Question about Dishwashers
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Posted on Jan 02, 2017
HI. check the following areas for faults.
1. Air gap / Drain hoses
If there is an air gap (located in the sink, near the faucet), check to see if it is clogged. Unscrew the top cap and see if there is anything blocking inside. Note: If there is no air gap installed, the dishwasher might not drain properly.
If the drain hose is clogged, the dishwasher would not drain. If there is an air gap installed, it is very common that a hose going from the air gap into the garbage disposer is clogged. Remove and clean the hose. Make sure to reattach the hose before starting the dishwasher.
Note: If you recently had a garbage disposer installed, it is common to overlook removing the drain plug.
2. Broken belt
Some dishwasher models use a belt to drive the pump. Replace the belt if found broken.
Note: Sometimes the belt would just come off the pump. Even though it might not be broken, it is recommended that you replace the belt, because it is probably too stretched out.
Some models have two impellers inside the pump - one, wash impeller, takes care of the wash cycles, the other, drain impeller, drains the water out. If the drain impeller is broken (broken blades, shaft), the dishwasher would not drain. Replace any broken pump components.
4. Drain solenoid
Some models (for example most GE dishwashers) use a drain solenoid to drain water out. Sometimes the solenoid gets stuck, preventing the water from draining out. Try to free up the solenoid. If unsuccessful, you might have to replace the pump assembly.
If the motor is stuck, it is sometimes possible to free it up by manually spinning the motor.
Replace the motor if defective.
Replace if defective (note: uncommon problem).
Posted on Aug 27, 2009
Okay handy Mike,
First of all, is this a new dishwasher? Or, is it a used one? The reason I ask is because there should be a warranty with a new appliance and you should not have to worry, or have to pay for, any repairs.
The problem you are experiencing could very well be a water inlet valve problem (good assessment), but may also be something more simple. The dishwasher has a float inside the tub that is supposed to shut the water off, when it reaches the appropriate fill level. Check the float to make sure it moves up and down and that you can hear the switch "clicking". Sometimes small items get stuck under the float and will keep in the up (or shut off position).
For some helpful part locator drawings refer to searspartsdirect.com and type in your model number. An illustration of the water inlet valve can be found under the "Frame" heading in the next page as item number 24 (part number 154195301). The float and float switch can be found under the "Tub" heading as items number 13 (part number 154144301) and 24 (part number 5300809863), respectively.
If you require further assistance, please let me know. I hope its something simple and you don't require parts. But, if you do, you know where you can get them. If you do not wish to order on line, use the part numbers provided and go to your nearest appliance parts retailer. I hope this helps you. Good Luck.
Posted on Jul 09, 2008
Step 1: Remove the cap that holds the sprayer arm on.
Step 2: Remove the sprayer arm, the screen, the pump housing, a bolt, the upper impeller, the food disposer blade, a spacer plate, the impeller hood, a flat plate, an O-ring, and the lower impeller. Lay the parts out in order as you disassemble them so that you'll be able to reassemble them properly.
Step 3: Clean the parts thoroughly with a mild detergent solution. If any parts are worn, replace them with new ones made for the dishwasher.
Step 4: Replace any seals, such as the O-ring or other washers, with new ones.
Step 5: Reassemble the pump, keeping the parts in order.
To reach the water pump, remove the sprayer arm and screen and then the pump housing. Remove the bolt, and the pump components can be disassembled.
On some dishwashers, the lower impeller serves as a drain pump. This type of system usually has a reversible motor; machines with nonreversible motors have drain valves, as detailed previously. If your machine possesses this impeller pump system, and the water will not drain from the dishwasher, clean the lower pump impeller. This may solve the problem. Otherwise, call a professional service person.
Posted on Oct 12, 2008
I had a LG certified repairman come out and fix. The electrical wires within the door were melted into the "tar" (sound deafening spray) and one wire actualy sheered. Apparently the drying cycle heats the tar and the wires become embeded and melt into the tar. This is what was causing the error code. After the wire was tested and spliced everything worked great. Long term...The door/electrical harness was replaced by LG.
Posted on Apr 06, 2009
Follow-up: I was able to fix the problem on Bosch model # SHU 4002UC. Purchased water inlet valve (part number 425458) from Sears Parts Center. I required the Sears unit number from the original invoice as Sears computer system apparently cannot identify the Bosch model number. The valve is as described by meyerjr above; however it is located at the bottom front of the machine so could be replaced (not so easily) without removing the machine. Cost of part was $30.50 Cdn including tax.
Posted on Apr 20, 2009
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