OEM VERIFIED BENCH

OFFICIAL FAULT CODEAL01

Bauknecht // OFFICIAL DIAGNOSTIC BENCH

Bauknecht AL01

RefrigeratorNTC Temperature Sensor & Thermistor

Refrigerator

Other Brands Sharing Code AL01:MieleAL01 IndesitAL01 V-ZugAL01 De DietrichAL01 LiebherrAL01 GaggenauAL01 SchulthessAL01 FAGORAL01 RosieresAL01 SauterAL01

Symptom / Description

FAULT

Freezer Temperature Sensor Fault

TELEMETRY // LIVESIG: FAULT_DETECTED

Root Cause

ROOT CAUSE

The temperature sensor (NTC) inside the freezer compartment is faulty or disconnected.

CIRCUIT // SUBSYSTEMLOGIC: ROOT_ISOLATED

Repair Instructions

UNLOCKED

1Check the sensor's connection. If secure, the sensor will likely need to be replaced.

AI diagnostic workshop engine analyzing appliance circuit schematics and error telemetry in real time

AI WORKSHOP PROTOCOL ENGINE

Direct extraction from OEM factory manuals & wiring schematics

Field Actions

DISPATCH

Need Help? Call a Certified Technician Worldwide Bauknecht Parts Finder

Electrical & Safety Protocol

Always disconnect appliance from 230V/400V mains before opening panels. Use CAT III multimeter for circuit testing.

CALIBRATED BENCH PROTOCOL // CAT III 600V

Workshop Verification & Safety Checklist

WORKSHOP VERIFICATION PROTOCOLNTC Temperature Sensor & ThermistorRefrigerator / Freezer

2. Multimeter & Electrical Bench Tests (Ω)

MODE: OHMMETER (Ω)AUTO-RANGE

Precision digital multimeter probes measuring electrical resistance in Ohms on an appliance control board

CALIBRATED METROLOGY RESISTANCE BENCH (CAT III)

Nominal Resistance (Ω)

4.8kΩ–12kΩ (at 20°C–25°C)NOMINAL

0 Ω (SHORT)CALIBRATED BAND∞ OL (OPEN)

▲ NOMINAL OPERATING WINDOW

Target Component:NTC Temperature Sensor Probe (Thermistor)

Test Pins & Connections

PROBE (+)

PROBE (-)

Across sensor pins 1-2 (unplugged harness)

Tolerance & Diagnostic CriteriaNegative temperature coefficient: resistance drops smoothly when warmed with fingers. OL = open circuit.

1. Pre-Intervention Electrical Safety Protocols

!Electrical Safety Protocol: Disconnect 230V electrical mains power before removing appliance side or rear panels.
!Ensure tub water or heating chamber has cooled below 30°C before unclipping thermistor probe.
!Use CAT III 600V/1000V insulated test probes when tng at PCB edge connectors.

3. Preliminary Mechanical & Visual Checks

Inspect sensor immersion sleeve for calcification, limescale scale, or thermal paste degradation.
Check wiring harness for pinch points, chafing against chassis metal, and terminal pin oxidation.
Verify probe is firmly seated in its rubber grommet or bracket inside the water/air circuit.

Perform these diagnostic steps before triggering AI Deep Search or replacing boards.Certified Workshop Routine

Frequently Asked Questions: Bauknecht AL01

FAQ TREE

What does error code AL01 mean on a Bauknecht appliance?

Bauknecht error code AL01 indicates: Freezer Temperature Sensor Fault.

What is the root cause of Bauknecht error code AL01?

The primary root cause for Bauknecht code AL01 is: The temperature sensor (NTC) inside the freezer compartment is faulty or disconnected..

How do I fix or resolve Bauknecht error code AL01?

To resolve error code AL01: Check the sensor's connection. If secure, the sensor will likely need to be replaced.

Is it safe to clear Bauknecht error code AL01 by resetting power?

Resetting power (unplugging for 5–10 minutes) clears temporary memory errors. However, if Bauknecht code AL01 persists, the physical component causing The temperature sensor (NTC) inside the freezer compartment is faulty or disconnected. must be inspected or replaced.

How do I test electrical resistance for Bauknecht code AL01 using a multimeter?

Set a digital multimeter to ohms (Ω). Disconnect power and test NTC Temperature Sensor Probe (Thermistor) across Across sensor pins 1-2 (unplugged harness). Expected nominal reading is 4.8kΩ–12kΩ (at 20°C–25°C). Tolerance: Negative temperature coefficient: resistance drops smoothly when warmed with fingers. OL = open circuit..

What safety protocol must be followed before servicing Bauknecht code AL01?

Standard electrical safety protocol: 1. Disconnect 230V mains power before opening panels. 2. Verify zero voltage at test points. 3. Allow hot water or heating elements to cool below 30°C before handling.

Community Verification

COMMUNITY

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OEM VERIFIED BENCH

OFFICIAL FAULT CODEAL01

Bauknecht // OFFICIAL DIAGNOSTIC BENCH

Bauknecht AL01

RefrigeratorNTC Temperature Sensor & Thermistor

Refrigerator

Other Brands Sharing Code AL01:MieleAL01 IndesitAL01 V-ZugAL01 De DietrichAL01 LiebherrAL01 GaggenauAL01 SchulthessAL01 FAGORAL01 RosieresAL01 SauterAL01

Symptom / Description

FAULT

Freezer Temperature Sensor Fault

TELEMETRY // LIVESIG: FAULT_DETECTED

Root Cause

ROOT CAUSE

The temperature sensor (NTC) inside the freezer compartment is faulty or disconnected.

CIRCUIT // SUBSYSTEMLOGIC: ROOT_ISOLATED

Repair Instructions

UNLOCKED

1Check the sensor's connection. If secure, the sensor will likely need to be replaced.

AI WORKSHOP PROTOCOL ENGINE

Direct extraction from OEM factory manuals & wiring schematics

Field Actions

DISPATCH

Need Help? Call a Certified Technician Worldwide Bauknecht Parts Finder

Electrical & Safety Protocol

Always disconnect appliance from 230V/400V mains before opening panels. Use CAT III multimeter for circuit testing.

CALIBRATED BENCH PROTOCOL // CAT III 600V

Workshop Verification & Safety Checklist

WORKSHOP VERIFICATION PROTOCOLNTC Temperature Sensor & ThermistorRefrigerator / Freezer

2. Multimeter & Electrical Bench Tests (Ω)

MODE: OHMMETER (Ω)AUTO-RANGE

CALIBRATED METROLOGY RESISTANCE BENCH (CAT III)

Nominal Resistance (Ω)

4.8kΩ–12kΩ (at 20°C–25°C)NOMINAL

0 Ω (SHORT)CALIBRATED BAND∞ OL (OPEN)

▲ NOMINAL OPERATING WINDOW

Target Component:NTC Temperature Sensor Probe (Thermistor)

Test Pins & Connections

PROBE (+)

PROBE (-)

Across sensor pins 1-2 (unplugged harness)

Tolerance & Diagnostic CriteriaNegative temperature coefficient: resistance drops smoothly when warmed with fingers. OL = open circuit.

1. Pre-Intervention Electrical Safety Protocols

!Electrical Safety Protocol: Disconnect 230V electrical mains power before removing appliance side or rear panels.
!Ensure tub water or heating chamber has cooled below 30°C before unclipping thermistor probe.
!Use CAT III 600V/1000V insulated test probes when tng at PCB edge connectors.

3. Preliminary Mechanical & Visual Checks

Inspect sensor immersion sleeve for calcification, limescale scale, or thermal paste degradation.
Check wiring harness for pinch points, chafing against chassis metal, and terminal pin oxidation.
Verify probe is firmly seated in its rubber grommet or bracket inside the water/air circuit.

Perform these diagnostic steps before triggering AI Deep Search or replacing boards.Certified Workshop Routine

Frequently Asked Questions: Bauknecht AL01

FAQ TREE

What does error code AL01 mean on a Bauknecht appliance?

Bauknecht error code AL01 indicates: Freezer Temperature Sensor Fault.

What is the root cause of Bauknecht error code AL01?

The primary root cause for Bauknecht code AL01 is: The temperature sensor (NTC) inside the freezer compartment is faulty or disconnected..

How do I fix or resolve Bauknecht error code AL01?

To resolve error code AL01: Check the sensor's connection. If secure, the sensor will likely need to be replaced.

Is it safe to clear Bauknecht error code AL01 by resetting power?

How do I test electrical resistance for Bauknecht code AL01 using a multimeter?

What safety protocol must be followed before servicing Bauknecht code AL01?

Community Verification

COMMUNITY

Did this solution resolve the issue?

Bauknecht AL01

Symptom / Description

Root Cause

Repair Instructions

Field Actions

Workshop Verification & Safety Checklist

Frequently Asked Questions: Bauknecht AL01

Community Verification

Related Bauknecht Refrigerator / Freezer Error Codes

Bauknecht AL01

Symptom / Description

Root Cause

Repair Instructions

Field Actions

Workshop Verification & Safety Checklist

Frequently Asked Questions: Bauknecht AL01

Community Verification

Related Bauknecht Refrigerator / Freezer Error Codes