Where is the water tube to see if its frozen FGHB2844LF5 dbl door bottom frezzer

could be a frozen flume tube or a bad fill valve

The suction sound is not always to be there.

What causes this is the air is being sucked yup through the vent holes in the door and out the drain tube in the bottom rear of the unit.

The drain could be plugged up or there is water in the drain tube,There should be some water in the tube this is to prevent air from escaping and causing the unit to run longer.
you may need to check the evap coil in the rear of the unit and make sure that it is not frozen over.

you can check the fill tube in the freezer make sure it is not blocked with frozen water. if you can disconnec the water supply line from the fill tube try and reset the ice maker to advance it to a new cycle and if water come out of the supply line the you knwo there is a blockage if no water comes out the the ice maker may be bad or the fill valve is bad. last thing you may need to call a service tech out to find the problem.good luck i hope that this has helped some what.i would like to knwo how thing go for you

Your evaporator coils frost up in normal use and every eight hours or so the entire unit shuts down and the defrost heater comes on to melt the frost. This cycle last about 20 minutes. The melted frost drips into a drain pan and through a drain tube to the drain tray under the freezer/refrigerator where it's evaporated by the condenser fan.


Your drain tube may be stopped up with ice at the upper end because it drains too slow because it's stopped up at the lower end in the evaporator pan under the unit at the floor. It can get dust and mold in it. Once you get the ice out at the top a little pressure with a turkey baster will usually clear it out. Flushing it out with hot water and clorox may help.
Make sure it drains quick enough to prevent refreezing. . The drain should be located below the evaporator coils on the lower back of the freezer.

Not sure of your model number and manufacturer, but in some freezer there is a seperate drain heater that should stay on for the complete defrost time. (the defrost heater will shut off when the evap coil reaches a certain temp, and the rest of the defrost time only the drain heater is energized.) That would be the very first place that I would start. Hope this helps

Possibly a bad valve but more likely not enough water coming to the unit,follow the water line from the back of the unit to where it hooks to the pipes there is usually a little saddle valve there,try closing it all the way and then open it back up check the water through the door and see if the pressure doesn't improve. 
 You can also remove the Ice maker clear out the fill tube and sit a cup under the end of it for a day or two if you get water in the cup and Ice in the tube you probably have a solenoid valve that isn't closing completely.

the water that is frozen in the fill tube could have come from the old water valve that you replaced ,you got to get the ice out, the easiest way ,though not the fastest ,is to unplug fridge for 24 hrs . and leave the doors open to let it defrost, the plug back up and hopefully in 5 or 6 hrs you'll have ice

you can take a ook into the freezer sect its possible that the line has frozen, nad no longer is defrost water going into the drain but rather falling on to the floor of freezer and evnetually out the door

most commercial freezers have a drain to the back of the compressor area where the condensate goes into a pan and is boiled off into the air by a loop of hot gas tubing in the pan or an electric heater in the pan. when it defrosts the ice on the coil melts and the water flows out . if the tubing gets plugged the water flows out of the pan and down into the bottom of the box where it refreezes on start of the next refrigeration cycle. clean and clear drain with a shop vac or air hose where water can flow out of pan under the evaporator coil when it defrosts. if you have a domestic residential freezer , most of these have no defrost and neeed to be shut down and manually defrosted every few years. if you leave the door ajar or it doesn't seal well ice builds up and can accumulate in the bottom as frost etc. it would be mosyt unusual for a residential box to have a defrost clock, drain and all, but possible and same rules apply. find the drain and clear with shop vac .

The drain is probably clogged. Use a pipe cleaner to clear and then use a turkey baster and force hot water through. Follow with a weak bleach solution. Drain is usually in the middle of the bottom. maybe towards the back. It is supposed to drain into a pan underneath the unit and then evaporate. Another solution could be a leaky door gasket. This overwhelms the defrost system and causes leaks.