Question about Bosch 23 in. SHU33A Built-In Dishwasher

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Unit is dead i have power to control board but no out put need wiring diagram

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Re: Unit is dead i have power to control board but no out...

Its most likley that you will need to freplace the main control. I have run into that problem quite a few times, and by replacing the control solves the problem.

Posted on Jul 24, 2007

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Where is fuse located...part #3601-001197

The part number you provided is invalid--Samsung parts start with DD such as the main board is listed. The main board part number is DD92-00033B. There is no fuse--I've scoured the exploded diagram and parts list--there is a leakage sensor located at the bottom of the unit, directly in the center of the bottom frame. If water is detected, the sensor tells the main board to shut down. The main board is located behind a cover at the base of the dishwasher below the door. You will have to remove the kick panel to access it. WARNING--that main board cover can be tricky to put back on. It's metal, has a relatively sharp edge, and if installed improperly, will cut into the wiring harness--and that will be a BIG oops! Make darn sure you route the wiring harness properly so the cover fits properly without pinching anything(ask me how I know this--and I'm a tech--it can happen to the most experienced person). BTW, did you have a power outage recently? Maybe 3-4 weeks prior to the problem. Outages are notorious for damaging circuit boards. If your unit is totally dead, you might have a blown main board--that's why I gave you the part number. The user interface board(touch panel) is DD92-00037A. The display board is DD92-00038A. I hope I helped you!

Sep 12, 2015 | Samsung DW80F800UWS 24" Stainless Steel...

1 Answer

Hi I have a whirlpool dishwasher, power is present at stub, thermal fuse is fine, but no power ( lights on control board don't light) otherwise. Cannot start machine. I changed out the thermal fuse

Hello Clinton;

My name is Peter. I am a retired field service appliance technician.

If you have power going into your unit, your display board should light up. You need to get to your control board. Turn power off to your unit, push in on the wires to your connectors, inspect the board for burn marks or melted connectors.

Before you touch your control board ground yourself by touching something that is bare steel. Static electricity will knock out a board. Do the same if you replace the board. The part number of the board is on the board. Do not buy locally. You can get some great deals on the internet.

You did not provide a model number so I can not tell you how to access the board.

Go into the following website, type in your model number and you will get diagrams of your unit for disassembly.

Water Filters Lawn Garden Appliance Parts

Dec 21, 2014 | Whirlpool Dishwashers

1 Answer

Jet arms will not turn

check if its dead then the power coming into the unit is bad or the fuse inside on the control board has blown.
check the power at the dishwasher and if all is well then open the door, remove all the screws from around the edge, raise the inside panel, swap the fuse thats on the control board
If the control panel is not lit at all and the dishwasher doesn't function either then you will have to check the fuse. The fuse is on the control board. It is a white flat plastic fuse that is on the front of the control board.Remove the screws from the inner door. There should be about eight or so screws that need to be removed from the door we it is opened.

After those screws a removed you can pull off the inner and outer door to expose the control board in the top portion of the door. It is usually in a black plastic cover that protects the board. You will need to depress the clips on the black plastic cover on either side to release the cover. Once the cover is off you will see the control board and fuse attached to the control board.

If you have a meter you can check the fuse with continuity. First unplug or turn the circuit to the machine off. Then take the wires off the fuse and put the leads from the meter onto the terminals of the fuse. And then set your meter to ohms or continuity. You should read 0 ohms or a tone with continuity. If the fuse is good and has continuity then you need to replace the main control board.If the fuse is bad you will have to change it.

Jun 26, 2014 | Whirlpool DU930 Built-in Dishwasher

1 Answer

No power to controls

Hello - Before performing any maintenance or work on the dishwasher, please disconnect power to unit! Edges of door may pose a cut hazard, use gloves or a heavy cloth when grabbing edges.

Remove Covering (i.e. outer door, console, kickplate) to access load that is not switching.

>Is the electrical device connected to the harness? If <YES>

Loosen the screws on the C-arm, push the door down & tighten the screws to align the door with strike, is the unit a pull latch Model? If <YES> You may possibly need to order an angled striker Part # 154544601 (part number can be different depending on your model number). If <NO> Bend the striker down to align with the center of door slot.

If the electrical device is NOT connected to the harness; connect the harness to the electrical device. Replace all coverings and reconnect power to the unit.

Put the unit into water service test. Step through test and determine which Load is not switching.

Should this prove to be unsuccessful I suggest contacting a professional to move forward accurately.

Oct 25, 2012 | Frigidaire Professional Series 24 in....

1 Answer

We replaced the heating element and control board

Hi Paul,

First off check to make sure you have incoming power, that the circuit breaker is not tripped or fuse blown, the outlet it is connected to has power, no switch that controls that is off.

If power is going to the dishwasher the most common reason for the unit to be dead like this would be the thermal fuse. The thermal fuse is a device that clips on to the control board you just replaced. It senses the temperature of the board and trips if it gets too hot. My guess is that it either is not clipped on to the new board in the right spot or one of the wire connections to the board or this fuse is not tight and creating enough heat to trip it.

You will need to replace this fuse if it is bad, it will come with new wires for it. Be sure to install the new wires, the kit will have instructions.

Apr 25, 2010 | Kenmore 24 in. 16472 / 16474 / 16479...

1 Answer

When the unit was running it quit the display went blank? is there a fuse somewhere, all i can find is a printed control panel. DU1055 model.

Does it function at all? If not it's prob not the fuseable link. I'd put money that you have a bad contriol (the circuit board has shorted). I have the same model. Mine shut down during a wash cycle - totally dead. It has power but doesn't function. The wiring diagram (located down on your kick plate) explains how to test various components. Two things you can do when the unit has power but is dead - Turn off the power to the unit. Open the door and unscrew the six screws that hold the top of the dishwasher together. The front top control will now be loose.On the backside there is a gray cover. push the tabs back and remove this cover - make sure the power is shut off at the breaker). Under the cover you will see your circuit board and a bunch of wires. There is a 14 pin connector that connects the circuit board to the key pad. push the tabs back and lift out the circuit board. carefully unplug the 14 pin connector and leave it unplugged. Put your circuit board back in and install the gray cover over the controls - leaving the 14 pin connector unhooked. install the six screws - basically putting the thing totally back together. Leave the dishwasher door open and turn the breaker (power) back on. Count to five and close the door. If you have a bad key pad your dishwasher drain motor will cut on and run for 2 min. If the control is bad (the circuit board) nothing will happen. The control is fairly easy to replace - costs around $122 bucks for parts. Hope this helps!
Oh yeah, if you want to check the fuseable link it's the round thing on the circuit board - has two black wires going into it. MAKE SURE the power is turned off at the breaker before you mess with this.

Feb 19, 2010 | Whirlpool DU1055XTS Built-in Dishwasher

1 Answer


There is no fuse in this unit.

If unit has power but it is not cycling, then test wirings and circuit board.
Try first unplugging and plugging back the unit.

If there is no power at all , and the machine gives no sign of life, test the power cord and and the control assembly. In UK and other country there is also a fuse inside the power cord plug.

Here you find all diagrams and parts for your appliance <Click to open>.

Mar 15, 2009 | Dishwashers

2 Answers

My maytag dishwasher appears dead just after 1 year

You probably have a bad main control or console control unit in there. Turn power off to the machine, be sure that BOTH of your door switches are ok. Unplug your membrane to control panel ribbon cable, then put everything back in place. Leave the door open, then turn power back on to machine. (also, be sure the thermal fuse hasnt tripped while your in the console). After re-appling power, close the door, and wait a few, if the console unit is bad, the machine will go into drain mode (you will here the unit start in drain). If no drain mode, then your control is shorted. You dont have to see any burn marks, etc for one to be bad, in fact, 98% of the boards we replace, dont show any signs of problems. Let me know what you find out.

Nov 15, 2008 | Maytag 24 in. MDB5600A Jetclean II...

1 Answer

Unit is dead: does not appear to have power

Hello chicagogunn,

You said,Your unit stopped working mid-cycle. You have verified that there is power to unit. Is there an internal fuse which could have been tripped? None of the lights on the control panel currently light.

There is a thermal fuse!
Go to this repair web site I listed below and you will see the diagram
1. Diagram Page 02 - CONTROL PANEL PARTS
2. The thermal fuse is, Item # 6 on the diagram.
3. Click on page two on the left at this site.
4. And then in the upper right corner it says Open This Diagram in a New Window

6 8193762 Fuse, Thermal Electronic In-Stock $ 13.25
Let me know how you do!!
Please remember to leave a rating!!!!

Here are four things that the repair manual says to check.
Burnt or broken wires
Check for burnt or broken wires. This would include the wires on the timer and door switch. Also check the wiring connection where the main power connects to the machine.

2. Defective Timer
The timer is a series of switches that controls all machine functions. If one of the contacts in the timer is defective, the machine will lose that function. knowledge of the the use of a volt /ohmmeter is essential to testing the timer as well as the ability to read the timer sequence chart that is supplied with the machine. In most cases this requires a professional technician

3.Door switch
The door switch is wired in series with all components on the machine. If the door switch is defective, the machine will do nothing. Check the door switch for continuity

4.No Electrical power

Ensure that the proper voltage is being supplied to the appliance. Check the breakers or fuses that are supplying the power to the appliance electrical outlet. You can use a voltmeter to test for voltage at the electrical outlet.

Thank you Huuum

Oct 17, 2008 | Whirlpool GU2400XTP Built-in Dishwasher

3 Answers

Dishlex DX302 : Water not heating

it sounds like the control board is faulty. have you checked for dry solder joints on the control board? also it is important the check the resistance of the taco on the wash motor. last of all don't worry to much about the 2k ohms of the temp sensor as it can vary lots depending on the temperature.
if you give me ur email i can send you the service manual and wiring diagram.

Mar 14, 2008 | Dishwashers

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