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I have a Bosch Dishwasher SHU5302. A year ago it just kept on running. I ran a diagnostic test and replaced the circuit board that had a burn spot. The unit washed after that but would not drain wa

I have a Bosch Dishwasher SHU5302UC/UC12. A year ago it just kept on running. I ran a diagnostic test and replaced the circuit board that had a burn spot. The unit washed after that but would not drain water. So I would use a ladel to remove the water collected in the bottom. It has been sitting about a year without use because I got sick. Today I had a repairman out. He found a kink in the water drain and stuff collected in the drain line. Some may have come from the disposal because the drain line was not raised above the disposal. He took care of that. However now the water does not come into the washer like it did before. He had to leave to do another repair. He thought the motor may be bad. I ran another diagnostic and it showed 1. This points to the aqua sensor, but I'm also reading about the water-inlet valve and float switch. My thought is that the issue may be mechanical because of the crud in the drain line. What's your suggestion? Brent, Jacksonville, FL: bdstake@juno.com

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How do I run a diagnostic test on the Bosch shu5315uc/u12? The cycle time of my dishwasher is at least 4-5 hours.


Long running time on a Bosch dishwasher is almost always a blown solder joint at the heater relay on the control board. You can resolder the joint, replace the relay or replace the control. Control board part number is 00266746.

Jan 13, 2015 | Bosch Dishwashers

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Bosch DIshwasher Woes


Does you Bosch dishwasher seem to hang up at finishing the dish washing cycle?<br><br>Since originally writing this tip 2-3 years ago (2009 maybe?), I have provided the upgrade to countless others who have had the problem. Here it is, 2013, and I continue to upgrade several control son a weekly basis. Please follow the information below, and I can assure you that your dishwasher will be up and running again - better than new!<br><br>I happen to own one of these beauties, and SHU4306, and while all the Bosch dishwashers in this series of dishwashers do an excellent job of washing the dishes, they also have a design flaw that is very expensive to fix as it requires a new controller board.<br><br>But the problem surfaced with our dishwasher a few months ago, and I was put to the test by the resident dishwasher at out house, who is not happy when the dishwasher is broken.<br><br>There is a relay on the controller board that will fail, sooner or later. Bosch even has a service bulletin for their techs on a recommended procedure to repair a burned place on the circuit board underneath the relay. However, the repair is short term, and eventually the relay will fail again (I know, I tried it.). The repair is not sufficient, and there really is a more economical, and more technically correct, way to repair the board.<br><br>After the Bosch directed repair failed, I pulled off my dufus cap, put on my Engineering cap, and dug in. Here, I found the failed relay, and discovered the flaw in the board design. I ordered a more substantial replacement, and two days later, I was up and running.<br><br>I know that the failure occurs on the following Models-<br><br>SHI<br><br>4302 4306<br><br>6802 6805 6806<br><br>SHU<br><br>3032 3035 3036<br><br>3302 3305 3306 3322 3326 3336<br><br>4302 4306 4312 4316 4322 4326<br><br>5302 5304 5305 5306 5307 5312 5314 5315 5316 5317<br><br>6802 6805 6806<br><br>9902 9905 9906 9912 9915 9916 9922 9925 9926<br><br>SHV<br><br>4303 4803<br><br>There may be others, and, other manufacturers may have similar issues.<br><br>Bosch also provides a test sequence for their dishwashers that anyone can put the dishwasher through to help isolate what the problem might be. I am sure other dishwasher manufacturers do the same, and I will continue to dig for those sequences as time permits.<br><br>Contact me for additional help and support in determining the cause of your failure, and instruction on what parts to purchase or what to do next. (Don't throw the dishwasher out with the dishwater, so to speak!.).<br><br>You can reach me at - BoschRepair "at" tx.rr.com - (type it in as an email address, just like it sounds :-) ).<br><br>I can also make repairs to failed boards, where I make the needed repairs and test the board on a test bench made up of the same components that are found in the dishwasher. I do this with quick turn around, normally shipping the boards out the same day I receive them.<br>All repairs are made taking into consideration my years of experience in HVAC and appliance repairs, including working as an Engineer in design of such equipment, working with listing agencies such as U/L and CSA. I know what the concerns are, and will only make repairs that I deem are suitable and equally if not more safe than the original design.<br><br>I can easily save you the cost of a new board, as my repairs are 1/4 the cost of a new board.<br><br>Looking forward to hearing from you!<br>

on Dec 18, 2009 | Dishwashers

1 Answer

How do i run a test / diagnostic mode for the bosch sge63e05uc (evolution series) dishwasher?


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.

May 22, 2014 | Bosch 24 in. SHU53 Built-in Dishwasher

1 Answer

Bosch Dishwasher model SHU66C06 doesn't enter wash cycle


this sounds like flow sensor failure,it it fails machine will either not fill up or fill and drain without washing its a cheap part to replace and is fitted downstream of inlet valve behind l/h/s side panel either attached to inle hose or heat exchanger.

Mar 03, 2017 | Bosch 24 in. SHU66C02 / SHU66C06 Built-in...

1 Answer

Hi, we have a Bosch SHU53EO6UC/14 dishwasher. It is getting stuck in wash and isn't advancing. We think it may be the timer but there are lots of references to running a test program. Unfortunately...


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.

Aug 29, 2011 | Bosch 24 in. SHU53 Built-in Dishwasher

1 Answer

Bosch Dishwasher continuous fill/drain


Have same problem with 2 second cycling. I resolder at the point of heater relay. Thought I had solved the problem of running forever on 1. Now have this "new" problem that you have described.

Nov 11, 2009 | Bosch SHU5315UC Dishwasher

1 Answer

One year old Bosch dishwasher stop wrking.will not


Start with the basics: Check the status of the breaker and the electrical connections under the toe kick panel. If the unitis getting power, You may want to call the dishwasher helpline to see if it is a recalled model. A free replacement of the control panel circuit board is available for many of these, but if the power switch is the culprit, you will need to buy a replacement button.
I have written a guide to help with drainage issues. The helpline number is near the top. It is here. Thanks!

Jul 02, 2009 | Bosch 24 in. SHU43 Built-in Dishwasher

1 Answer

Smelled like burnt board


Just so you know. Bosch has a 5 year warranty on any printed circuit board (excluding labor) so you pay only for labor charges. They have a 2 year warranty (again excluding labor) on the entire dishwasher. I am leaving a copy of my owners manuals warranty information I hope this helps.

Extended Limited Warranty: Bosch also provides these additional
limited warranties:
• 2 Year Limited Warranty: Bosch will repair or replace
any component that proves to be defective in materials or
workmanship (excludes labor charges).
• 5 Year Limited Warranty on Electronics: Bosch will repair or
replace any Bosch microprocessor or printed circuit board if it
proves to be defective in materials or workmanship (excludes
labor charges).
• 5 Year Limited Warranty on Dish Racks: Bosch will replace the
upper or lower dish rack (excluding rack components), if the rack
proves defective in materials or workmanship (excludes labor
charges).
• Lifetime Warranty against Stainless Steel Rust Through:
Bosch will replace your dishwasher with the same model or
a current model that is substantially equivalent or better in
functionality, if the inner liner should rust through (excludes
labor charges). Bosch will replace the stainless steel door if the
door should rust through (excludes labor charges).
The foregoing timeline begins to run upon the date of purchase, and
shall not be stalled, tolled, extended, or suspended, for any reason
whatsoever.
Repair/Replace as Your Exclusive Remedy: During this warranty

Jan 14, 2008 | Bosch 24 in. SHU43 Built-in Dishwasher

2 Answers

Bosch SHU5316


Sounds like the control module is out -- cost about $100 (I am on my third). I got a "lifetime" warranty when buying my second one. If you are handy, you can replace it yourself. You can call Bosch to confirm this (I did). It mounts inside the door.

Apr 15, 2007 | Bosch 23 in. SHU5302UC Built-in Dishwasher

3 Answers

Bosch SHU5300


If your heat cycle is not coming on, which it sounds like it is not, then you may have a problem with the heating system. There is a well known issue with many of the Bosch dishwashers that use the (266746) control module. Basically, there is a relay (which is a kind of electro-mechanical switch) that is used to turn on the built-in heater. There is a solder joint on the main Printer Circuit Board (PCB) that allow electricity to flow to the heater, that joint often will melt away and burn the surrounding area of the PCB. This is most likely a design flaw and appears to occur at about the 4-5 year mark. One way you can test for this is to run the onboard diagnostics routine that is programmed into the firmware of the micro-controller (brain) of the dishwasher. The way to do so it to press and hold the (Scrub Wash & Delicate/Econo) buttons at he same time and then press the on/off power switch to the on position. The LED lights above both those buttons should begin to flash, when they do, press them both again and the diagnostics program will start. It is a multi-phase program that will run for quite a while. Once it finishes, if it is a heating problem, it will end with a number 2 code in the display. If this is so, then it very well maybe the solder-joint issue on the control module and it will need to be replaced. It runs $128.10 US directly from www.bosch-appliances.com. Good luck.

Apr 11, 2007 | Bosch 23 in. SHU5302UC Built-in Dishwasher

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