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Daniel T.
Daniel T., Home Appliance Technician
Category: Appliance
Satisfied Customers: 15635
Experience:  20+ yrs. experience in white goods repair. NVQ Level 2 electronics manufacturers training courses.
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After several years good performance our Bosch dishwasher is

Resolved Question:

After several years good performance our Bosch dishwasher is not cleaning properly, even on intensive setting. I have checked all the obvious features with no success. It seems that the wash water is not being sprayed with sufficient pressure. Our mains water pressure has reduced recently, could this be the reason?
Submitted: 7 months ago.
Category: Appliance
Expert:  Daniel T. replied 7 months ago.

Hi

Can you post the model number please. Its usually etched into the door frame in the top left corner as you open the door and starts E-nr.

Also do you notice it getting hot during the wash?

Regards

Customer: replied 7 months ago.
Number is ***** . Yes it gets hot. I have to leave now but will continue on my return.
Expert:  Daniel T. replied 7 months ago.

Ok if the dishwasher is getting hot then thats fine.

As to the water pressure being reduced this wont effect the dishwasher in washing as once its filled with water it has its own spray motor which sprays the water around so it doesnt matter if the mains water pressure is reduced as that wont effect the water inside the dishwasher spraying around.

What you need to do on this is remove both spray arms inside the dishwasher and give them a good clean out. Make sure all the holes in the arm are clear as if they get blocked they can cause poor wash results in there.

But if the spray arms are fine but its not spraying at full pressure then its usually the wash motor that fails. As if these go weak then it struggles to spray the water around the system at full pressure and gives a fault like this.

But check the arms first as this s something you can do easy on these. But if they are fine and its still not washing as it should then its possibley the wash motor itself at fault here im afraid.

Customer: replied 7 months ago.
Have checked the arms, they are free from blockage and seem ok. Is it practical for me to replace the motor? I am reasonably practical and have a wide range of tools. How much would a new motor cost.?
Expert:  Daniel T. replied 7 months ago.

The motors on these are about £120 roughly.

But i will admit they are a complete nightmare to fit. As the base is a sealed unit so you normally need to remove the metal tank from the base which then turns this into a nightmare job.

But what you can try is a fixed fee repair from Currys Knowhow. They do a repair plan for about £120 all in. So for that price they will call out and fix it and thats all you pay.

So its roughly the same price but they will do it for you which will be a lot easyer.

Daniel T., Home Appliance Technician
Category: Appliance
Satisfied Customers: 15635
Experience: 20+ yrs. experience in white goods repair. NVQ Level 2 electronics manufacturers training courses.
Daniel T. and other Appliance Specialists are ready to help you
Customer: replied 7 months ago.
Thanks for your help. I think I have all the info I need to make a decision on repair or replace.

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