mypros+
Error code reference

Fisher & Paykel Oven Error Code F5

A communications error occurred between the clock module and the power module.

Fisher & Paykel codesFisher & Paykel oven codes

A communications error occurred between the clock module and the power module.

First step from the service manual

Check the connections between the power module and clock module; if fault re-occurs replace the power module.

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

MyPros+ Max

Get the full diagnostic procedure for F5.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What F5 means on a Fisher & Paykel oven

The F5 error code on a Fisher & Paykel oven indicates a communications failure between two core control components: the clock module and the power module. These two modules work together to coordinate oven operation, with the clock module handling user inputs, timing functions, and display output, while the power module manages the delivery of power to heating elements and other load components. When the communication link between them breaks down or becomes unreliable, the oven's control system logs the F5 fault and typically halts normal operation to prevent unsafe or uncoordinated behavior.

The most common root cause is a physical connection problem. The wiring harness or connector pins linking the clock module and power module can work loose over time due to vibration, heat cycling, or simply age. Corrosion or debris on the connector terminals can also interrupt the data signal between the two modules. These connection issues should always be inspected and addressed before any component replacement is considered.

If the connections are found to be secure and in good condition but the F5 fault continues to reappear, the power module itself is the primary suspect. A failing power module may be unable to maintain stable communication with the clock module, resulting in repeated or persistent faults. In this scenario, replacing the power module is the recommended corrective action.

Source: manufacturer service documentation.

Common causes of F5

  1. 01

    Loose or disconnected wiring harness

    Wiring / connection

    The connector linking the clock module and power module may have worked loose due to vibration or heat cycling. Inspect both ends of the harness for secure seating and re-seat any loose connectors.

  2. 02

    Corroded or damaged connector terminals

    Wiring / connection

    Oxidation or physical damage on the connector pins between the two modules can interrupt the communication signal. Check the terminals for discoloration, pitting, or bent pins that may be preventing proper contact.

  3. 03

    Faulty power module

    Part replacement

    If connections check out but the F5 fault recurs, the power module is likely failing internally and can no longer maintain reliable communication with the clock module. Replacement of the power module is the recommended next step in this case.

  4. 04

    Faulty clock module

    Part replacement

    Though less commonly the cause, a defective clock module may be unable to send or receive communication signals correctly. This is typically considered after the power module and connections have been ruled out.

  5. 05

    Intermittent wiring damage

    Wiring / connection

    A chafed or partially broken wire in the harness between the two modules can cause sporadic F5 faults that are difficult to reproduce. Inspect the full length of the wiring harness for any signs of heat damage, rubbing, or insulation wear.

See the test procedure for each cause

Frequently asked questions about F5

What does F5 mean on a Fisher & Paykel oven?
F5 indicates a communications error between the oven's clock module and power module. These two components need to exchange data continuously to operate the oven safely and correctly. When that communication link fails or is interrupted, the oven logs the F5 fault. The problem is often a loose wiring connection, though a failed power module is also a common cause.
Can I fix the F5 error on my Fisher & Paykel oven myself?
Checking and re-seating the wiring connections between the clock module and power module is a reasonable first step for a technically confident DIYer who is comfortable working with appliance electronics. However, accessing these modules typically requires disassembling part of the oven's control panel or rear housing. If the fault persists after checking connections, replacing the power module is the next step and is best handled by a qualified technician.
Is it safe to use my Fisher & Paykel oven while the F5 error is showing?
It is not recommended to use the oven while the F5 fault is active. A communication failure between the clock module and power module means the oven's control system cannot reliably coordinate operation, which could lead to unpredictable heating behavior. The oven should remain off until the fault has been diagnosed and resolved.
Will resetting my Fisher & Paykel oven clear the F5 error?
A power reset, such as switching off the circuit breaker for a minute and restoring power, may temporarily clear the F5 code if the fault was caused by a transient communication glitch. However, if the underlying cause is a loose connection or a failing power module, the error will return during normal use. A reset alone is not a fix and the root cause should still be investigated.
How much does it cost to repair a Fisher & Paykel oven with an F5 error?
If the fix is simply re-seating a loose wiring connection, costs are limited to a service call fee, typically in the range of $80 to $150 depending on your location. If the power module needs to be replaced, total repair costs including parts and labor generally range from $200 to $450. Getting a diagnostic assessment from a qualified technician before committing to parts replacement is advisable.

Related Fisher & Paykel oven codes

All Fisher & Paykel oven codes
View all 17 Fisher & Paykel oven codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass