Brandt Freezers Error Codes

AL01

Freezer beeps and displays AL01; temperature rises above setpoint and will not go back down

High Temperature Alarm / Cooling Failure

AL02

Freezer displays AL02 and beeps; temperature too low or fluctuating, food partially frozen solid beyond normal setting

Low Temperature / Sensor Out of Range

AL03

Freezer shows AL03; interior temperature display is blank or shows unrealistic values

Display / User Interface Communication Error

AL04

Freezer displays AL04; unit may not start cooling or may shut down unexpectedly

Door Open Alarm / Door Switch Fault

AL05

Freezer shows AL05; compressor may not run and interior light may still work

Compressor Start Protection / Overload Fault

AL06

Freezer displays AL06; unit may run continuously or not maintain correct temperature

Evaporator Temperature Sensor Fault

AL07

Freezer shows AL07; defrost cycle does not run correctly, frost accumulates on evaporator

Defrost Sensor / Thermal Fuse Fault

AL08

Freezer displays AL08; fan noise may stop and interior temperature becomes uneven

Evaporator Fan Motor Fault

AL09

Freezer shows AL09; unit may not defrost and may show heavy ice buildup

Defrost Heater Circuit Fault

AL10

Freezer displays AL10; compressor and fans may stop, unit may not respond to controls

Main Control Board Fault / Power Supply Error

AL11

Freezer shows AL11; interior light may stay on or off incorrectly, door alarm may behave erratically

Door Switch Circuit Error

AL12

Freezer displays AL12; temperature display may flash and unit may not reach set temperature

Ambient Temperature Sensor Fault

AL13

Freezer shows AL13; super-freeze (fast freeze) function does not operate correctly

Super Freeze Function / Relay Fault

AL14

Freezer displays AL14; interior fan may run erratically, temperature unstable

Fan Speed / Feedback Error

AL15

Freezer shows AL15; unit may not start after a power outage or brownout

Voltage Protection / Power Supply Error

AL16

Freezer displays AL16; internal communication between boards fails, some functions inoperative

Communication Error Between Main Board and Display/UI

AL17

Freezer shows AL17; ice forms excessively on door frame or around gasket area

Door Heater / Frame Heater Fault

AL18

Freezer displays AL18; unit may run but interior temperature reading is clearly wrong

Display Temperature Calibration / Sensor Mapping Error

Symptom

Alarm beeping without any visible error code; temperature appears normal

False Alarm / Alarm Circuit Fault

Symptom

Bad odor inside freezer even after removing spoiled food

Persistent Odor Contamination

Symptom

Condensation or sweating on exterior cabinet walls or around door frame

Condensation / Insulation or Heater Issue

Symptom

Freezer door difficult to open immediately after closing; strong suction effect

Normal Vacuum / Venting Issue

Symptom

Freezer door not closing properly; door pops open or remains ajar

Door Alignment / Hinge Wear

Symptom

Freezer interior light flickers or is dim

Lighting Power or LED Degradation

Symptom

Freezer interior surfaces feel hot to the touch near the door frame

Door Frame Heater Overheating

Symptom

Freezer interior too cold; items excessively hard or ice crystals everywhere even at low setting

Overcooling / Thermostat Stuck Closed

Symptom

Freezer makes loud knocking, rattling, or banging noises during operation

Mechanical Vibration / Loose Components

Symptom

Freezer not cooling at all; interior at room temperature, light works but no cold air

Complete Loss of Cooling

Symptom

Freezer not starting at all; no lights, no display, completely dead

No Power / Dead Appliance

Symptom

Freezer runs continuously and never cycles off; temperature may be too warm or too cold

Thermostat or Temperature Control Failure

Symptom

Freezer runs noisy only during defrost or shortly after

Defrost Expansion / Drip Noise

Symptom

Freezer temperature fluctuates widely; sometimes too warm, sometimes too cold

Unstable Temperature Control

Symptom

Freezer too warm; food softening, but compressor and fan seem to run

Insufficient Cooling / Partial Loss of Capacity

Symptom

Freezer trips the circuit breaker or RCD when plugged in or when compressor starts

Electrical Short / Earth Leakage

Symptom

Freezer vibrates excessively or hums loudly, especially when compressor starts

Excessive Vibration / Poor Installation

Symptom

Frost or ice buildup on the interior walls, ceiling, or around the door opening

Air Infiltration / Gasket Leak

Symptom

Heavy ice buildup on evaporator coil; airflow reduced, temperature rising

Defrost System Failure

Symptom

High-pitched squealing or chirping noise from inside the freezer

Evaporator Fan Bearing Wear

Symptom

Interior light not working but freezer otherwise cools normally

Lighting Circuit Failure

Symptom

Water pooling at the bottom of the freezer or on the floor in front

Defrost Drain Blockage