Kenmore bottom freezer refrigerator showing ER on one side and DH on other on temperature control

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Hello Mike,
It means that most likely that your Defrost Heater (DH) is not working and one of the following items could be bad;
Er dH Sensor did not get over 40 F Faulty fuse, heater, control board Controller assembly, defrost heater, relay on control board Here is the whole list for your refrigerator;
Kenmore Bottom Freezer Refrigerator Error Codes for 795 Models Sears...

Good Luck!
Rich Lilja
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