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Error code reference

Fisher & Paykel Cooktop Error Code Ex

Cooking zone specific errors (category of zone-specific error codes).

Fisher & Paykel codesFisher & Paykel cooktop codes

Cooking zone specific errors (category of zone-specific error codes).

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What Ex means on a Fisher & Paykel cooktop

The Ex error code on a Fisher & Paykel cooktop is a category-level designation representing cooking zone specific errors. Rather than pointing to a single fault, Ex serves as a prefix or grouping for a range of zone-level fault codes, where the "x" typically corresponds to a specific cooking zone number or sub-fault identifier. These errors are generated by the cooktop's control system when it detects an abnormal condition within one or more of the individual induction or radiant cooking zones.

Zone-specific errors can involve several subsystems depending on the exact sub-code. Common areas include the zone's power switching components such as IGBT modules on induction models, temperature sensing circuits, zone control boards, or communication pathways between the main control board and individual zone drivers. On induction cooktops in particular, each zone has dedicated electronics that regulate power delivery to the coil, and faults in these circuits generate zone-specific codes to help technicians isolate which zone is affected.

Because Ex is a category rather than a single fault, proper diagnosis requires identifying the full error code displayed, including the specific number or character that follows the "E" prefix. The complete code will direct the technician to the correct subsystem, whether that is a thermal cutout trip, a coil or element fault, a sensor out-of-range reading, or a control board communication failure. Clearing the error without identifying the root cause is unlikely to provide a lasting repair.

Source: manufacturer service documentation.

Common causes of Ex

  1. 01

    Zone control board or IGBT failure

    Part replacement

    On induction models, the power switching components (IGBTs) that regulate energy to each coil can fail due to overheating or voltage spikes. This typically causes a zone to stop heating and triggers a zone-specific error code.

  2. 02

    Zone temperature sensor fault

    Part replacement

    Each cooking zone uses a temperature sensor to monitor heat levels. A failed or out-of-range sensor will cause the control system to flag the affected zone and disable it as a safety measure.

  3. 03

    Thermal cutout or overheat condition

    Wiring / connection

    If a zone has overheated due to prolonged high-power use or blocked ventilation, a thermal cutout may have tripped. The error may clear after the unit has fully cooled, though repeated trips suggest an underlying issue.

  4. 04

    Wiring or connection fault at the zone

    Wiring / connection

    Loose, burnt, or corroded connectors between the main board and a zone's heating element or coil can cause intermittent or permanent zone faults. Inspect wiring harnesses for visible damage or poor seating.

  5. 05

    Main control board communication error

    Part replacement

    If the main control board cannot properly communicate with a zone driver circuit, a zone-specific error will be generated. This may point to a failing main board rather than the zone hardware itself.

See the test procedure for each cause

Frequently asked questions about Ex

What does Ex mean on a Fisher & Paykel cooktop?
The Ex code on a Fisher & Paykel cooktop is a category of zone-specific error codes, where the character following the E identifies a particular cooking zone or fault type. It indicates the cooktop's control system has detected an abnormal condition in one or more individual heating zones. To diagnose the issue accurately, you need to note the complete code displayed, not just the E prefix. The full code will point to the specific zone and type of fault involved.
Can I fix an Ex error on my Fisher & Paykel cooktop myself?
Some Ex errors, such as those caused by an overheat condition, may resolve after the cooktop has cooled down completely and power is restored. However, faults involving zone control boards, IGBT components, or sensors typically require component-level diagnosis and replacement, which is best handled by a qualified technician. Attempting repairs on induction cooktop electronics without proper knowledge can be hazardous due to high-voltage components inside the unit.
Is it safe to keep using my cooktop when an Ex error is showing?
No, you should not continue using the cooktop while an Ex error is active. The code indicates the control system has detected a fault in a cooking zone and may have disabled that zone specifically to prevent damage or a safety hazard. Continued use could worsen the fault or create a risk of overheating. Stop using the appliance and arrange for inspection before operating it again.
Will resetting my Fisher & Paykel cooktop clear the Ex error?
A power reset by switching off the cooktop at the circuit breaker for several minutes may clear the error if it was caused by a temporary condition such as an overheat trip. However, if the underlying fault involves a failed component such as a sensor, IGBT, or control board, the error will return once the cooktop is powered back on and the zone is used. A reset alone is not a repair.
How much does it cost to repair an Ex error on a Fisher & Paykel cooktop?
Repair costs vary depending on the specific fault identified within the Ex category. A simple wiring reconnection or thermal reset may involve only a service call fee, typically in the range of $80 to $150. Component replacements such as zone control boards or IGBT modules can bring total repair costs to between $200 and $500 or more, depending on parts pricing and labor rates in your area.

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