits and hums. The pump came with a new capacitor. Both pumps do the same thing as well as the control boards. Nothing sprays.
It will go through a complete cycle , fill, etc, even the soap pops out of the dispenser when it should. Everything else seems to work as normal except the circulation pump.
I have take apart the sump further to make sure there aren't any blockages. The aqua sensor looks ok, no build up of anything. It has to be something simple but not sure what else to look at.
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