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Samurai Appliance Repair Man's Blog

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How to Remove the Main Control Board in a Bosch Ascenta Dishwasher

Samurai Appliance Repair Man

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The Bosch Ascenta line of dishwashers disassemble very differently from the older Bosch dishwashers you may be familiar with. In the older Bosch's, the main control board is easily accessible in the door control panel, just like you would expect. But not with the Ascenta line. The Bosch engineers thought it would be a great idea to put the main control board way down at the bottom in back of the dishwasher so you have to pull the whole dishwasher out to get to it. Brother Chat calls the dance steps on this procedure:

Tools needed: # 2 Phillips and flat blade screwdrivers

1. Disconnect & pull out dishwasher.

2. Unplug power supply cord from rear of power module.

3. Lift off tank fleece insulation from right side of dishwasher.

4. Lift off cover from power module

5. Two plastic base tabs hold the power module in place. To remove power module, gently pry base tabs until they clear module and lift the module up from the base. If necessary, gently pry up the rear of the power module.

6. Disconnect top / side wire harnesses from power module, making sure to remove the harnesses with their caps, not individually.

Not all terminals are used. To protect power modules, two plugs are used to cover unused terminals.

TIP: Check error codes before replacing power modules. Many good power modules are replaced and faulty parts aren’t replaced, causing repeat calls.

CAUTION – 80% of all controls returned for analysis check out OK. Most control issues are due to loose connections and error codes for other parts.

And here's the service manual for the Bosch Ascenta dishwasher: Bosch Ascenta Dishwasher Service Manual, 2nd Edition

Source: Bosch SHE6AP06UC/06 dishwasher

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