Model #LFX21971ST LG Bottom-Mount Refrigerator

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Error Codes

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Question and Answers

Q:

Refrigerator LG model LFX21971ST flow to water dispenser is low. It's a new filter & did purge water.

A:

Once you replaced the filter and purged the system, the water dispenser flow should be at a good flow. Contacting managemylife.com is a great place to start for answer to the problem with the water dispenser. I provided some links with similar questions that may help until the expert answers.

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Anna T -
March 14, 2012
A:

Thank you for your question. I can understand your concern about the water flow. Try removing the filter and activate the dispenser without the filter in place. If the water flow increases, next install the original filter and if the water flow is still ok, the new filter will need to be exchanged. If the water flow slows down again with the filter or if it�s slow without the filter, it would lead to a defective water valve # 5221JB2010G or low water pressure. If the icemaker still seems to be filling ok, it would lead to the valve. This is the valve (# 619B in picture) inside the door. It's available at SearsPartsDirect . I hope this will help you. If you would like more assistance, reply to this thread and I will be glad to assist you further.

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Scott D -
Sears Technician
March 15, 2012
A:

Having the same issue. If it is indeed the 5221JB2010G, how much would a repair person charge me to replace that valve?

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Jeff -
December 21, 2012
A:

The average trip is 120.00 and the part cost.

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Bill__W -
Sears Technician
December 24, 2012
A:

Thanks. I ended up ordering the valve. Seems like a straightforward job. Will let you know how it goes.

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Jeff -
December 24, 2012
A:

So I replaced the valve and the water flow is still low - no change. Valve on the wall is fine as well; great water pressure going in to the fridge. i have a new filter and whether the old or new filter is installed or not installed water pressure is low. Ice maker seems to be filling ok. What else could this be? We do have hard water. Could there be mineral deposits before clogging the line somewhere before the filter? Thanks.

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Jeff -
December 27, 2012
A:

Jeff, this is unusual but if the valve has been replaced, there is good pressure to the fridge and the icemaker is filling ok, this will only leave the reservoir # 4838JA2003B, which goes directly from the valve to the dispenser. If there was a problem before the filter or with the filter or housing, it would also affect the icemaker. What you can do is disconnect the reservoir from the valve, hold a pitcher next to the valve to catch the water and activate the dispenser. The door switch will need to be held closed to activate the dispenser. If the water pressure is good from the valve, the reservoir will need to be replaced. I hope this will help you.

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Scott D -
Sears Technician
December 28, 2012
A:

I checked the valve going to the dispenser and water pressure is weak. To clarify my previous post I haven't really checked the ice maker water flow. When I mentioned the ice maker seems to be filling ok I meant it fills and still makes ice. It's pressure could be weak for all i know. Should I check the valve that feeds the ice maker as well?

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Jeff -
December 28, 2012
A:

Jeff, if the water pressure to the valve in the door is weak, it would indicate that either the pressure to the fridge is weak or the inlet valve behind the unit is defective. If the water pressure to the fridge is good, then the inlet valve # 5221JA2011J will need to be replaced. I hope this will help you.

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Scott D -
Sears Technician
December 31, 2012
A:

Thanks! I will replace this valve and let you know how it goes.

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Jeff -
January 04, 2013
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