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Error code reference

Frigidaire Cooktop Error Code E30

AC input voltage too high at the 3 cook zones induction module.

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What the E30 error code actually means

Your Frigidaire induction cooktop is detecting that the electrical voltage coming into it from your home's wiring is too high, which could damage the internal electronics. The cooktop shuts itself down as a safety measure when this happens. This is often caused by a fluctuation or problem with your home's electrical supply rather than a defect in the cooktop itself.

Diagnostic procedure

The full E30 procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Verify AC input voltage at the cooktop input.
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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Most common causes of E30

Ranked by how often they cause this code
  1. 1Utility supply overvoltage
  2. 2Neutral wire fault causing voltage imbalance
  3. 3Faulty dedicated circuit wiring
  4. 4Faulty induction module voltage sensing circuit
  5. 5Transient voltage spike or surge event

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Questions people ask about E30

What does E30 mean on a Frigidaire cooktop?
E30 indicates that the AC input voltage measured at the 3-cook-zone induction module is too high. The cooktop's control system triggers this code as a protective measure to prevent damage to the induction module's power circuitry. The first step is to measure the actual supply voltage at the cooktop's input to determine whether the problem originates from the home's electrical system or from the appliance itself.
Is it safe to use my Frigidaire cooktop while it shows E30?
No. The E30 code means the cooktop has detected an overvoltage condition and has shut down to protect its internal components. Continuing to operate it under overvoltage conditions risks damaging the induction module and could create a fire or shock hazard. The underlying voltage issue should be diagnosed and corrected before the cooktop is used again.
Will resetting the cooktop clear the E30 error code?
A power reset, such as turning off the circuit breaker for 30 seconds and restoring power, may clear the E30 code temporarily if the overvoltage condition was caused by a transient surge that has since passed. However, if the supply voltage remains elevated or a wiring fault is present, the code will return. A reset alone does not fix the underlying electrical issue, so voltage should always be verified after the reset to confirm the supply is within normal range.
Can I fix the E30 error myself, or do I need a technician?
Basic voltage checks at the wall outlet or terminal block can be performed by a knowledgeable DIYer using a multimeter, but working inside a 240V circuit carries serious shock hazards and should only be done if you are comfortable with electrical safety procedures. If the voltage reads high, the fix involves the home's electrical system, which typically requires a licensed electrician. If the induction module itself needs replacement, that repair is generally best handled by an appliance technician.
How much does it cost to repair an E30 error on a Frigidaire induction cooktop?
Repair costs vary depending on the root cause. If the problem is a loose neutral or wiring issue, an electrician's service call typically runs between $100 and $300. If the induction module requires replacement, parts and labor combined can range from $200 to $600 or more depending on parts availability and local labor rates. A voltage issue resolved by the utility company would cost nothing from an appliance repair standpoint.

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