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GE Dishwasher GLD4200L00BB Inadequate Water


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2 replies to this topic

#1 BEdwards

BEdwards

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Posted 08 May 2013 - 08:47 PM

I have a GE dishwasher I was working on and low and behold, someone took the dang tech sheet. Short story is it is not filling all the way, not even enough water to prime the pump. I finally figured out how to get it in diagnostic mode and actuated the water valve. It took two cycles of the water valve test to put enough water in the dishwasher to run the pump. The water valve ran for approx. 41 seconds. There seems to be proper water pressure coming out of the port hole and the float switch is definitely working. My thought is the control board, but wanted to see if anyone had a similar experience and what they came up with.

 

Also if you have a tech sheet for this model you would not mind sharing, that would be great.

 

Thanks



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#2 Samurai Appliance Repair Man

Samurai Appliance Repair Man

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Posted 09 May 2013 - 07:41 AM

I have a GE dishwasher I was working on and low and behold, someone took the dang tech sheet. 

 

Dang, busted!  Okay, here, you can have it back: http://appliantology...her-minimanual/

 

I don't see how you could have figured out how to put it in diagnostic mode without the tech sheet!  It's only marginally helpful, no cycle times, but does give the key dance for diagnostic mode and water fill level.  

 

There was a service bulletin out on these models where the plastic mold flashing in the float valve would either prevent or interfere with the water fill.  After voltage stops to the water inlet valve, put your meter on the pink wire at the float switch to see if it's still there.  If so, then you know the float is prematurely interrupting the voltage to the valve.  

 

If all that checks out, then it's much more likely you need to replace the water inlet valve.  



#3 BEdwards

BEdwards

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Posted 09 May 2013 - 08:00 AM

Dang, busted!  Okay, here, you can have it back: http://appliantology...her-minimanual/

 

I don't see how you could have figured out how to put it in diagnostic mode without the tech sheet!  It's only marginally helpful, no cycle times, but does give the key dance for diagnostic mode and water fill level.  

 

There was a service bulletin out on these models where the plastic mold flashing in the float valve would either prevent or interfere with the water fill.  After voltage stops to the water inlet valve, put your meter on the pink wire at the float switch to see if it's still there.  If so, then you know the float is prematurely interrupting the voltage to the valve.  

 

If all that checks out, then it's much more likely you need to replace the water inlet valve.  

 

 

 

It was just by pure luck. Just started pressing combinations of keys and holding for a few seconds. Thank you so much for the help.






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