Error code reference

Norcold Refrigerator Error Code oP LI

The temperature monitor control (TMC) limit switch is open or not connected to power board terminals LIMIT IN and LIMIT OUT, stopping AC and gas operation.

SourceNorcold 2118 Series - Service Manual: Gas/Electric Refrigeratorsp. 18-22

Diagnostic procedure

The full oP LI 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 if TMC red light is on solid or flashing, and follow the oP LI diagnostic flowchart.

SourceNorcold 2118 Series - Service Manual: Gas/Electric Refrigeratorsp. 18-22

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

9 manuals in the MyPros+ library document this code for Norcold refrigerator.

Models covered by the manuals that document this code

More models are covered than are listed here.

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