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Error code reference

Electrolux Cooktop Error Code E31

Internal generator error, sync in the 3 cook zones induction module / left side cooking zones.

Electrolux codesElectrolux cooktop codes
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What the E31 error code actually means

The E31 error means the cooktop's electronics have detected a problem with the internal circuit that controls the three left-side burners. The left-side cooking zones will not operate while this fault is active. A technician will need to inspect the wiring and possibly replace the circuit board that powers those burners.

Diagnostic procedure

The full E31 procedure

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1
First diagnostic step
Test cables and connections on left side generator circuit board (dual). Replace the generator circuit board (LF/LR) in the 3 zones induction module.
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Most common causes of E31

Ranked by how often they cause this code
  1. 1Loose or disconnected cable on left generator board
  2. 2Corroded or damaged connector pins
  3. 3Failed LF/LR generator circuit board
  4. 4Damaged wiring harness

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Questions people ask about E31

What does E31 mean on a Electrolux cooktop?
E31 indicates an internal generator synchronization error in the 3-zone induction module that controls the left side cooking zones. The cooktop has detected that the sync signal on the left-side generator circuit board is not functioning correctly. This fault disables the affected left burners until the issue is resolved. Diagnosis starts with inspecting the cables and connections on the left generator board.
Is it safe to keep using my cooktop while E31 is displayed?
No, you should not attempt to use the left-side cooking zones while E31 is active. The fault indicates the generator circuit controlling those zones is not operating correctly, and continuing to use the cooktop could worsen the fault or risk damage to additional components. The cooktop's control system disables the affected zones as a protective measure.
How much does it cost to repair an E31 error on an Electrolux induction cooktop?
Repair costs depend on the root cause. If only a loose cable or connector is involved, you may only pay for a service call, typically in the range of $75 to $150. If the LF/LR generator circuit board requires replacement, parts and labor combined can range from $200 to $500 or more depending on the specific model and local labor rates. Getting a diagnostic estimate before authorizing the repair is advisable.
Can I fix the E31 error myself?
Some cases of E31 are caused by a loose cable or connector on the left generator board, which a technically confident DIYer can reseat after safely disconnecting power to the appliance. However, if the fault points to a failed LF/LR generator circuit board, that replacement is best handled by a qualified technician, as induction generator boards involve high-voltage components. Always disconnect the cooktop from power before opening the unit.
Will resetting the cooktop clear the E31 error?
A power reset by switching off the breaker for 30 to 60 seconds may temporarily clear the error display, but if the underlying cause, such as a loose connection or a failing generator board, is still present, E31 will return when the cooktop is used again. A reset is a useful first step to determine if the fault is intermittent, but it is not a substitute for proper diagnosis and repair.

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