Bosch 24 in. SHU53 Built-in Dishwasher - Answered Questions & Fixed issues

Question edited for clarity. Question moved to Model Series category. Two questions merged into One. Two questions deleted. Refresh page to see your question. Click Edit to add text. Service Manual https://applianceassistant.com/ServiceManuals/bosch_shi_shu_shv_dishwasher_1998.pdf Diagnostic Mode

How to Troubleshoot the Test Cycle on a Bosch Dishwasher

Hunker https://www.hunker.com > ... > Dishwashers Bosch dishwashers come with a built-in test cycle option, known as the Bosch dishwasher diagnostic mode, to help identify what's going wrong. The test cycle ... https://www.google.com/search?q=bosch+shu5312+diagnostic+mode ..

Question edited for clarity. Question moved to Model Series. The force of the water spins the arms. Can you hear the pump running? Have you cleaner the upper and lower filter? The lower one can block with fine lint enough to block flow and it the one owners forget because you can't see it easily. ..

I saw my repair man do the following, which you might try...
Open the door and simultaneously press & hold down the power button with the 2 buttons used on your model to "Cancel & Drain." If the unit comes on it now is in self-diagnosis mode. Release the buttons and close the door. The unit should start to fill with water. Press the power button to exit the mode.

Replace the circuit board.

You can try cleaning the cover assembly with a small brush (tooth brush works well), but the mechanism may be worn or broken and need replacement. This should be replaced as an assembly, not just the cover door.

E23 Winding resistance of drain pump fault. The controlled has detected a break or short in the drain pump wiring. Many of these dishwashers use this pump which is a cheap compatible one. Dado

Built in dishwashers usually have screw holes in the sides to screw directly to the adjacent cabinet. Have a look for plastic plugs down the inside of the cabinet opening and take them out to see if the holes go all the way through to the outside.

Press and hold Scrub Wash and Delicate/Econo buttons at the same time for three seconds. This will advance the unit to "CL" (clean), meaning the washing cycle is finished, and will drain the water. Do this if your unit gets stuck on 1 minute left, which is common with this model. (I am told that the control panel melts over time, and that the unit is not designed to last more than 10 years.)

Are the instructions on how to run the diagnostic test listed in the manual? FYI, I couldn't run the test on my Bosch DW because it was just too broken. Over the years the dishwasher essentially fried its own circuit board with excessive heat, which I learned is a problem common to Bosch DW's. Bosch told me the lifespan of my model was 10 years; mine was 11 years old (but was repaired once or twice). I replaced it with a Miele; no problems yet after 4 1/2 months.

o reset the control module AP2802870, you will put the dishwasher into the cancel/drain mode and let it complete the cycle. When you installed the new control remove the jumper from the original front lower right hand # 1 board male port. Starting from the extreme lower rt.corner, there is a 6-terminal connector with a jumper wire looping # 5 and # 6 terminals. (counting from the right to the left). Use this on your new board. Then reset the controls.

I think I may have figured out a work around (by accident).  Start a cycle (any cycle), once it starts hold down Scrub Wash and Delicate/Economy at the same time for 3 seconds and the cycle will immediately finish (counting down quickly then to CL) and it will begin to drain.  I had to do this 3 times(draining more each time) but the end result was a completely empty bottom of the Dishwasher. To be honest I think this is the first time the thing has ever been completely empty!  I wish I was joking...
Garth

Faulty light bulb.

Have you checked the water is one, can you hear buzzing from the inlet valve, likes it's calling for water but not getting any??

The problem is hard water. www.dishwasherfilter.com has a product to solve this problem once and for all. It filters the water going into your dishwasher and removes the hard minerals that leave those spots. It is very affordable and even has a money back guarantee. You will love the way your dishes look with this product.

My Bosch DW SHU5302 also got stuck during a cycle and ran and ran. Turns out this is a known problem with these DW's. The problem is that a trace on the main board burns off that controls the heater. If the heater doesn't come on then the DW keeps running waiting for the water to heat up. Re-soldering this trace fixes this problem. If you get a repair guy out, he will only change the board. They are not allowed to re-solder which doesn't fix the problem for long as the same trace will burn off. Did this about 8 years ago and it is still fine.

Hello, I just had to repair a similar situation on the same type of bosh. I removed the entire track that the water travels through to get to the spray arm in which I found no blockages at all. I still cleaned the entire path anyway. Next I removed the lower spray arm and examined the port hole that feeds the upper spray arm then removed the torx head screws giving me access to the sump area. When I could see the port holes on the sump I turned the unit on let it run for about ten seconds and then opened the door when you do this there is still residual water still comeing out of the hole if the sump is not clogged. Instead of disecting the pump I instead decided to just replace the sump as a whole came to about 32.00 for the sump. I installed the new sump and alleviated the issue the customer was having where water wasnt going to the upper arm. Afterwards I looked at the old sump trying to figure what could of been blocking the water from flowing. When you remove the sump on the underside in one of the ports there was a rubber piece that one of the hoses plug into that had come loose and enlarged on the inside of the sump itself. After reviewing the old sump I am quite glad I just decided to order a new one even though it took 9 days for me to get the part due to there were none in stock and I had to wait for it to be made. In order to just replace this rubber piece as well as pick it out of the inside of the sump at the time would have been not only a long tedious process but also a real pain in a customers 2.5m home with marble counters and floors. Needless to say the unit is now up and running. And a word to the wise use to 2x4s on each of the sides and remove the side panels as well. click this link http://www.applianceaid.com/pdf/SHE44C06UC22.pdf this is about the best bosch service guide I think that is out there at this time and it has helped me in repairing bosch dishwashers numerous times. If you have any further questions message me back. Thanks I await your reply Rick

Hello, welcome to FixYa.

Based on your post and my experience with Bosch, If it does fill with water as you said I have a question to it's behaviour once filling stops. Do you hear a humming begin after it has filled, and if so has the unit recently been idle for a period of time...say a couple of weeks or so ?

If yes, the wash impeller has possibly become stuck and if so there is a simple resolution for Bosch dishwashers, it's a common occurrence.

These are relevant questions and can point directly to the problem if you want to reply I can help you move forward.

Let me know what you find and I'll try to assist you in any manner I can going forward.

Regards,

Macmarkus :)

from my research all but 3 models have that option, I didn't see yours there, But if you contact sears or www.homeeverything.com I'm sure they can assist you

If you have hard water, glasses can look spotted and cloudy even after cleaning. Sometimes changing the dishwasher detergent can help. The easiest solution to clearing up glasses that start to look cloudy is toadd some vinegar to the bottom of the dishwasher before you start a cycle. Simply add 1 cup of white vinegar and it will clear up your glasses very well.
You should see marked improvement after the first time you do this. If they are not crystal clear then simply repeat the process until all of the cloudiness is gone. In fact I recommend to using a little vinegar in each cycle to maintain the clarity of the glass.
Note: you can pre-test this by rubbing some vinegar on an individual glass with a cloth. If you cannot remove the cloudiness by soaking it and rubbing vinegar on it then it is possible that the glass is etched due to harsh or cheap dishwasher detergent and vinegar will not solve the problem.

I have just finished changing the heater on my Bosch SGS55C02GB. It is a tricky job but fixed my problem for £100 instead of paying £350 to replace the whole thing. My model had no access hatch to the heater, as described by the previous solution, the only way to get to it was to take the whole plastic bottom off the unit. After reading other posts on other forums, taking the bottom off seemed like a nightmare job, so instead, I cut out a hole in the plastic tray with a jigsaw and created my own access. Obviously had to be vary careful not to cut any wires or pipes! This allowed me to actually get to the screws to undo them, and swap the heater for the new one. The only extra part I needed was a new jubilee club to replace the original one that attaches to the pump. The part I replaced was:
http://www.ransomspares.co.uk/parts/dishwashers/neff/instantaneous-water-heater/220088.htm
Good luck!