Question about Bosch 24 in. SHU5305UC Built-in Dishwasher

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Machine runs for 4 hrs and 2H shows

Does anyone know how to get this model Bosch to stop running the cycle for 4 hours and why the code "2H" shows in the lighted window?
thanks, lisa

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Problem machine ,replace the control electric

Posted on May 21, 2008

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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. Mine is a BOSCH 5316.

Posted on Jul 23, 2008

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Delayed start says H2 won't stop running...please advise!


Hello, Welcome to FixYa. On Bosch dishwashers with display such as yours the 2H indicates the cycle wash time is exceeding two hours and it should not. This is typical of a heating error so the cause must be determined. The question must be asked, is it a heater, a flow switch, an NTC or the actual control ? I can also tell you most times it is the control. I am presently on my iphone and as such don't have access to my files but if you check out my profile under dishwashers you will find a detailed explaination of how the check. Look specifically for units that show "1" and run & run. You will also find a link to the Bosch website on info regarding a recall which relates directly to your model and said issue. Otherwise I will post more info for you in the AM . Regards, Macmarkus :)

Mar 07, 2011 | Bosch SHU5316UC 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

Stays on 2H when turning on


Hi welcome to Fixya. You're right what you're describing is not delay start, but rather a problem with one of the heating component's and most likely the heater relay on the electronic control. The wash cycle has exceeded two hours without a temperature increase of the water and therefore the control "thinks" something is wrong. Whether there is or isn't remains to be seen. Likely if you let the unit operate from that point of displaying "2H" it will run and run for several hours and not heat the water. You can confirm this by pulling out the control and visually inspecting the printed circuit side of the control. Look for a burnt solder on the opposite side of the largest relay ( black or orange retangular box ). That will confirm the heater relay is faulty and the control either needs to be replaced or repaired if you are capable of resoldering the board. Let me know what you find and I'll try and assist you further if you require any. Thanks for visiting "fixya" today and good luck moving forward. macmarkus :)

Jun 27, 2010 | Bosch 24 in. SHU53 Built-in Dishwasher

2 Answers

I Have a Bosch SHU5312/u11 that is showing 2H on


Hi,

To answer your first question, in a word Yes. To address the second question, Yes. The control module is easy to replace but the better news is it is also repairable, ( you can make an educated decision when I'm through on whether to replace or repair, that is obviously up to you ) but I'd like to enlighten you if you'll allow on what to look for, and why.

The issue with your Bosch dishwasher likely lye`s 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 ). This is why it runs forever unless pressing the two buttons for "cancel". It has nothing to do with a "delay". The 2H stands for two hours and is actually the estimated time the unit took to complete it's previous cycle based on data to the control gathered and stored in memory...it is not "actual" time, it never is on Bosch. there are far too many variables to be "actual" time and since it only goes to two hours in the display, that's what is displayed even if it runs for four hours.

To repair your unit 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. This will be one of the pins from the heater relay, hence the unit sit`s at 2H ( because it can`t heat to advance or until canceled ) trying to heat the water.

**Further to this, if you or someone you know is proficient at soldering, a lot of times it can be remedied by simply repairing the solder...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 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, to service your machine.**

Hope this answer`s your question's, 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 to you and leave a testimony if you're satisfied.

Good luck.

macmarkus :)

Apr 29, 2010 | Bosch 24 in. SHU53 Built-in Dishwasher

1 Answer

My bosch dishwasher control panel displays 0H on the time delay. When I start it the OH go to 2H. It then starts running and does not stop. The cycle minutes don't display. It's model number SHU5302UC...


check to see if your unit has a recall on it because if it does you will get a free control module from bosch.
your problem is the control module. thermador .com is the site to lookup. gaggenau,bosch,thermador they are the same ccompany. let me know if this helps by sending a 4 thumbs up post

Feb 27, 2010 | Bosch 24 in. SHU53 Built-in Dishwasher

2 Answers

Touchpad--No Response


The "2H" is an error code indicating the control panel needs to be replaced.

May 08, 2009 | Bosch 24 in. SHU53 Built-in 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

2 Answers

Problem with Bosch built-in Dishwasher Model SHU6806UC


I had the same problem and just today replaced the control board module. Purchased the control module online and installed in myself. Was not that difficult. undo the screws (torx screw driver needed) unhook the connections to the board and label all. Pull the board out and open, found burned connectors. Now works like a dream.

May 27, 2008 | Bosch 24 in. SHU6802UC / SHU6806UC...

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

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