Error code reference

Dometic Refrigerator Error Code E3

Overheating thermostat is open (thermo disc or thermo fuse tripped).

SourceDometic Refrigerator - Service Manual: RM3762 & RM3962Section 10, page 25

Dometic codes Dometic refrigerator codes

Diagnostic procedure

The full E3 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 for continuity of the thermo disc and thermo fuse, reset if tripped. Check for restrictions in venting and possible internal failure of the cooling unit.

SourceDometic Refrigerator - Service Manual: RM3762 & RM3962Section 10, page 25

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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 Dometic refrigerator.

Models covered by the manuals that document this code

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The full E3 procedure

Where this code is documented

Models covered by the manuals that document this code

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