SOURCE: Error code ER FF
The error indicates the freezer fan is not functioning properly. The
fan supplies cold air to the refrigerator that is why it seems warmer.
The fan may be frozen, try unplugging it for a few hours to let it
thaw. Also check to see if something may have gotten into the vent
holes in the freezer that could be blocking the fan from turning.
SOURCE: Error Code
dh error code is a defrost problem. You will need to call a qualified LG technician to diagnose and repair this problem.
SOURCE: LG Refrigerator Defrost Error ER DH
it the def t-stat, def. thermistor, or def. fuse whatever lg decides to call it this week that is causing your issue
If you need further help, reach me via phone at https://www.6ya.com/expert/marlon_56d9a24f02585258
SOURCE: defrost thermostat connector
Where is the defrost heater? If it is below the problem area, I don't think it is a defrost problem. This sounds like low freon. The symptoms of this are heavy frost on only part of the coils. Try deforsting with a hair dryer and putting it back together. Wait about 3 hours and look again. If there is frost only on part of the coils that is bad. The most this unit could defrost is every 4 hours, most are on 8 or 12 hour cycles. On most units the defrost timer shuts off the compressor and gives current to the defrost heater/s through the defrost thermostat. This thermostat is closed below 15 degrees and opens at a much higher temp after sensing the heat. This shuts off the heat usually before the timer and lets the water drip down where it should go. Then the timer turns the compressor back on and removes current from the defrost system. A common defrost problem is if the doors are left open for a LONG time or not shut all the way. Sometimes it causes so much ice that it can't melt with just one defrost cycle. This problem builds as if air flow is restricted it causes even more frost and gets worse. If this ever happens , just find the defrost timer and turn it very slowly click by click just until the compressor stops. Let it defrost , then do it again in about 2 hours. If it is a low freon problem there may still be a partial warrenty left sometimes the sealed system is guarenteed ror 5 - 10 years. Sometimes if it is not covered it is not worth fixing.
SOURCE: where is this fuse located on the LG refrigerator is displaying a ER DH code error
GO TO SEARS .COM ,CLICK ON PARTS,PUT YOUR MODEL NUMBER IN AND YOU WILL FIND WHERE THE PART IS,LET ME KNOW-MIKE
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