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Error code reference

Fisher & Paykel Refrigerator Error Code INV-10

Inverter module error (LED flashes 10 times on inverter).

Fisher & Paykel codesFisher & Paykel refrigerator codes

Inverter module error (LED flashes 10 times on inverter).

First step from the service manual

Replace inverter module.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What INV-10 means on a Fisher & Paykel refrigerator

The INV-10 error code on a Fisher & Paykel refrigerator indicates a fault within the inverter module, signaled by the inverter's onboard LED flashing 10 times in sequence. The inverter module is responsible for controlling the variable-speed compressor, converting DC voltage into the precise AC frequency needed to regulate compressor speed and, by extension, refrigerant flow and cabinet temperature. When the inverter detects an internal fault condition it cannot resolve, it communicates this to the control system through the LED flash pattern and triggers the error code.

The inverter module can fail due to several root causes, including internal component degradation, power surges that damage the module's circuitry, overheating caused by poor ventilation around the compressor compartment, or moisture intrusion that compromises the board. Because the LED flash count is specifically mapped to an inverter-level fault rather than a sensor or wiring issue, the fault is localized to the module itself rather than peripheral components like temperature sensors or the main control board.

Since the primary diagnostic step for INV-10 is direct replacement of the inverter module, extensive component-level testing of the module is generally not recommended in the field. Technicians should confirm the error code is genuinely INV-10 by observing the 10-flash sequence on the inverter LED before proceeding with replacement. Inspecting the compressor compartment for signs of overheating, burn marks, or moisture damage prior to installing the new module can help prevent repeat failures.

Source: manufacturer service documentation.

Common causes of INV-10

  1. 01

    Failed inverter module

    Part replacement

    The inverter module itself has experienced an internal fault, confirmed by the 10-flash LED sequence on the module. This is the primary cause identified for INV-10, and replacement of the module is the indicated corrective action.

  2. 02

    Power surge damage

    Part replacement

    A voltage spike from the power supply can damage the inverter module's internal circuitry, triggering a latched fault condition. Check for signs of burn marks or discoloration on the module board.

  3. 03

    Overheating of the inverter module

    Wiring / connection

    Restricted airflow around the compressor compartment can cause the inverter module to overheat and fail. Inspect the condenser area for dust buildup or blockages before installing a replacement module.

  4. 04

    Moisture or corrosion on the inverter board

    Part replacement

    Water intrusion or condensation in the compressor compartment can corrode the inverter module's circuitry and cause an irreversible fault. Look for visible corrosion or water staining on or around the module.

See the test procedure for each cause

Frequently asked questions about INV-10

What does INV-10 mean on a Fisher & Paykel refrigerator?
INV-10 indicates a fault detected within the inverter module, which is the component that controls the variable-speed compressor. The fault is identified by the inverter's onboard LED flashing 10 times. This error means the inverter module has failed internally and needs to be replaced. The refrigerator's cooling performance will typically be compromised while this fault is active.
Can I fix the INV-10 error myself?
The repair involves replacing the inverter module, which is located in the compressor compartment and connected to high-voltage circuitry. While a knowledgeable DIYer may be able to source and install the part, working near compressor wiring carries electrical safety risks. It is generally advisable to have a qualified appliance technician perform the replacement to ensure safe handling and correct installation.
Is it safe to keep using my refrigerator with the INV-10 error showing?
Continuing to operate the refrigerator with an active INV-10 fault is not recommended. The inverter module controls compressor operation, so a failure here means the compressor may not run correctly or at all, putting food safety at risk. There is also a potential for further electrical damage if the underlying fault condition is not addressed promptly.
How much does it cost to repair the INV-10 error on a Fisher & Paykel refrigerator?
Repair costs will depend on the price of the replacement inverter module and labor charges in your area. Parts alone can range from roughly $150 to $400 depending on the specific model, with labor adding an additional $80 to $200 or more. Getting a quote from a technician before proceeding is a good way to weigh repair cost against the age and value of the appliance.
Will resetting my Fisher & Paykel refrigerator clear the INV-10 error?
A power reset may temporarily clear the displayed error, but it will not resolve the underlying inverter module fault. Because INV-10 reflects an internal hardware failure within the module, the fault code will return once the refrigerator powers back up and the inverter self-tests. Permanent resolution requires replacing the inverter module.

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