Question about Bosch SHU5315UC Dishwasher

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Bosch dishwasher SHU5315uc control board issue

Bosch SHU5315uc, cycle wasn't finishing (displayed 2H, ran endlessly, stuck on 1 minute, etc.)-- a month after warranty expired. We researched online and all signs pointed to a bad control board. Soldered the bad spot once, problem has recurred. Is there any point to buying a new board, or is this just going to keep happening? Should we just give up and buy a different dishwasher? If so, any recommendations?

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  • Bosch Master
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Check the main smoothing capacitor on the control board. Could be low value.

Posted on Jul 24, 2017

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Posted on Jan 02, 2017

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SOURCE: bosch dishwasher just keeps going and going

be shure its not under the rework

Posted on May 04, 2009

  • 109 Answers

SOURCE: What is error code 2H

doesnt sound like an error code it sounds like its the delayed start feature, not sure that bosch ever used error codes

Posted on Jul 07, 2009

  • 98 Answers

SOURCE: bosch dishwasher just keeps going and going

There is a recall on the control board of many of these models, butyour problem is likely not related. I have written a guide to help. It is here. Thanks!

Posted on Jul 19, 2009

  • 7 Answers

SOURCE: 2H displayed and pump runs nothing else happens

I, along with many others online, are experiencing the same problem. The bottom line is the control panel needs to be replaced. Beware, though, that the replacement panel may also be bad as I've seen many reports that they are poorly designed and Bosch isn't doing anything about it.
There are 2 things I'd like to clarify...
1) The display "2H" is an error code which, according to Bosch, indicates service is needed on the unit. The code is different from "2h" (note the lower-case letter h), which is what would display when the delay start button is pushed.
2) The number 1 showing at the "end" of the cycle does NOT mean 1 minute left. It is a 2nd error code indicating the unit has "timed out."

I'm waiting to have my control panel replaced a second time. The first repairman from Sears replaced the control panel with a refurbished one, but the unit still showed 2H. He was about to leave when I told him the problem wasn't fixed. He tried to tell me that the 2H meant the cycle would be longer than 2 hours because my water temperature was too low (it is at 120 degrees, the proper temp per Bosch). He said I needed to increase my water temp or else live with the fact that the dishwasher would take a long time to run through the cycle. I asked him to call Bosch and he said they wouldn't talk to him (he really had an attitude). I asked for a receipt (on which he commented the "dw works fine") and, after he left, I called Sears back to get a "senior" technician out to fix it. They ordered another (new) control panel for me and they'll be out this Friday to (try) to repare the unit. Hoping this time it will work.

Posted on Jul 29, 2009

  • 430 Answers

SOURCE: Cycle runs forever

Th Bosch units are prone to circuit board failure and this is the common symptom. If you are electronically inclined go the applianceaid.com and search Bosch for test codes to pinpoint the issue.There is an online picture of the faulty relay solder joint I repaired mine and a neighbors, Bosch will in some cases supply parts at no charge and they do not recommend repair, however IMHO it is a repairable cold solder joint very visible on the board. If you are good with needle tip soldering iron you are in luck

Posted on Sep 07, 2009

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Gets to the end of the cycle (1 minute left on countdown) and just keeps running, does not start the "dry" mode. will run until i open it and when i shut it it goes 13 minutes left on the...


Hello,

Welcome to FixYa.

Based on your description
I'd say the issue actually with the control...unfortunately. The "1" being displayed is actually an error code associated with a heating fault.
Bosch has had a history of this exact problem I'm about to lay out for you and this is the first thing I'd be looking for if called out to service the unit with the symptoms you've described. **B/S/H/ also issued a recall on certain models between 1999 - 2006 depending on the model & serial number, you can check with yours but you'll need the serial number too. The issue was directly related to the heating circuit (specifically the heat relay on the control) Here`s the link if you want to see for yourself **

http://microsites.boschappliances.com/safetyrecall/dishwasher/


As I've alluded to the issue is likely within the electronic timer/control, specifically the heater relay solder joint. ( a faulty flow switch, ntc or heater can also cause this, but not very probable ).

My first suggestion would be contacting Bosch re: the recall or calling in an authorized bosch service tech. if that is an option for you and your budget however, If you feel capable of checking this on your own, there`s a way to visually inspect the control yourself...it really isn't very complicated.

It will require you to remove the control from the unit and then remove the control from it`s plastic housing and look for a burnt solder contact on the printed circuit board.


dabfa62.jpg


The culprit will 99% of the times be one of the pins from the heater relay,

9f1823d.jpg

**Flip this over and inspect the solder joints, it will be obvious when you see it.**

This ones new, but it's where to look...

9119d99.jpg


...hence the unit sit`s and takes longer & longer to finish because it can`t heat to advance or unless the 2 buttons for "cancel" are pressed...or takes a long time as I mentioned and eventually display's "1" on units with a display and usually very poor cleaning as a result.

You can also run the unit through a regular or econo cycle ...any cycle with the exception of rinse & hold, and with the door panel removed place an ammeter on the gray/black wire it should draw 11 amps during the wash cycle...after it fills and the flow switch indicates it has adequate water to engage the heater.

i.e.

f57273b.jpg
**My Opinion - if you or someone you know is proficient at soldering, a lot of times it can be remedied by simply repairing the solder...but it has to be done well...or it will not last, although Bosch recommend`s replacing the control and I don`t pretend to speak on there behalf nor do I profess to know better. This is just my experience (it work`s) and my opinion (why buy new if one can repair ?)**

**Please disconnect the power or turn off the breaker before attempting any service to the dishwasher.**


If you do not feel comfortable attempting this service, call a local pro, preferably one familiar with Bosch/Thermador/Gaggenau/Siemens, to service your machine.

Hope this answer`s your question, let me know if I can assist you further.
Thank`s for visiting "FixYa" for your repair inquiries. Please take a moment and rate this solution to it's helpfulness.

Good luck.

Regards,

Macmarkus :)

Nov 24, 2010 | Bosch SHU5315UC Dishwasher

1 Answer

Bosch Dishwasher, SHU 5300 - Cycle stuck on 2H cycle


yes it needs a new control and its pretty easy to replace..

Dec 13, 2007 | Bosch 24 in. SHU43 Built-in Dishwasher

1 Answer

Bosch SHU5315UC dishwasher doesn't end cycle


make sure 120 degree water enters the diswasher

Feb 08, 2010 | Bosch SHU5316UC Dishwasher

1 Answer

Cycle runs forever


Th Bosch units are prone to circuit board failure and this is the common symptom. If you are electronically inclined go the applianceaid.com and search Bosch for test codes to pinpoint the issue.There is an online picture of the faulty relay solder joint I repaired mine and a neighbors, Bosch will in some cases supply parts at no charge and they do not recommend repair, however IMHO it is a repairable cold solder joint very visible on the board. If you are good with needle tip soldering iron you are in luck

Sep 07, 2009 | Bosch SHU5315UC Dishwasher

2 Answers

SHU5315UC control panel


I've heard this song before.You are on the right track.the solder joint that burns out feeds the heater relay which draws the most current.make sure you got a good connection at main feed.use ceramic wire nuts.possible bad heater but have only changed 1 out of hundreds of bsh repairs.lousy boards !!!

Jun 24, 2009 | Bosch SHU5315UC Dishwasher

2 Answers

2H displayed and pump runs nothing else happens


I would check the buttons on the control they may stuck. check the delay button..

Dec 21, 2008 | Bosch 24 in. SHU53 Built-in Dishwasher

1 Answer

Error code 2H


The control panel needs to be replaced (indicated by the "2H" error code displayed at the start of the cycle).
BTW - The number 1 displayed at the end of the cycle indicates the cycle has timed out (i.e., it doesn't mean 1 minute remaining). Hence the continued running of the unit. Until you replace the control panel, you'll have to manually cancel the cycle at this point.

Oct 08, 2008 | Bosch 24 in. SHU53 Built-in Dishwasher

2 Answers

Error code 2H.....or stops on last minute


I don't think you'll find it's the control board.
I think you'll find it's the heater box.
Not an easy job to do yourself unless of course you know what you are doing.
I would suggest you contact Bosch. One other possiblity is that the water inlet is blocked, although to be honest this is very rare.
Deep Diver

Dec 31, 2007 | Bosch 24 in. SHU5305UC Built-in Dishwasher

2 Answers

Electronic controls don't count down properly


you have to replaced the main control resoldering wont fix it because the relay itself has gone bad replacing the board will solve the problem

Nov 20, 2007 | Bosch SHU5315UC Dishwasher

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