Forum  Dishwasher Repair & Maintenance

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Discussion Starter - #1 - 1 week ago

Hello guys,
My Bosch GM926710UC12 dishwasher has ceased functioning, and I’d like to repair the issue myself, so if anyone has a a repair guide or service manual for this unit, or can provide some advice, I’d really appreciate it. When I try to start a cycle, nothing happens: no lights, no water flow, and no sounds. It just died mid-cycle yesterday. I’m looking for some assistance to troubleshoot it. Please don't share the owner's manual, I already have it and it’s not informative.
Thanks in advance for any assistance!

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Welcome to the Dishwasher Repair Forum! I had a comparable problem with my Bosch GM926710UC12 dishwasher a few weeks ago, and I found a comprehensive service manual on the internet. It includes detailed directions, electrical diagrams, and diagnostic hints. Here’s the URL, I discovered it on a blog through reddit :

>>> Bosch GM926710UC12 Dishwasher Service Manual & Schematics (PDF)


🙏 Patrice and 11 other persons liked this post

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Hi, help needed please I too have a Bosch GM926710UC12 dishwasher, and I got the service manual shared above. Could someone clarify how to test the electrical supply and what components to inspect initially? I’m a bit confused by the wiring schematics. Any advice would be appreciated!

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Start by checking the basics: 1. Power Supply: Use a multimeter to test the outlet and the terminal block where the power cord connects to the dishwasher. You should see around 120V (or 240V, depending on your model). 2. Door Switch: This is a common failure point. If the door isn’t fully closed or the switch is faulty, the dishwasher won’t start. Test the switch for continuity with a multimeter. 3. Thermal Fuse: If the dishwasher overheated, the thermal fuse might be blown. Check it for continuity as well.

Here are some additional resources and instructional videos:
- https://www.diychatroom.com/threads/bosch-dishwasher-powers-off-randomly-during-wash-cycle.749291/reply?quote=6887198
- Check out comment #380: https://forum.partsdr.com/showthread.php?1564-Frigidaire-Dishwasher-Code-ER-S&s=8408209615736f0813b49cbcab8c9798

And here’s a helpful video to get you started. Skip to minute 3 for the troubleshooting steps: YouTube Video

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Hi, I’m experiencing trouble with my dishwasher too. I inspected the electrical supply, and the socket, evrything is working, but there’s no voltage at the connection point. According to the schematic in the book, I expect to have some voltage there, correct? How do I test the mainboard? Is my appliance totally non-functional? The fuses seem good, I tested it with a multimeter. Any ideas? 🤔

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I believe my appliance has an electrical issue because it isn't starting. I’m not very tech savvy with repairs, but I’m open to give it a try. I have a current tester and some simple equipment. Can someone guide me on where to start? I’ve heard the control board, motor, or door mechanism could be the problem. Any suggestions would be appreciated, can provide serial number if required!

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Avoid jumping into replacing parts immediately. Depending on the issue, the method to diagnosing malfunctions may vary. Sometimes, appliances are recalled, and you can simply allow the manufacturer handle everything. Does your dishwasher have issues with the display, indicators, or makes sounds? Start with the fundamentals by inspecting the electrical connection, door switch, and mainboard. It’s crucial to proceed step by step instead of quickly swapping parts like the control board or pump. First, check if the appliance is getting power. It’s as easy as that. Also, check the latch and fuse. If you’re a complete beginner in appliance repair, it might be better to call a service center to prevent causing more damage, even if it costs a bit more. They can easily diagnose the problem and identify the faulty part. Then, it’s up to you whether you decide to fix it yourself. (A piece of advice: always unplug the dishwasher prior to trying to repair it).

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I believe I damaged my dishwasher thermal resistance while trying to replace the water valve. Now it won’t heat at all while running. Is it possible I caused more issues? Something’s not right. I downloaded the Bosch GM926710UC12 maintenance guide guide hopefully it’ll help me determine what went wrong. Hoping for the best...

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Here’s my preferred checklist for diagnosing a malfunctioning dishwasher: Power Supply: Check the dishwasher is getting power. Check the outlet and terminal block too. Latch: Test for continuity. A faulty wire can prevent the dishwasher from working. Thermal Fuse: Inspect if it’s blown. Replace it if necessary. Control Board: Inspect for obvious damage or loose connections. Pump and Motor: Test for proper operation and ensure they’re functioning properly. For more detailed instructions, check out this link. : https://www.bobvila.com/articles/dishwasher-not-getting-water

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Here’s what I found:

While time is necessary in terms of loading and unloading the dishwasher this does not compare to the time spent washing by hand. If the check valve is broken stuck open or not functioning correctly it may fail to prevent wastewater from flowing back into the dishwasher. The heating element was still good reading 13 ohms. I just installed a new garbage disposal because the last one developed a leak in the plastic casing. It is quite common to come across bumps in the road while performing home improvement tasks. We have carefully evaluated each dishwasher in this review according to This Old House s stringent review standards. The high loop is necessary for 2 reasons. While you may be tempted to make the adjustments yourself it is important to consider hiring a qualified dishwasher expert to help you with fixing the problem. Invest in long lasting dishwasher pods with clean ingredients shop Clean People today. There are two torx screws on the front of the dishwasher undo these and the panel should pop off. The first laundry detergent pods were launched in 2012 and have become increasingly popular over the last 10 years. But if your dinnerware has metallic images or trim hand wash it to prevent damage to the decorations. He is also a registered dietitian nutritionist who aims to make food safety intuitive and accessible for everyone. Works fine with cheap tablets and more expensive eco ones but then we have very soft water and can use half a tablet. Here are some tips to make sure your dishes dry better. As an alternative you can also put Lime away available at your grocery store or Tang Citrus Drink into the tank during the wash cycle. Countertop dishwasher sizes range from about 16 to 22 inches wide and 17 to 20 inches tall so be sure to measure your counter space before you buy to ensure the model you ve chosen will fit. Hey CarolSue Yikes I m so glad to hear it s working right now. Until that sump is clean you will continue to have the smell return. A typical backyard pool in Los Angeles can lose some 20 000 gallons yearly just due to evaporation. Or if a delayed start feature has been accidentally selected it can prevent the dishwasher from turning on when the start button is pushed. Either a connection was loose or debris was lodged inside either way it sprung to life and began pumping water through the spray bars. Models with length and width of fewer than 25 inches are best as they are just the right size for RVs. I ve always thought that people who had nothing better to do than sit at their computer and get into arguments on chat groups were pretty pathetic so please don t take me wrong Michael B. Your multimeter should show a reading of about 200 ohms for a working drain pump. Editor Mike Prospero who was amazed at how quietly the dishwasher runs. So that s where the flavor in Cheetos comes from. They re clearly labeled and LEDs give you a lot of feedback. Up to a certain amount the cleaning result was improved but too much detergent caused a decrease of cleaning performance. The strong detergents can also be too harsh on some glassware causing misting or fogging that is hard to repair.

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DIY Repairs
Typically a faulty water inlet valve or float switch - replace these parts if needed.
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Disconnect power, remove the lower panel, and follow manufacturer instructions for your model.
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Loud noises often indicate a problem with the wash arm bearings or pump.
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