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Error code reference

Fisher & Paykel Refrigerator Error Code F34

Both Solenoid Drivers have failed (display board fault code).

Fisher & Paykel codesFisher & Paykel refrigerator codes

Both Solenoid Drivers have failed (display board fault code).

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What F34 means on a Fisher & Paykel refrigerator

Error code F34 on a Fisher & Paykel refrigerator indicates that both solenoid drivers on the display board have failed simultaneously. Solenoid drivers are electronic circuits within the display board responsible for sending controlled electrical signals to solenoid valves, which regulate the flow of refrigerant or water within the refrigerator system. When both drivers fail at the same time, the board loses the ability to actuate these valves, disrupting normal operation of the refrigerator.

Because F34 is classified as a display board fault code, the root cause is located within the display board itself rather than in the solenoid valves or their wiring harnesses. The simultaneous failure of both solenoid driver circuits points strongly to an internal board-level fault, such as failed driver transistors, a shorted output stage, or damage to the board's integrated control circuitry. Voltage spikes, moisture intrusion, or prolonged heat exposure can all cause this type of multi-channel driver failure on a single board.

Diagnosing F34 requires careful inspection of the display board for visible signs of burning, corrosion, or component damage. Since both drivers have failed rather than just one, a simple wiring or connector issue is less likely to be the cause. In most cases, this fault requires replacement of the display board assembly to restore proper solenoid control and normal refrigerator function.

Source: manufacturer service documentation.

Common causes of F34

  1. 01

    Failed display board driver circuits

    Part replacement

    The most probable cause is internal failure of the solenoid driver circuits on the display board itself, such as blown transistors or a damaged output stage. Since both drivers have failed simultaneously, the board is the primary suspect and likely needs replacement.

  2. 02

    Voltage spike or power surge damage

    Part replacement

    A power surge or voltage spike can damage multiple driver circuits on the display board at once, which would explain the simultaneous failure of both solenoid drivers. Inspect the board for burn marks or scorched components.

  3. 03

    Moisture or corrosion on the display board

    Part replacement

    Moisture intrusion or condensation on the display board can cause corrosion that shorts out multiple driver circuits. Examine the board closely for discoloration, rust, or water residue around the driver components.

  4. 04

    Wiring harness fault to the display board

    Wiring / connection

    A damaged or poorly seated wiring connector between the display board and the rest of the refrigerator's control system could disrupt driver operation. Check all connectors going to the display board for secure seating and signs of damage before replacing the board.

See the test procedure for each cause

Frequently asked questions about F34

What does F34 mean on a Fisher & Paykel refrigerator?
F34 means that both solenoid drivers on the display board have failed. These drivers are electronic circuits that control solenoid valves regulating flow within the refrigerator system. Because both drivers failed at the same time, the fault is attributed to the display board itself rather than external components. This typically requires display board replacement to resolve.
Can I fix the F34 error myself?
DIY repair of F34 is challenging because it involves diagnosing and likely replacing the display board, which contains sensitive electronics. A knowledgeable DIYer comfortable with appliance electronics can inspect the board for visible damage and check wiring connectors, but most cases will require sourcing a replacement display board. If you are not confident working with appliance control boards, a qualified technician is recommended.
Is it safe to keep using my refrigerator while F34 is displayed?
Operating the refrigerator with an active F34 code is not advisable for extended periods. With both solenoid drivers failed, the refrigerator may not be able to properly regulate key internal valves, which could lead to inadequate cooling and food spoilage. It is best to address the fault promptly and transfer perishable items to another refrigerator in the meantime.
How much does it cost to repair a Fisher & Paykel refrigerator showing F34?
Repair costs for an F34 fault will vary depending on your location and the cost of the replacement display board. Parts alone can range from roughly $80 to $250 or more depending on the specific model, and professional labor charges typically add $100 to $200 on top of that. Getting a quote from a qualified appliance technician before proceeding is a good idea.
Will resetting the refrigerator clear the F34 error code?
A power reset may temporarily clear the F34 code from the display, but it will not fix the underlying hardware failure in the display board. If both solenoid driver circuits have genuinely failed, the code will return after the refrigerator restarts and performs its self-diagnostics. A reset is worth trying as a first step, but a persistent F34 code requires board inspection or replacement.

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