Leaking from a big plastic tube in the back of washer

is water coming out of the hose or the plastic housing? if the hose then it has a hole or tear, if the housing then the pump needs replacement

the tube that runs to the drum from the detergent tray may be clogged. use something to slip into the tube to see if it is clear or not.

while you have the front panel off look on the left side,you'll see a clear plastic hose,pull the hose off of the tub and cclean out the tube with a plastic tie or a paper clip,also stick it into the hole where it pushes onto the tub,this is from the pressure switch,either the plastic tube is blocked or you could have a bad pressure switch.i've found a number of these washers with the pressure hose caked up with detergent,it will look black in color,hope this helps

google " duetservicemanual.pdf" I see an error code "FH", but nothing listed as "HF".

probably has a pin hole leak where it has been rubbing the tub. Does the tub have a seal at the top of it where it meets the top. Could be the seal is going bad.

The filter is located behind the silver plate at the back of the machine at the bottom. Four screws hold it on. The filter is inside the big black rubber hose attached between the pump and the main drum. Remove the plastic clip holding it to the pump unit and then the metal cir clip holding it to the main drum. In side is a white molded cone and a big white ball which floats in side. You will find a lot of junk here, clean out. To refit put white cone back inside just as you found it, at the bottom, fit ball back into the cone. Attach to the bottom to the drum and re-fasten the cir clip. Finally reconnect the gator to the pump unit and tighten the plastic clip. Would be good to check out the pump too.

Check the two lengths of 1/4" plastic tubing, the long one that runs from the filler at the botton left side of the tub, and the short one that runs from the load switch (water level switch) to the shield assembly (formed plastic cover for the controls). When under pressure, the tubing can come loose from the plastic nipple on either side of the shield, leaking water while the tub is filling. If either length of tubing is detached from the nipple, reattach the tubing and use a 1/4" hose clamp to prevent it from detaching again.

It leaksYour washer can develop several types of leaks. You can track down a leak based on when it occurs: 

During fill only
During drain and spin only
All the time

During fill only
If the washer leaks only during the fill cycle, check these:

Air-gap device -The air gap is a small device found on most washers that prevents the wash water from being siphoned into the household water supply. It's located either mid-way along or at the end of the black rubber hose that comes from the water-inlet valve. Often it's made of translucent plastic. If one of the air-gap components deforms or cracks, you may need to replace it.


The tube -There's a rubber tube that runs between the water-inlet valve and either the air-gap or the inlet spout. If it cracks or breaks, it can cause a leak. 


Inlet spout -Most washers have a plastic spout near the top of the main clothes tub that directs the water into the tub. If the spout cracks or breaks free of its mounting, it can cause a leak. 



During drain and spin only
A washer that leaks only during the spin cycle often has a leak in the main drain hose. Inspect the entire hose and correct any problem you find. Alternatively, the steel or plastic outer tubs can rust, split, or be punctured. This may be most visible during large loads and high water levels. If this happens, you may have to replace the entire outer tub--but that may not be an economical repair to make. Consult a qualified appliance repair technician for further details. 


All the time
If the washer leaks all the time, check these:

Hot and cold water fill hoses - Check the hot and cold water hoses from the household plumbing. If either hose is leaking, tighten it or replace it, as appropriate.


Main tub seal - The main tub seal is located between the transmission and the outer tub. It's the primary water seal in the outer tub for the transmission-shaft entry point. If this seal leaks, you can see the leak by opening up the machine's main access panel while the machine is full of water with a small amount of detergent in it. The leak appears at the underside of the outer tub, at or near the center. This seal is difficult to replace. You probably should call a qualified appliance repair technician. 


Pump - If the pump leaks, you can probably spot the leak when the tub is full of water. The pump has two or more black rubber or plastic hoses attached to it and usually has a drive belt that spins the pump. If the pump is leaking, you need to replace it. 


Outer tub - Over time, the steel or plastic outer tubs can rust, split, or be punctured. If this happens, you may have to replace the entire outer tub--but that may not be an economical repair to make. Consult a qualified appliance repair technician for further details.

Mine did this last year. I took the housing off of the left side and found a clear plastic tube had popped off the fitting, I put it back on and it worked fine. The tube was toward the lower front of the unit.

A common solution for filter cleaning, might help you. You should check your pump too. (another Hotpoint model)

The filter is located behind the silver plate at the back of the machine at the bottom. Four screws hold it on. The filter is inside the big black rubber hose attached between the pump and the main drum. Remove the plastic clip holding it to the pump unit and then the metal cir clip holding it to the main drum. In side is a white molded cone and a big white ball which floats in side. You will find a lot of junk here, clean out. To refit put white cone back inside just as you found it, at the bottom, fit ball back into the cone. Attach to the bottom to the drum and re-fasten the cir clip. Finally reconnect the gator to the pump unit and tighten the plastic clip.