Bosch 24 in. SHU5305UC Built-in Dishwasher - Answered Questions & Fixed issues

make certain that there is water coming into the d/w if so and you are sure that the solenoid on the water valve energizes then its possible that the strainer on the water valve might be clogged if so its going to take a bit of work to remove and clean the strainer and reasemble it are you confident .

Yours might be under recall http://microsites.boschappliances.com/safetyrecall/dishwasher/popup_ModelList.aspx you might have a bad control board

Left hand side

Bosch Dishwasher Repair When the display is stuck on 2H it often means the heater is not working. If the water is not heated, the cycle will never complete. It is possible the heating element is bad, but a more likely problem is with the control module PC board. The solution requires some basic repair and soldering skills plus the tools to do the job. Bosch recommends re-soldering the connection to the heating element relay (see page 11 of "SHU/SHI/SHV Dishwasher Troubleshooting Tips") free download here The problem is that the circuit board copper is not heavy enough to handle the heating element current, causing the copper to heat and melt the solder connection. A better solution is to solder a short length of copper wire between the two pins to provide more copper and reduce the chance of heating as shown in the attached photo.

Here is an excerpt from "Bosch Dishwasher Troublesoooting". Running a Test Cycle Bosch dishwashers have a test cycle which can be run as a troubleshooting measure. The method to run this test cycle is similar across the Bosch dishwasher range so if your dishwasher features seems different from those described below then try experimenting, as the process is fairly straight forward and will be very similar. Bosch dishwasher model numbers are usually found around the top or lip of the door. One of the most common differences between dishwasher models is simply the names of the buttons. For example in the first example below, POWER SCRUB PLUS and REGULAR WASH may be called WASH and ECO depending on your dishwasher model and the country you are in. The other key difference is whether your dishwasher has a display panel (which can display error codes) or not (in which case a program light will illuminate to tell you the fault. To run the test cycle hold down the POWER SCRUB PLUS and REGULAR WASH buttons. Whilst held down press the ON/OFF button. The lights above them should flash. Now you can check the status of each dishwasher program by pressing its button. Now you can run the full test cycle = Press the POWER SCRUB PLUS and REGULAR WASH buttons again. The dishwasher will start up and when the cycle has ended one, if you have no display panel on your dishwasher model the indicator lights will illuminate if a malfunction was detected as follows - CLEAN - A temperature sensor fault. If this is the case then the test cycle will be very short as the dishwasher will terminate the test once it's been detected. RINSE/DRY - A water sensor/filling fault. If this is the problem then the test cycle will not complete as the dishwasher cannot detect the right level of water, the dishwasher will just keep filling and draining again. WASH - A heating fault. Check your heating element. If you do have a display panel on your Bosch dishwasher then after the cycle is complete an error code will be shown if a fault has been detected. The error codes are as follows - 0 - No errors have been detected. 1 - A water sensor/filling fault. 2 - A heating fault. 4 - A water filling fault. This can also appear as F on the display during a normal cycle. 8 - A temperature sensor fault. When troubleshooting your Bosch dishwasher, running the above test cycle is a good start in diagnosing the problem and should give you an idea of where the problem lies with your Bosch dishwasher and what fixes and repair are in order. Our general troubleshooting page will give you some ideas on other things to check on your dishwasher. Good luck!

My Bosch dishwasher did the same thing. When the wash cycle starts, the dishwasher fills with water and then the heater is supposed to turn on to heat the water. If the water does not heat, then it will display 2H continuously. The heating element may be bad, but a more likely cause is with the control module. Bosch has a problem with the control module printed circuit (pc) board that powers the heater on many models. The solution requires some technical expertise and soldering skills. The details are explained in the document "Bosch dishwasher troubleshooting tips" on page 11. Download hereBosch recommends re-soldering the connection, which is a temporary fix. The problem is that the copper conductor (called a trace) on the circuit board is not wide enough to handle the current required for the heating element, and as a result the copper trace overheats, causing the solder to melt on the relay connection. The best solution is to remove the control module PC board and solder a short length of copper wire between the pins to prevent the overheating problem, as shown in the attached photo (magnified portion of PC board). I did this on my dishwasher and it has been trouble-free for over 3 years.

So the wall plug is good and has power. But the dishwasher has no power. Sounds like you need to replace the door lock switch this kills all power to the unit because it makes sure the door is all the way shut and locked before it will operate if something is out of whack in this set up the dishwasher just does not function period. This is where i would go first. Please rate my solution it is how i earn my achievements. Thanks in advance.

You must correct the water temperature problem. The water is not hot enough.

1. • 1 Turn the breaker switch for the dishwasher to the "off" position at the breaker box before attempting to remove the dishwasher panel.
     
   • 2 Locate the screws on the lower access panel and unfasten them with a screwdriver, setting the screws out of the way.
     
   • 3 Detach the control console from the top of the front panel by unfastening the screws underneath the console with a screwdriver and setting the screws aside.
     
   • 4 Find the screws at the bottom of the front panel and unfasten them with a screwdriver, allowing the panel to slide down. Take the panel off the front of the dishwasher.
     

Hi, I have an older dishwasher also and recently mywife also complained about it not cleaning right... so me being the man I amtried in vain to clean the things... Bought new spray arms online and installedthem in minutes...now the thing works like new... However I have also foundthat if the heating element goes bad then that also can mess things up bad...So I would buy new spray arms, and also check out the heating element to makesure it is working... Here is a tip that will help you with the onlinebuying...
Dishwasher SprayArms not Spinning

How to Buy ApplianceParts Online

A bad heating element causes many problems in dishwashers...

Dishwasher Problems The HeatingElement not Working

DishwasherMaintenance DishwasherResidue and Film on Dishes

heatman101

Asker's Testimonial "explanation very clear. will give it a go and see howsimple it was. thanks Ronnie " - ronnieshomes

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its just the air-gap on the inlet system,sometimes a slug of debris gets near the air-hole in the side of this gap and redirects the water flow,just easily run a screw driver of the right size down the water tube and then try filling it again and see if this helped

Hi,

The scum, film and white residue problems have started since the reduction of phosphates in dishwasher detergents.

Here is a tip that will help you to solve the problem of films, residue, and scum in your dishwasher.

Dishwasher Residue and Film on Dishes

heatman101

Hi,

The scum, film and white residue problems have started since the reduction of phosphates in dishwasher detergents.

Here is a tip that will help you to solve the problem of films, residue, and scum in your dishwasher.

Dishwasher Residue and Film on Dishes

heatman101
,./,././

Hi, your filter at the bottom on the inside of the machine must be dirty. Need to remove it and clean it. Good luck

Sorry to read about your problem, I hope this helps you out.

flip your circuit breaker, and see if the unit will reset, If it does not reset you have a control board failure..
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DANGER stop using your dishwasher HEALTH CANADA WARNING Health Canada has forced Bosh to recall SHU 53 models. Risk of fire see link below.
http://cpsr-rspc.hc-sc.gc.ca/PR-RP/recall-retrait-eng.jsp?re_id=631&searchstring=&searchcategory=&searchyear=&StartIndex=1&current=true

Water coming into the dishwasher should be 125 degrees if not you will have cold/warm water. This will case poor wash/dry and longer wash times. If you have correct water temp. change out your control. Your heating relay is bad. part#266746
Please rate me a 4 if I was helpful.
Have a great day!

Hi,

Kindly explain ' water not start '?

Do you mean that When you start any cycle, it makes a sound like it attempting to work, but water is not moving in or out of the dishwasher.Does it make any humming sound?

Pour in a gallon of water and start the cycle, does it drain out in the first minute or two?

Let me know,so that we could proceed.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

your main control switch/selector is bad

Bosch dishwashers do not have built in heated dryers. Be sure your water is hot enough and the rinse aid dispenser is not empty. The Bosch should heat your water to a minimum temp and if it is not, this could be your problem.

Ken