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Error code reference
GE Refrigerator Error Code Er IS
Icing sensor error caused by short or disconnection of the icemaker-related sensor (icing sensor or ice maker sensor).
SourceGE LMX28988 Refrigerator - Full Service Manualp. 20, 25
Diagnostic procedure
The full Er IS 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
1
First diagnostic step
Check for a loose connection, then check Blue to Blue at CON101 on the Display PCB for resistance.
SourceGE LMX28988 Refrigerator - Full Service Manualp. 20, 25
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
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