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Error code reference

Whirlpool Cooktop Error Code F-47 E-35

Power supply from power control board to User Interface is missing, or WIDE communication error between UI…

Whirlpool codesWhirlpool cooktop codes

Power supply from power control board to User Interface is missing, or WIDE communication error between UI and power control board, or an open fuse on the filter board (Type 2 failure).

First step from the service manual

Disconnect power and check that the cables between the User Interface and the power control board are not damaged and are firmly plugged in.

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

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What F-47 E-35 means on a Whirlpool cooktop

The F-47 E-35 error code on a Whirlpool cooktop signals a breakdown in communication or power delivery between the power control board and the User Interface (UI) board. Specifically, the code can indicate one of three conditions: the power supply from the power control board to the UI is absent, a WIDE communication error has occurred between the two boards, or an open (blown) fuse on the filter board is interrupting the circuit. All three conditions disrupt the ability of the cooktop's control system to function, since the UI relies on the power control board for both operating voltage and data communication.

The WIDE communication protocol is the internal signaling path that allows the UI board and power control board to exchange control data. When this link is broken or degraded, either board may report the fault. Common triggers include damaged wiring harnesses, loose or corroded connector pins, and failed board components. A blown fuse on the filter board is a Type 2 failure mode and is a distinct but related cause, since it cuts off power to part of the control circuit entirely, which can mimic a communication failure.

Diagnosing this code starts with a thorough inspection of the physical connections. With the cooktop fully de-energized, technicians should examine all cables running between the UI and the power control board, looking for pinched wires, burn marks, or connectors that are not fully seated. If the wiring checks out, the filter board fuse should be tested for continuity. Boards that show no visible damage but still produce the fault after reconnection may require replacement.

Source: manufacturer service documentation.

Common causes of F-47 E-35

  1. 01

    Loose or disconnected wiring harness

    Wiring / connection

    The cables connecting the UI board to the power control board may have worked loose over time due to vibration or handling. Check each connector end for a firm, fully seated connection.

  2. 02

    Damaged wiring between UI and power control board

    Part replacement

    Wires routed near heat sources or sharp edges can develop pinches, cuts, or burn spots that interrupt power or communication signals. Visually inspect the full length of each cable after disconnecting power.

  3. 03

    Blown fuse on the filter board

    Part replacement

    A Type 2 failure involves an open fuse on the filter board, which cuts off the circuit between the boards. Test the filter board fuse for continuity using a multimeter; a reading of no continuity confirms the fuse has failed.

  4. 04

    Failed power control board

    Part replacement

    If the power control board is not supplying the correct voltage to the UI, the board itself may have failed. This is suspected when wiring and fuses test good but the fault persists after reconnection.

  5. 05

    Failed User Interface board

    Part replacement

    The UI board may have an internal fault that prevents it from receiving or processing the communication signal from the power control board. This is typically confirmed after all wiring, fuses, and the power control board have been ruled out.

See the test procedure for each cause

Frequently asked questions about F-47 E-35

What does F-47 E-35 mean on a Whirlpool cooktop?
F-47 E-35 indicates that communication or power delivery between the power control board and the User Interface board has failed. The fault can stem from missing power supply to the UI, a WIDE communication error between the two boards, or a blown fuse on the filter board. All three scenarios prevent the cooktop from operating normally. Identifying which specific failure is present requires inspection of the wiring, connectors, and filter board fuse.
Can I fix F-47 E-35 myself, or do I need a technician?
Some causes of this error are within reach of a knowledgeable DIYer, particularly checking and reseating loose cable connections after disconnecting power. Testing the filter board fuse for continuity with a multimeter is also a straightforward task. However, if a control board needs to be replaced, comfort with appliance disassembly and electrical components is required, and many homeowners prefer to hire a technician for that step.
Is it safe to use my Whirlpool cooktop while F-47 E-35 is displayed?
The cooktop should not be used while this error is active. The fault indicates the control system is not functioning properly, which means the cooktop may not respond correctly to user inputs or safety commands. Disconnect power and avoid operating the appliance until the fault is diagnosed and repaired.
Will resetting my cooktop clear the F-47 E-35 error?
Disconnecting power for several minutes and restoring it may temporarily clear the display, but the error will return if the underlying problem has not been fixed. A loose connector that reseats itself may resolve the fault after a reset, but a blown fuse or a damaged board will require repair or replacement before the error clears permanently.
How much does it cost to repair a Whirlpool cooktop showing F-47 E-35?
Repair costs vary widely depending on the root cause. Reseating a loose connector costs nothing beyond your time. Replacing a filter board fuse or a wiring harness typically falls in the range of $20 to $80 for parts. Replacing a power control board or User Interface board can range from $100 to $350 or more for parts alone, with additional labor costs if a technician is involved.

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