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Error code reference
Electrolux Water Heater Error Code 31
Inlet thermistor abnormality (open or short circuit).
SourceElectrolux Gas Water Heater - Service Manual (EN/EP18-19WI30LS)p. 19-20
Diagnostic procedure
The full 31 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
Measure the resistance through the inlet thermistor; check for an open or short circuit; check for improper connection.
SourceElectrolux Gas Water Heater - Service Manual (EN/EP18-19WI30LS)p. 19-20
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 Electrolux water heater.
Models covered by the manuals that document this code
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