SOURCE: What does f20 mean on the duet steam washer?
After a time the small hose that comes from the pump area to the pressure switch located at the top of the machine can clog.
Unplug the machine.
Remove the top or the back of the washer.
Locate the pressure switch near the top of the washer. It is about 4 in round and has wires and a 1/4 inch black tube attached to it.
Pull the tube from the switch and blow through the tube until clear.
Reassemble, plug in and test.
SOURCE: Whirlpool Duet Steam Washer WFW9600 F20 Error
"F20" is a No Water Detect error. It is an indication that you either have no water coming into the washer, or very little water at all. If the pressure switch has not tripped after 6 minutes, the error code is displayed. This can be a potential problem with the following:
If you have NO water in the wash tub, check the following:
- Inlet water valve may be clogged. Clean inlet screens if necessary.
- Make sure water taps are on.
- Check inlet hoses for kinks or clogs.
If you HAVE water filling the wash tub, check the following:
- Make sure you don't have a siphoning problem. Click the following link for instructions:
http://www.fixya.com/support/r587481-prevent_washer_siphoning
- Verify Drain Pump operation.
- Verify the Pressure Switch hoses are intact and connected properly.
- Verify wire harness connections at the pressure switch, inlet valves, drain pump and Central Control Unit (CCU).
To access the Drain Pump - UNPLUG the washer and take the lower panel under the door off by removing the three screws under the bottom edge. HINT: Propping the front feet of the washer up can make access much easier. I use a couple small blocks of wood. With the screws removed, the panel should drop down then come off. If it sticks, tap either side and it should come free. The pump is located directly under the wash tub in the front of the washer. Verify the electrical connections are good and that the pump is running. Click on the following link to check the pump for obstructions:
http://www.fixya.com/support/r385845-checking_drain_pump_in_whirlpool_duet
To access the Pressure Switch - remove the three screws in the top panel along the back of the washer. With the screws removed, the panel should slide back, then, lift off. The pressure switch is located on the right-hand side of the washer in the rear. It is a round plastic device with electrical connections and a plastic air hose attached. Verify the electrical connections are intact, and the air hose is attached and not cracked or leaking.
To access the Central Control Unit (CCU) - with the top panel of the washer removed, the CCU is located directly behind, and just above the rear of the wash tub. There should be a tech sheet directly behind the lower panel or attached to one of the interior cabinet walls. Please refer to this sheet to learn how to perform diagnostics and to verify the wire connections at the CCU. In addition, the tech sheet will also assist in how to locate the components mentioned, and the specific measurements required determining if the components are good or bad.
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SOURCE: flashing codes
you have a communication problem between your door lock and your ccu board. Are you hearing a click click click before it fails? If so this is a relay inside your ccu board. Replace the board this will solve your problem
SOURCE: F20 CODE Whirlpool Duet Sport Washer wfw8300sw00
Hi!
“F20” on display
(Water Inlet Problem—no water or insufficient
water supply)
Select PAUSE/CANCEL twice to cancel the cycle
Unplug washer or disconnect power.
Check the following:
Are water faucets completely turned on?
Are screens at inlet hose connection to washer
clogged? Are water inlet hoses kinked?
Are water inlet hoses frozen?
Do rate the solution.
Thanks
Rylee
SOURCE: Whirlpool duet front load washer flashes F35 shortly after start
Sud= The unit has sensed there is too many suds in the unit it will
flush and pump out for 5 min and restart on its own..This is caused by
too much soap use..
From the book :
SUD Code=
If too much detergent was used:
—Run the unit through a Rinse/Spin cycle.
—Run a Normal cycle without adding any detergent.
This should clear the unit of the excess detergent.
1. Check the drain hose and make sure it is not plugged
or kinked.
2. Unplug washer or disconnect power.
3. Check wire harness connections to the drain pump,
pressure switch, and Central Control Unit (CCU).
4. Check/clean drain pump filter of foreign objects.
5. Plug in washer or reconnect power.
6. Check drain pump.
7. Check the pressure switch.
8. Verify CCU operation by running a Diagnostic test or any
cycle.
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