Good evening my name is ***** ***** I will assist you with your query this evening
Can you please assist me in tracking down the exact model you have by providing the ENR which should be on the rating plate of your dishwasher
Many thanks please give me a few minutes to find the spec
Can you hear the pump running, when it tries and pump, and can you confirm the waste pipe is not blocked?
There are two pumps circulation which is a the larger of the two, and waste pump.
A replacement waste pump can be found here.
Looking at the size of it, you can see why it wouldnt last very long.
Suggest we keep the question open and you can come back to me if you have any issues, however as a starter I would strip it down use a multi meter to check your getting voltage to the pump, this proves its not the circuit \ sensors at fault. If your not getting voltage then you need to look at the float sensor which should be a reed switch located where the inlet valve is.
Sorry I have made a rather big assumption here when I saw "pump not working" are you referring to the water not being pumped out or the fact water isnt being circulated in the dishwasher?
I see you will probably find this link here, the most useful piece of information I can share with you.
No problem, I will await to hear back from you.
Good evening, I havent heard back from you in the last few days, do you still require assistance?
The pump should run at one speed, it sounds like there may be a blockage\flow restriction or maybe the impeller is slipping causing the issue.
I dont like your chances with the heater as they are normally moulded units so you cant really get to them, but you could try and put water through it and see what the flow rate is like, the heater is a £55 part which can be purchased here.
The fact you have two faults (not circulating) and also not draining means your looking at a new waste water pump in addition to either a new circulation pump or heater.
By in large the dish washer is a modular unit, so very diffiuclt to clean them or remove blockages. I think you are probably at the point where it would be uneconomical to repair.
Good luck Dave, as I say I think your looking at spares totalling around £100, and I would think the unit is approaching end of life at 8 years.
Appreciate if you can rate the service received, please feel free to come back to me if you have any questions once you have cleared the pipes and checked the flow rate through the different components.
Good morning, I havent heard back from you, do you still require assistance?
If the pressure is low from the circulation pump that would be a fault to investigate, what I find strange is that the original fault was it wasnt pumping out, however maybe that was just because it handnt completed a cycle due to the circulation pump failing.
I am afraid Bosh dont provide this information to engineers, I think in hope we dont find alternative motors.
Obviously if you can find the model of motor you can probably google the spec of it, some times the motors will have a RPM on the rating plate.