This error code may be displayed as either E rdH, or E fdH, reflecting Fresh food area, or Freezer area, respectively.
Cause
Defrost Failure, the Defrosting Sensor does not reach 40° within 80 minutes after starting defrost. Short or disconnection of the Heater Circuit.
Solution
Check the wiring and connections at Defrost Controller (Evaporators), and at the Main PCB.
OL defrost freezer heater, part replaced, tested fine.
RNN230915059615
RNN230918073549
RNN230920086275
No resistance on defrost heater
RNN231029076057 AI103834
RNN231030077477
RNN231029076618
RNN231109032037
RNN231108023994
Replaced fresh food Evap, unit had a sealed system issue as well
RNN231214001266
RNN231215009716
RNN231214001266 AI103834
RNN231218018615
RNN231222044042
RNN240104092042
RNN240122075939
Bad defrost heater in side by side
RNN240313011350
RNN240315023485
RNN240321050449
RNN240401090057
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21 Responses
OL defrost freezer heater, part replaced, tested fine.
RNN230915059615
RNN230918073549
RNN230920086275
No resistance on defrost heater
RNN231029076057 AI103834
RNN231030077477
RNN231029076618
RNN231109032037
RNN231108023994
Replaced fresh food Evap, unit had a sealed system issue as well
RNN231214001266
RNN231215009716
RNN231214001266 AI103834
RNN231218018615
RNN231222044042
RNN240104092042
RNN240122075939
Bad defrost heater in side by side
RNN240313011350
RNN240315023485
RNN240321050449
RNN240401090057