Water dispenser on LG side-by-side not dispensing water

This sounds like the water inlet valve has gone bad.. First before u replace it check to see that you have water coming to back of fridge as it could be restricted causing no water to reach the fridge.

Just bought an off the floor LG fridge model number LSC27914SB and when I turn it on it beeps. Why is it doing that?

I've got the same problem...have de-thawed everything, (this was how we fixed it before) and still can't get water to dispense. Guess another 75 bucks service call...urgggg...

I have an LG side by side fridge/freezer model GR-L206CVQA.
The display panel locks up and I cannot change the dispenser

most fridges stop dispensing water when you open the door. Find the door switch and make sure fridge interior light goes on/off when you manually press door switch. This would show you that the door switch was faulty.

If the water connection to the appliance is one of those watts flood-safe water lines, it may have stuck shut. I've seen this happen when the house water pressure is too high.

Does it still make ice?

If so, then the water connection is good, and either the switch in the water dispenser has failed or the water shutoff valve for the water dispenser has gone bad.

Some models have a problem with the water line getting frozen, such that simply leaving the light on in the water dispenser compartment overnight and/or manually defrosting the unit can get it working again.

NOT ENOUGH WATER PRESSURE AT WATERLINE OR WATER VALVE IS BAD AND NEEDS REPLACED

Our fridge did this. Unplugged, plugged back in and it reset and is now working.

When the filter freezes up, the outside casing may have cracked and will leak water when you dispense water through the door.  You will need to have the filter replaced and that should take care of the problem.  But the filter should never have frozen in the 1st place.  You will need to call a qualified LG technician to see what's going on inside the refrigerator.