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Error Code

Kenmore Refrigerator Code F1 Lo / F1 Hi Freezer Sensor

Plain-language guidance for Kenmore code F1 Lo/Hi on Refrigerator — symptoms, safe checks, and when to call a technician.

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At a glance

Error code overview

A plain-language snapshot of F1 Lo/Hi for Kenmore Refrigerator — confirm the model series before you act.

Daniel Reeves Written by Daniel Reeves Appliance Repair Content Specialist Published October 20, 2026

Content status Verified

Error code F1 Lo/Hi
Appliance Refrigerator
Quick answer

F1 Lo / F1 Hi: the freezer temperature sensor has failed on Kenmore 111-prefix bottom-freezer refrigerators.

Model compatibility

Kenmore reuses codes across series and model years, so F1 Lo/Hi may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.

Plain language

What this code means

Freezer sensor fault (low or high reading).

What F1 Lo and F1 Hi mean

Either message says the sensor that reads freezer compartment temperature has failed. It applies to Kenmore bottom-freezer refrigerators with 111-prefix model numbers.

Owner checks from the manual

Disconnect power by unplugging the unit first. Next, inspect the wiring between the freezer temperature sensor and the control board, and fix broken wires if you find any. The failure codes reset after the repair is made.

Technician checks

  • Measuring resistance through the sensor circuit from the control board
  • Replacing the freezer temperature sensor if the reading is outside the manual’s range

Sensor codes on the same series

Also look at FD Lo/Hi (freezer defrost sensor), i5 Lo/Hi (ice maker sensor) and F3 (freezer defrost heater).

Refrigerator repair for the Miami, New York, Houston, Los Angeles and San Diego areas

Reach us on (844) 747-3641. Keep the code, the model number and a note on the wiring check close by. The refrigerator service page has more background.

Source: Sears PartsDirect – Kenmore 111 model bottom-freezer refrigerator error codes

Caution

Safety warning

Important safety warning

Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.

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