Fisher & Paykel Refrigerator Error Code F1

Reviewed by the ApplianceErrors Editorial Team · Verified against manufacturer service documentation · Last verified: June 11, 2026

⚠ Medium Severity 🔧🔧 Moderate DIY

Freezer compartment sensor fault

The most common cause of the F1 error on a Fisher & Paykel refrigerator is failed freezer thermistor (~50% of cases); start with: power cycle.

💰 DIY cost: $20–$45 👨‍🔧 Pro cost: $150–$320 Save $130+ by doing it yourself

Fisher & Paykel Refrigerator error code F1 on the display panel — How the F1 code appears on a Fisher & Paykel refrigerator display

What Does Error Code F1 Mean on a Fisher & Paykel Refrigerator?

Freezer compartment sensor fault.

F1 fires when the control board reads the freezer compartment thermistor as open-circuit or short-circuit — a resistance value outside its expected range for any real temperature. Because the board loses reliable freezer feedback, it stops precise regulation and runs a fixed fallback compressor duty cycle. This is distinct from F2, which points to the fresh-food sensor, and from cooling-performance codes like F40; F1 is purely a sensor-circuit integrity fault, not a compressor or airflow problem.

Models affected: Fisher & Paykel ActiveSmart refrigerators with digital fault display, including the RF170ADUSX4 French-door series

What owners report: Owners commonly report F1 appearing suddenly on the display while the freezer still feels cold, since the fallback cycle keeps running. A brief power cycle sometimes clears a marginal reading, but if the code returns immediately it usually points to the thermistor or a corroded connector rather than the board.

What Causes Error Code F1?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

1

Failed freezer thermistor 50% of cases
2

Corroded or loose sensor connector 30% of cases
3

Damaged sensor harness 10% of cases
4

Control board input failure 10% of cases

How to Fix Fisher & Paykel Refrigerator Error Code F1

🔧🔧 Moderate DIY Est. time: 30–60 min

⚡ Safety first: Unplug the appliance before opening any panels or touching internal components.

1

Power cycle

Unplug for 5 minutes — a marginal connection occasionally recovers, and the fault re-asserts immediately if genuine.
2

Test the sensor

Unplug the fridge, access the freezer sensor, and measure its resistance against the service chart; open or shorted readings mean replacement.

🔩 Fisher & Paykel freezer sensor ($20–$45)

⚠️ Unplug the refrigerator before accessing sensors.
3

Check the harness

Inspect the connector for condensation corrosion before condemning the board.

How to Reset Error Code F1

Unplug for 5 minutes; the code returns on power-up if the fault is still present.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

Did this guide fix your appliance?

When to Call a Professional

If a new sensor doesn't clear F1, the control module input has failed — call a tech.

Average professional repair cost for this issue: $150–$320

Related Error Codes

Fresh food compartment sensor fault

⚠ Medium Severity

F40

Fan motor fault — a circulation fan is not running at commanded speed

⚠ High Severity

Same Code on Other Brands

Error code F1 appears on these other brands too. See every brand that shows F1 →

Samsung Microwave F-1

Keypad membrane failure — dead or stuck key

LG Oven F1

Oven temperature sensor open circuit

Whirlpool Dryer F01

Main control board failure

Whirlpool Oven F1

Control board failure

Find Replacement Parts

Use these links to find the exact replacement parts for your Fisher & Paykel Refrigerator:

🔩

Search PartSelect

Fisher & Paykel Refrigerator repair parts

🔧

Search RepairClinic

Step-by-step video guides

External links — ApplianceErrors.com is not affiliated with these retailers.

Frequently Asked Questions

Can I keep using my Fisher & Paykel Refrigerator when error F1 appears? +

You often can for a cycle or two, but the sensor issue behind F1 will keep interrupting normal operation until it is fixed. Plan the repair rather than ignoring the code.

What most commonly causes F1 on a Fisher & Paykel Refrigerator? +

Across reported Fisher & Paykel refrigerator repairs, the most frequent is failed freezer thermistor (50% of cases), corroded or loose sensor connector (30%), then damaged sensor harness (10%). Check them in that order before replacing any parts.

F1 keeps coming back after a reset — what should I check next? +

A reset only clears the stored F1 fault; if it returns, the sensor problem is still present. Move on to the physical checks — power cycle, then test the sensor — since the code will reappear until the root cause is resolved. This is a moderate job — a multimeter and some disassembly are usually involved.

How much does it cost to fix Fisher & Paykel Refrigerator error F1? +

A DIY repair typically runs $20–$45 in parts, versus $150–$320 for a professional service call, so handling it yourself saves around $130. Expect the work to take roughly 30–60 minutes.

Which Fisher & Paykel Refrigerator models show error F1? +

F1 is documented on Fisher & Paykel ActiveSmart refrigerators with digital fault display, including the RF170ADUSX4 French-door series. Other units sharing the same control platform can display it too, so the fixes here generally transfer across the series.

Sources & References

• Fisher & Paykel Support — official manufacturer documentation
• Our editorial & verification policy

Content verified against manufacturer service documentation. Last verified: June 11, 2026.

← All Fisher & Paykel Refrigerator Error Codes ← All Fisher & Paykel Error Codes