Miele Refrigerators Error Codes

F0

Refrigerator displays F0 and may not cool correctly; alarm tone may sound intermittently.

General Sensor Fault

F1

Freezer displays F1; freezer temperature may be too warm or reading incorrectly.

Freezer Temperature Sensor Fault

F10

Display shows F10; refrigerator may not cool, or compressor may not run at all.

High‑Side Refrigeration System Fault / Overheat Protection

F11

Refrigerator shows F11; water dispenser or ice maker may not function correctly on plumbed‑in models.

Water Inlet Valve / Flow Fault

F12

Display shows F12; refrigerator may not recognize door status or may leave interior lights off/on incorrectly.

Door Contact Communication Fault

F13

Refrigerator displays F13; SuperCool or SuperFreeze functions may not operate correctly.

Special Function Sensor/Relay Fault

F14

Display shows F14; internal communication between control modules may be lost; unit may be unresponsive.

Internal Communication Bus Fault

F15

Refrigerator shows F15; interior LED lighting may flicker or fail.

LED Lighting Driver Fault

F2

Display shows F2; refrigerator may run continuously or shut down cooling intermittently.

Evaporator Sensor or Defrost Sensor Fault

F20

Alarm and F20 on display; refrigerator or freezer temperature too high.

High Temperature Alarm / Cooling Failure

F21

Display shows F21; freezer temperature too low or unstable; food may be excessively frozen or frosted.

Temperature Regulation Fault

F22

Refrigerator shows F22; ice buildup on evaporator and poor cooling.

Defrost System Control Fault

F3

Refrigerator shows F3 and may not defrost properly; ice buildup on rear wall or evaporator.

Defrost Heater Circuit Fault

F30

Display shows F30; audible alarm; refrigerator may not start after a power event.

Power Supply / Voltage Fault

F4

Display shows F4; interior light and controls may behave erratically, or unit may not start.

Door Switch or Door Contact Fault

F40

Display shows F40; refrigerator may shut down or operate erratically after a power fluctuation.

Mains Frequency / Power Quality Fault

F5

Refrigerator displays F5; compressor may not start or may run continuously.

Compressor Start/Run Circuit Fault

F50

Display shows F50; ice maker stops working or behaves erratically.

Ice Maker Motor / Position Sensor Fault

F51

Refrigerator shows F51; ice level sensor or bin detection not working; ice production stops prematurely.

Ice Level Sensor Fault

F6

Display shows F6; interior fan may not run, or airflow seems weak; uneven temperatures in compartments.

Evaporator Fan Motor Fault

F60

Display shows F60; water dispenser may not operate correctly on plumbed‑in models.

Flow Meter / Water Quantity Sensor Fault

F7

Refrigerator shows F7; ice maker or ice compartment may not maintain correct temperature.

Ice Maker Compartment Sensor Fault

F8

Display shows F8; refrigerator may not respond to control inputs or may reset unexpectedly.

User Interface / Control Panel Communication Fault

F9

Refrigerator displays F9; audible alarm may sound; temperatures may drift out of range.

Main Control Board Fault

Symptom

Clicking or knocking noise from ice maker area; little or no ice production.

Ice Maker Mechanical Jam

Symptom

Condensation or water droplets forming on interior walls and shelves.

High Humidity / Air Infiltration

Symptom

Door alarm sounds even when doors appear closed.

False Door Open Detection

Symptom

Exterior side walls or door edges feel very hot to the touch.

Condenser Heat Dissipation / Mullion Heater Overheating

Symptom

Freezer cold but refrigerator warm; ice buildup on rear freezer wall; fan noise may be loud or intermittent.

Evaporator Frost Block / Defrost Failure

Symptom

High‑pitched squealing or grinding noise from freezer area, especially when doors are closed.

Evaporator Fan Motor Bearing Failure

Symptom

Ice maker not filling with water; no ice production.

Ice Maker Water Supply Failure

Symptom

Ice or frost buildup around door gasket; moisture on door edges.

Door Seal Air Leak

Symptom

Interior lights not working but refrigerator cools normally.

Lighting Circuit Failure

Symptom

Refrigerator and freezer both warm; interior lights work but no humming from compressor.

Compressor Not Starting

Symptom

Refrigerator cycles on and off rapidly or makes clicking sounds; lights dim when compressor tries to start.

Power Supply / Start Load Issue

Symptom

Refrigerator does not start at all; display blank; no lights.

No Power / Main Fuse or Cord Failure

Symptom

Refrigerator intermittently shuts off and restarts; display resets.

Intermittent Power / Control Board Fault

Symptom

Refrigerator makes loud humming, rattling, or vibrating noises.

Mechanical Vibration / Loose Components

Symptom

Refrigerator not cooling in fresh food compartment but freezer is cold; rear wall of fridge may show frost or condensation.

Air Damper Failure / Blocked Air Channel

Symptom

Refrigerator runs constantly and is too cold; food freezing in fresh food compartment.

Thermostat / Temperature Sensor Misreading

Symptom

Strong unpleasant odor inside refrigerator even after cleaning.

Persistent Odor / Biofilm in Drain and Air Ducts

Symptom

Water dispenser not working but ice maker still produces ice (plumbed‑in models).

Dispenser Valve / Line Blockage

Symptom

Water leaking inside refrigerator compartment; water pooling under drawers or at bottom.

Blocked Defrost Drain

Symptom

Water leaking onto floor from under the refrigerator.

Drain Pan Overflow / Misaligned Drain Hose