I have changed the PCB main and also the ice making motor in the freezer and I am still getting the ER DH code. The refrigerator works and makes ice but the code continues to appear. Is there a reset button I have have set after changing out the PCB main. I did the motor first then the board when I continued to get the error code. Thanks
Hi!
Please check the "Troubleshooting" part of the manual to a similar LG fridge
https://manualsbrain.com/en/manuals/942858/?page=37
SOURCE: LG Refrigerator
That stands for a defrost heater problem. Usually it's the defrost detect circuit that has a blown thermal fuse.
SOURCE: where is this fuse located on the LG refrigerator is displaying a ER DH code error
Hi. You have an Error Defrost Heater. Its taking too long for the heater sensor to open the circuit during defrost. You normally replace the heater, heater sensor and circuit board(motherboard) located on the back of the refrigerator in this situation. Check your mollex plugs and make sure they are connected tightly at the evaporator coil area. Sometimes they come loose. I reccommend replacing the heater and heater sensor located top right on the evaporator coil. This should take care of the problem. Need parts see me on ebay as user, themackshack. Good luck, Mack
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
SOURCE: Message ER DH continues to pop up on the door. If
ER =ambient temp sensor failure
DH= defrost heater
Defrost heater, temperature fuse short
circuit, unplugged connector(indicated
4 hour later after trouble)
You is gonna have defrost problemas!
If you need further help, reach me via phone at https://www.6ya.com/expert/dan_73bbd84fe1d95b61
SOURCE: error message on the display panel that says ER dH
ER dh means you have defrost issue that needs to be addressed asap. The evaporator has frosted up so badly that the circulating cold air cannot get to the refrigerator. You would need to get inside the freezer back panel and remove it to access into the evaporator coil area. Test the defrost circuits to see if the defrost terminator is broken. If it is, replace it and melt the ice build up as well.
Good luck
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