Error 3 came up in middle of cycle, I read in manual that it is the wash pump. where is the wash pump locacted and is it this for sure?

Repairing the F02 error code can usually be done without ordering parts. Tools needed to repair your whirlpool Duet F02 error code are towels and a quarter inch socket.
Tip the washer back at a 45 degree angle. On the bottom panel there are three or four screws, with the screws removed the panel will slide down and off. With the lower access panel now removed you will have access to the washers drain pump clean out.
With the water already bailed from the washer you can twist the filter head counter-clockwise to remove. Twisting the filter head counter-clockwise will loosen filter so it can be pulled out.
With the filter out clean and install it back into washer.
Run a quick cycle to ensure the washer is back up and running and the F02 error has disappeared. If the error comes back, it may require you to clean the drain pump filter again.
If you require a new drain pump motor, you can purchase the part from the link below.
- See more at: http://www.appliancerepairlesson.com/2011/03/12/how-to-fix-whirlpool-duet-error-code-f02-duet-sport-error-f02-fix/#sthash.PuGd0iuQ.dpuf

check the float in the bottom of washer to make sure it is moving up and down all the way and not hanging up causing the water to overfill

Can be down to
kink in drainage hose
water drain pump
or an often overlooked drainage problem ...believ it or not can be a malfunctioning heater in the machine...
hope this points you in the right direction..

5d is: It denotes suds lock (overdose of detergent dectected during the wash cycle).

Chances are you just put too much detergent in, or maybe the wrong detergent - make sure you're using the HE detergent.

These codes and more details are printed on the service technician diagnostic manual that is affixed to the inside of the washer's front panel.

Unplug your washer, and unscrew the three 1/4" socket screws at the bottom of the washer. The manual should be taped to the back of the panel, and the code and some recommended procedures will be right inside.

The error you have displayed is actually "SD", which is a SUDS detect error. This usually an indication of a restriction somewhere in the drainage system, a failed drain pump, you are using too much detergent, or you are using the wrong type of detergent. The following link explains the error in more detail and how to correct:

http://www.fixya.com/support/r3608687-sud_error

NOTE: If these preliminary measures do not correct your problem, you may have to replace the drain pump. It does not take much to damage the pump impeller or motor. Since the error code can be generated if the drain cycle exceeds 8 minutes, if the pump is damaged and can't pump at the required volume, the error code will continue to appear until the pump is replaced.

COURTESY:jsrock - A senior expert of fixya....

Please donot forget to rate and accept my answer...

FH, in mid cycle most likely your pump is blocked, hit drain/spin and see if water drains, if not clean pump

F21 = LONG DRAIN ERROR

If the drain time exceeds 8 minutes the water valves turn off. After 4 minutes the “Sd” error will be displayed, then 4 minutes later the F21 error code will be displayed.

Press PAUSE/CANCEL two times to clear.

Procedure:

1. Check the drain hose and make sure it is not plugged or kinked.
2. Unplug washer or disconnect power.
3. Check the electrical connections at the pump and make sure the pump is running.
4. Check the drain pump filter for foreign objects.
5. Plug in washer or reconnect power.
5. If the above does not correct the problem, go to step 7.
6. Unplug washer or disconnect power.
7. Replace the pump.

Alternative Procedure:

If the machine cannot be forced to its diagnostic mode then:

1. Disconnect the washer from the power supply and water supply.
2. Remove the top panel by taking out the three screws in the back of the washer. The pressure switch is right on top.
3. Remove the Molex connector from the water level switch / pressure switch.
Refer to the picture below.
4. Reconnect the power supply but not the water supply.
5. Power the machine. The machine will enter diagnostic mode.
6. Power off the machine.
7. Replace the water level switch / pressure switch.
8. Reconnect the water supply.
9. Power on the machine it will work without error

"F21" is a Long Drain error. If the drain time exceeds 8 minutes this error code will be displayed. In addition, a "SUDS" error may also be displayed. This may be an indication of a drain pump problem and/or clog in the drain line. You will need to check the following:


1.First, attempt to unplug the washer for at LEAST 30 minutes to reset the Central Control Unit (CCU). Sometimes this is all that is required to correct momentary glitches with the unit. If the error code returns, proceed to step 2.
2.Check the drain hose to make sure it is not kinked or clogged.
3.Check the electrical connections to the pump and ensure the pump is running.
4.Remove the drain pump filter and check for foreign objects and/or debris.


If the above procedures do not correct the problem, it is recommended by the manufacturer to replace the drain pump.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question

“F02” is a Long Drain error. If the drain time exceeds 8 minutes this error code will be displayed. In addition, a “SUDS” error may also be generated as a secondary error. This is an indication of a drain pump problem and/or clog in the drain line. You will need to check the following:

1. Check the drain hose to make sure it is not kinked or clogged.
2. Check the electrical connections to the pump and ensure the pump is running.
3. Remove the drain pump filter and check for foreign objects and/or debris.

To check the drain pump, click on the following link for step-by-step instructions.


http://www.fixya.com/support/r385844-checking_drain_pump_kenmore_elite_front

If the above procedures do not correct the problem, it is recommended by the manufacturer to replace the drain pump



The "SUDS" error can be caused by too much detergent, improper detergent, drain pump/drain line problem, or pressure switch malfunction.

1. If you are not using HE detergent, you need to be. These washers are designed to use HE detergent which is formulated for wash tubs that use 5 to 7 gallons of water. If you use regular detergent, you are, in affect, placing a higher concentration of detergent in the washer that is normally formulated for wash tubs that have a 35 gallon capacity. The manufacturer should have a disclaimer in the owner's manual explaining this. In most cases this will also void your warranty. NOTE: Prolonged use of the wrong detergent can damage the drain pump components and or wash tub seals.

If you are using the correct detergent, double check the label to make sure it is not double (2X) or triple (3X) concentrated. You could still be placing too much soap in your wash.

To get rid of excessive detergent, place the washer on a RINSE & SPIN cycle, then run it through a normal wash cycle with NO detergent added. You may have to repeat these steps depending on the amount of detergent used.

2. If you do not have a detergent issue, double check the drain pump and drain lines to ensure they are not obstructed in any way. Click on the following link for step-by-step instructions:

http://www.fixya.com/support/r385844-checking_drain_pump_kenmore_elite_front

Obstructions in the drain pump and/or drain lines can attribute to air getting trapped in the drain pump and cause the error code. Double check all electrical connections to the drain pump and Central Control Unit (CCU). You will need to remove the top panel of the washer to access the CCU. This is accomplished by removing the three screws in the back of the washer that hold the top panel in place. With the screws removed, slide the panel back, then off. The CCU is located directly behind the wash tub in the center of the washer. The Drain Pump connector will be the 6th connector (facing from the front L to R) in the center of the CCU.

3. Check the Pressure Switch to ensure it is good. The Pressure Switch is located to the right of the CCU as you are looking from the front. It is a small cylindrical shaped device with a connector plug and an air hose attached. The switch can be checked at several water levels by removing the plug and taking resistance readings at the connector pins. Readings are as follows:

(Pins are numbered R to L facing the from the REAR)

Pins 1 to 2 (SUDS Detect) – 0 ohms
Pins 3 to 4 (Overflow) – 0 ohms
Pins 4 to 5 (L1) – 0 ohms
Pins 4 to 6 (Empty) – 0 ohms

.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question.

f 02 is the error code for taking too long to drain the water disconnect power remove 3 torex 20 screws from lower front panel revove cap from pump asm to check for any obstructions beware there will be water in the pump

If you are certain that all pipes are clear, then you may wish to check the pressure pot & pressure switch ( & small hose joining the two as this could be telling lies to the program unit. If the machine is emptying but the switch fails to read the level correctly, it can cause the same sort of error problem. Pressure pots can fill with the "grey soap gunk" and switches pressure are a reletively common fault also. Good luck