Question about Whirlpool Washing Machines
I have a Whirlpool wfw9300vu washer that's about 1.5 years old. It now does not work and displays error code 70/71. How can I fix this? I think it's the CCU but I want to know how can I change it?
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Posted on Jan 02, 2017
"F09" is an Overflow Condition error. This is usually attributed to a malfunctioning pressure switch, loose or broken connector between the Pressure Switch, Drain Pump and Central Control Unit (CCU), or...a drain pump or drain line that has become clogged.
Since this problem occurs periodically during the wash cycle, I would check your drain pump filter for obstructions first. It could be that you have debris lodged in the pump causing it not to drain properly. To access the pump:
1. Unplug the washer.
2. Remove the lower kick panel under the door by removing the screws under the bottom edge. HINT: Placing a couple of blocks of wood under the front feet of the washer will make access much easier.
3. The drain pump is located under the wash tub in the center. HINT: If you own a shop vac, remove the drain line from the standpipe at the wall and pull a vacuum through the drain line. This will remove all residual water from the washer and make clean up later a lot less messy. Now, remove the cover on the drain pump and remove. Clean out the pump filter and check the pump impeller for obstructions.
If you do not own a shop vac, place a bunch of towels around the drain pump BEFORE you open it. There's about a gallon or so of water in the tub, drain line and pump.
Try this first, and let me know if this corrects your problem. If not, you may need to check the pressure switch and wiring. I hope this helps you.
Posted on Apr 14, 2008
earlier i just researched code "dl" (door lock), the washer would not start, door would not lock. this site under this code failure came up with a Wiz called "Coldcut".
I took the motherboard out and searched around for the crack with a microscope, I found that every one of the relays had bad solder joints with micro-cracks around the legs. This did not happen due to wear or vibration.This was a new replacement board. It was just a bad solder job on the factory wave solder machine. QC issue.
After re-soldering all the relays legs I have run the machine for a month now without any issue.
So there it is the final fix for the dreaded door lock F dl issue. and likely any other random error issue.
Comment by Coldcut, posted on Jan 25, 2008 the constant clicking and then F DL failure is symptom
If you want to test that the relays have a bad solder joint as I had found. after opening the machine top metal cover ( 3 screw in top rear), on the front of the CCU motherboard push up on one of the white connectors that has the black wires gently .you can safely do this as this is the low voltage area,
the machine will then gain control of door lock and the front buttons will now work.
stay away from the pink wires they are 110volts.
Yes resetting the power to the machine will sometimes work but the failure will reoccur randomly.
Just mark all the connectors location and remove the board open the plastic and remove the board. flip it over and add new solder to all the relays ( white square boxes) legs. Reassemble and rest assured you have fixed the issue.
BTW if you need to open the door manually, unplug unit , remove top washer cover, reach down (tight area) and below the front door latch you will feel a ring, push it down and the door will open. the same can be done from the bottom access panel but you will have a cramp in no time.
Comment by Coldcut, posted on Jan 26, 2008 yes those white boxes are the relays that control the door locks.
but while you are in there soldering there is another relay off to the side as I remember re-solder it too. I found that any relay on the board had micro-cracks around the legs.
Comment by Coldcut, posted on Jan 26, 2008 Also can you take a closeup of the bottom of the board before you fix the solder joints to show folks the issue before and after. Comment by Coldcut, posted on Jan 30, 2008 On a side note I have found that this same board is used in many brands of top loaders.and have of course the same issues.
I have notified the makers of this model what I found and they are forwarding it to their engineers . sic.
Posted on May 08, 2008
It sounds like the lid switch. If it ws the coupler the water would drain. Check to see if the lid switch is clicking when you put the lid down. replace the lid switch. You have a great washer. Fairly cheap fix.
Posted on Nov 20, 2008
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