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donnamcole

07:03AM | 07/13/07
Member Since: 07/12/07
1 lifetime posts
Bvelectrical
I have a GE Profile dishwasher model PDW7300J10BB, less than 2 years old. For the past few weeks, my dishes are not always coming out clean, and they are sometimes covered in detergent residue, which is quite difficult to remove.

I am also finding detergent caked in both the cup and on the bottom of the dishwasher floor during cycles with residue left on the dishes.

The cup usually opens during the cycle, but not always. When it is open, there is often some detergent residue left in the cup.

I am running a cycle right now and opened the door a few minutes after the "washing" light came on... cup was closed. Opened it again every 5 minutes... eventually the cup was open, but most of the detergent was still caked in the cup.

I am thinking something is wrong with the timer.... is this a reasonable assumption? Am I correct that the detergent cup should open right at the start of the wash cycle?

TIA

Donna

DanO

09:36AM | 07/13/07
Member Since: 11/11/02
2271 lifetime posts
** I am also finding detergent caked in both the cup and on the bottom of the dishwasher floor during cycles with residue left on the dishes. **

It sounds like there may not be enough water or water pressure to properly wash the detergent away.

** Opened it again every 5 minutes... eventually the cup was open, but most of the detergent was still caked in the cup. I am thinking something is wrong with the timer.... is this a reasonable assumption? **

Not without at least some testing. The problem could even be in the dispenser itself, being slow to react to the control's signal.

- GE PDW7300J10BB Dispenser Asm.

LINK > http://www.appliance411.com/data.php?rc=1042055

Someone would have to test to see if it was being powered at the appropriate time or not. Only if it wasn't being powered appropriately might the timing device be suspect.

** Am I correct that the detergent cup should open right at the start of the wash cycle? **

I'm afraid I do not know at what exact point the dispenser should be powered, I would think close to the start of the wash, after filling. You'd have to check the appliance's wiring diagram to see if a timing chart of the control was listed. The 'wax motor' used to open that dispenser will also take a short time to fully open it, once energized.

JMO

Dan O.

www.Appliance411.com/parts/?ref411=GE+Dishwasher

The Appliance Information Site

=D~~~~~~

MistressEll

05:36AM | 07/14/07
Member Since: 01/30/05
361 lifetime posts
The three most common reasons for this are (in order):

1) improper loading, something is being loaded that is either restricting the spring action of the detergent cup door from opening or blocking the spray flow from the lower arm from completely flushing the cup when opened. Review the owners manual section on proper dishwasher loading.

2) The inlet water temperature is not hot enough. Check your water heater settings, and run the hot water at the sink until hot before starting the dishwsher (check temperature of the inlet water). If necessary use the temperature boost option (if available).

3) Parts failure. Could be the inlet solenoid has failed (due to scale or less than adeqate water pressure) or a pump failure.

Other possibilities include that the water level sensor is not working, the tub is not level, or the drain screen is clogged, preventing full draining of the DW.

If I were you I'd also double check there isn't a silent recall on your dishwasher with GE. They have had over a millon DW recalled since 2004, however there are also quite a few that are under a silent recall - having issues that are not unlike what you describe. With the limited warranty still covering some of what you describe, If I were you, I'd call their toll-free number and discuss with them, as well as look into the easy consumer check-trouble shooting I've mentioned.

Also, you're going to need to know something about your water quality. In most cases one does not need to use as much automatic DW detergent (often less than half of what the average consumer loads).

It wouldn't hurt to run a few cycles of the DW empty starting with 2 cups of Distilled white vinegar, followed with 2 cycles using just one cup of vinegar in each load. Also cleaning up the detergent cup hinge, door, and resevoir.

Finally, if you use a wooden slat in the door slat you can check the inlet water pressure during the fill cycle - and the incoming temperature. If it is merely a trickle, I'd suspect the solenoid and/or a restriction in the inlet valve or piping.

Finally, if your discharge hose isn't hung/looped properly it can cause similar problems eventually.
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