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Dishwasher Repair / Re: LG LDF7561 OE / drain pump
« Last post by brians on August 30, 2015, 10:52:41 AM »
Yes, the main control board is what I would replace... if it doesn't work, then return the main control board and replace the display/clock board.

Use this same method from your earlier post to change the software version back to 0120
I discovered this about 4:40 am

 cancel/cancel/ start up come AM71 UI45 EEWET204
 then push hour up button up comes most recent code 0120
 then push hour up button up comes error code 2 0111
 then push hour up button up comes error code 3 01
 then push hour up button up comes error code 4 0117
 then push hour up button up comes error code 5 01H1
Hello and Thank you
That is what I have ordered, but are on back order at 3 places, I order the 9761909 board (the big one in the rear of the range behind the oven)  You show two boards in your link, do I need the small one (#9763042) as well?   Where is it located.... up with the clock and cook top dials?

"You should put it back to 0120 if that's where it was."  How do I go about that?  Is there some sort of set of steps?

I attached some photos

Read more: http://appliancejunk.com/forums/index.php?action=post;topic=17358.0;last_msg=92269#ixzz3kJEHtuxQ

I appreciate your help
 :thanks: ron3033
Dryer Repair / Re: kenmore dryer
« Last post by dab147315 on August 30, 2015, 07:53:22 AM »
After you install it run dryer with wet clothes in it not empty.
Hi, sorry to hear about the issue you are facing. Unfortunately, your first mistake was leaving the door open for such a long time. Leaving
the door open has probably caused the compressor to be overworked. You should test the terminals on the compressor. To test, place a test lead on one terminal and place the other test lead to the body of the compressor. If you hear any sound, the compressor is burnt or shorted internally. Do this for the rest of the terminals.

Also try plugging it into another outlet. Perhaps the breaker is bad, but that is unlikely. Sounds like a dead unit. I'm an appliance tech.

Here is a video that will help you out on testing the compressor:
Dishwasher Repair / drain pump never stops itself
« Last post by zio_mangrovia on August 30, 2015, 01:44:46 AM »
Model 911939224-01

When I power on my dishwasher, water is never loaded and drain pump starts immediately and never stop itself even if empty state occurs.
There is no anti-flooding system although service manual shows it but paper lists several models.
I checked directly the two pressure switch (both level and overflow) blowing in tubes, tester showed zero resistance and immediately after blow infinite resistance.
I wanted to check wiring for only level pressure switch disconnecting it from pcb, I used tester to check signal to connector with both water and no water. This worked fine.
I checked door switch was closed.
I think problem is in PCB, I call technician and He confirmed it
Then I try to desolder only the gate pin on acs108-6s (overvoltage protected AC switch, which is the triac which drives drain pump) and when I power on dishwasher, pump doesn't start.
I think if problem was about drain pump driver circuit, dishwasher should have to load water and this one never occurred.
What can you suggest me now please?
Dishwasher Repair / Re: LG LDF7561 OE / drain pump
« Last post by john63 on August 30, 2015, 12:39:43 AM »
Serial Number?
The specs are on the sticker on the cycling thermostat. There are four prongs. The two inner prongs control your low heat... if the circuit breaking temperature of the cycling thermostat does not match the limit of the temperature labeled on the sticker, then replace the cycling thermostat.
Dishwasher Repair / LG LDF7561 OE / drain pump
« Last post by brians on August 29, 2015, 11:59:49 PM »


Getting an OE error. After entering test mode and turning on the drain pump, I get a fluctuating RPM and the pump sounds and feels like it's cavitating. The service manual indicates the voltage at the main board connector for the drain pump should be 12V DC. But, this pump uses a brushless motor and I'm reading between 15-18V AC which is what I would expect from a BLDC motor controller.

So, despite what the manual says about 12V DC from the main board, I am not convinced I have a main board problem. The manual offers this:

No drainage though drain pump is working properly? Air in the impeller of the drain pump might cause this case.

with the following "solution":

Remove all the water remained in the drain hose that is connected to the drain pump / motor. Keep the unit upright, don't lay it down. Cautious about leaking on the floor.

I've done this and the unit still does not drain. Could there be a problem elsewhere causing air injection such as with the vario?

Any help is appreciated!

No cheat sheet behind the control panel?
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