Hotpoint-Ariston Freezers Error Codes

A1

Freezer display shows error A1 and the temperature is too high; food feels soft or partially thawed.

High Temperature Alarm / Prolonged Door Open Detection

A2

Freezer shows error A2 and the temperature is too low or fluctuating; some items may be over-frozen or frost-covered.

Temperature Sensor / Thermistor Fault

A3

Error A3 on display; freezer struggles to maintain temperature and may run continuously.

Evaporator Defrost Sensor / Evaporator NTC Fault

A4

Freezer shows error A4; unit may not defrost properly and frost builds up on the back wall.

Defrost Heater Circuit Fault

A5

Error A5 displayed; freezer may not cool correctly or may cycle erratically.

Ambient Temperature Sensor Fault

A6

Freezer shows error A6; compressor may not start or may shut down quickly.

Compressor Start / Inverter Communication Fault

AL01

Alarm code AL01; continuous beeping and high temperature warning.

High Temperature Alarm (Prolonged)

AL02

Alarm code AL02; low temperature alarm, freezer may be much colder than setpoint.

Overcooling Due to Sensor or Control Fault

AL03

Alarm code AL03; door alarm sounds even when the door appears closed.

Door Open Detection Fault

F01

Error F01 on display; freezer is not cooling or behaves unpredictably.

Main Control Board Failure

F02

Error F02; interior fan may not run and cooling is poor or uneven.

Evaporator Fan Motor Fault

F03

Error F03; freezer temperature reading is clearly wrong (e.g., shows -18°C but food is soft).

Freezer Compartment Temperature Sensor Error

F04

Error F04; freezer may not defrost and frost accumulates on the evaporator cover.

Defrost Sensor / Thermostat Error

F05

Error F05; freezer may not cool and compressor may not run.

Compressor Relay / Overload Fault

F06

Error F06; display or control panel may be unresponsive or show erratic behavior.

User Interface / Display Board Communication Fault

F07

Error F07; freezer may not maintain set temperature and may run continuously.

Heater or Relay Stuck On / Off (Control Board Logic Fault)

F08

Error F08; interior light or fan may not operate correctly when door is opened or closed.

Door Switch / Reed Sensor Fault

F09

Error F09; freezer may not respond to temperature changes or may reset unexpectedly.

EEPROM / Configuration Memory Error

F10

Error F10; freezer may not cool and compressor may not be commanded on.

Compressor Control Circuit Error

F11

Error F11; alarm beeps and display may flash, but cooling may appear normal initially.

Communication Error Between Display and Main Board

F12

Error F12; freezer may not accept user inputs and may be stuck in one mode.

User Interface Keypad Fault

Symptom

Bad smell or foul odor coming from inside the freezer, even after removing spoiled food.

Persistent Odor Contamination

Symptom

Burning smell or electrical odor coming from the freezer.

Overheating Electrical Component

Symptom

Excessive frost or ice buildup on the back wall or around drawers in a No Frost Hotpoint-Ariston freezer.

Defrost System Failure / Air Leak

Symptom

Freezer displays temperature but does not respond to button presses or touch controls.

Control Panel Unresponsive

Symptom

Freezer door will not close properly or pops open after being shut.

Door Alignment / Seal Failure

Symptom

Freezer interior light stays on even when the door is closed, causing warming and condensation.

Door Switch Stuck Open / Misalignment

Symptom

Freezer interior light works but compressor and fan do not start; no humming or clicking sounds.

No Start Condition (Control or Power Circuit)

Symptom

Freezer is too cold; ice cream is rock hard and items show freezer burn even at moderate settings.

Overcooling / Thermostat or Sensor Misregulation

Symptom

Freezer makes loud humming, buzzing, or clicking noises from the back.

Compressor or Condenser Fan Noise

Symptom

Freezer makes loud knocking or banging noises, especially when the compressor starts or stops.

Refrigerant Line or Compressor Mount Vibration

Symptom

Freezer not cooling at all; interior is at room temperature, light may work but there is no cold air.

Complete Loss of Cooling

Symptom

Freezer produces a high-pitched whine or squeal from inside the cabinet.

Evaporator Fan Motor Noise

Symptom

Freezer runs but does not get cold enough; temperature stays above -12°C and food softens over time.

Insufficient Cooling / Partial Loss of Capacity

Symptom

Freezer runs constantly and never seems to shut off, even when temperature is already very cold.

Continuous Running / Poor Regulation

Symptom

Freezer temperature fluctuates widely; sometimes too warm, sometimes too cold, without changing settings.

Erratic Temperature Control

Symptom

Freezer trips the household circuit breaker or RCD when it starts.

Electrical Short or Ground Fault

Symptom

Freezer vibrates excessively or rattles against surrounding cabinets or walls.

Excessive Vibration / Poor Leveling

Symptom

Frost-free (No Frost) Hotpoint-Ariston freezer has ice buildup only on one side of the evaporator.

Partial Evaporator Frost Pattern / Sealed System Issue

Symptom

Interior light does not work when the door is opened, but the freezer cools normally.

Interior Light Circuit Failure

Symptom

Thick ice forming around the door frame or at the top of the freezer opening.

Door Gasket Air Leak / Warm Air Ingress

Symptom

Water leaking from under the freezer onto the floor.

Defrost Drain Blockage / Water Management Issue

Symptom

Water or ice pooling on the bottom of the freezer compartment.

Internal Drainage Failure