Error code reference

GE Refrigerator Error Code Er dH

Poor defrosting - defrosting sensor has not reached 46°F (8°C) after 1 hour of defrosting, caused by temperature fuse disconnection, heater disconnection, drain jam, or poor relay for heater.

SourceGE LMX28988 Refrigerator - Full Service Manualp. 20, 27

GE codes GE refrigerator codes

Diagnostic procedure

The full Er dH procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Check the door gasket, then check defrost control parts (defrost sensor, fuse-M, defrost heater) for resistance.

SourceGE LMX28988 Refrigerator - Full Service Manualp. 20, 27

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More steps, wiring diagram references, and verified part numbers

Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.

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Where this code is documented

1 manual in the MyPros+ library documents this code for GE refrigerator.

Models covered by the manuals that document this code

LMX28988**

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The full Er dH procedure

Where this code is documented

Models covered by the manuals that document this code

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