OEM VERIFIED BENCH

OFFICIAL FAULT CODEE3100

Bosch // OFFICIAL DIAGNOSTIC BENCH

Bosch E3100

DishwasherNTC Temperature Sensor & Thermistor

Dishwasher

Other Brands Sharing Code E3100:SiemensE3100 NeffE3100 GaggenauE3100

Symptom / Description

FAULT

Bosch Serie 4 / Serie 6 / Serie 8 ActiveWater & PerfectDry Zeolith: Zeolith container NTC sensor open circuit E3100; electronic controller cannot monitor zeolite drying bed temperature.

TELEMETRY // LIVESIG: FAULT_DETECTED

Root Cause

ROOT CAUSE

On Bosch dishwashers: Broken lead wire to Zeolith container NTC sensor, corrosion on sensor connector terminals, or defective thermistor pellet.

CIRCUIT // SUBSYSTEMLOGIC: ROOT_ISOLATED

Repair Instructions

UNLOCKED

1Measure Zeolith NTC sensor resistance across terminals (nominal ~10 kΩ at 25°C). Inspect wiring harness beneath right tub skirt. Replace NTC if open circuit. Hold Start/Reset key for 3 seconds until '0:01' appears, close door, allow 60s for drain completion, then power off.

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 Bosch 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 & ThermistorDishwasher

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: Bosch E3100

FAQ TREE

What does error code E3100 mean on a Bosch appliance?

Bosch error code E3100 indicates: Bosch Serie 4 / Serie 6 / Serie 8 ActiveWater & PerfectDry Zeolith: Zeolith container NTC sensor open circuit E3100; electronic controller cannot monitor zeolite drying bed temperature..

What is the root cause of Bosch error code E3100?

The primary root cause for Bosch code E3100 is: On Bosch dishwashers: Broken lead wire to Zeolith container NTC sensor, corrosion on sensor connector terminals, or defective thermistor pellet..

How do I fix or resolve Bosch error code E3100?

To resolve error code E3100: Measure Zeolith NTC sensor resistance across terminals (nominal ~10 kΩ at 25°C). Inspect wiring harness beneath right tub skirt. Replace NTC if open circuit. Hold Start/Reset key for 3 seconds until '0:01' appears, close door, allow 60s for drain completion, then power off.

Is it safe to clear Bosch error code E3100 by resetting power?

Resetting power (unplugging for 5–10 minutes) clears temporary memory errors. However, if Bosch code E3100 persists, the physical component causing On Bosch dishwashers: Broken lead wire to Zeolith container NTC sensor, corrosion on sensor connector terminals, or defective thermistor pellet. must be inspected or replaced.

How do I test electrical resistance for Bosch code E3100 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 Bosch code E3100?

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.

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OEM VERIFIED BENCH

OFFICIAL FAULT CODEE3100

Bosch // OFFICIAL DIAGNOSTIC BENCH

Bosch E3100

DishwasherNTC Temperature Sensor & Thermistor

Dishwasher

Other Brands Sharing Code E3100:SiemensE3100 NeffE3100 GaggenauE3100

Symptom / Description

FAULT

Bosch Serie 4 / Serie 6 / Serie 8 ActiveWater & PerfectDry Zeolith: Zeolith container NTC sensor open circuit E3100; electronic controller cannot monitor zeolite drying bed temperature.

TELEMETRY // LIVESIG: FAULT_DETECTED

Root Cause

ROOT CAUSE

On Bosch dishwashers: Broken lead wire to Zeolith container NTC sensor, corrosion on sensor connector terminals, or defective thermistor pellet.

CIRCUIT // SUBSYSTEMLOGIC: ROOT_ISOLATED

Repair Instructions

UNLOCKED

AI WORKSHOP PROTOCOL ENGINE

Direct extraction from OEM factory manuals & wiring schematics

Field Actions

DISPATCH

Need Help? Call a Certified Technician Worldwide Bosch 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 & ThermistorDishwasher

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: Bosch E3100

FAQ TREE

What does error code E3100 mean on a Bosch appliance?

What is the root cause of Bosch error code E3100?

The primary root cause for Bosch code E3100 is: On Bosch dishwashers: Broken lead wire to Zeolith container NTC sensor, corrosion on sensor connector terminals, or defective thermistor pellet..

How do I fix or resolve Bosch error code E3100?

Is it safe to clear Bosch error code E3100 by resetting power?

How do I test electrical resistance for Bosch code E3100 using a multimeter?

What safety protocol must be followed before servicing Bosch code E3100?

Community Verification

COMMUNITY

Did this solution resolve the issue?

Bosch E3100

Symptom / Description

Root Cause

Repair Instructions

Field Actions

Workshop Verification & Safety Checklist

Frequently Asked Questions: Bosch E3100

Community Verification

Related Bosch Dishwasher Error Codes

Bosch E3100

Symptom / Description

Root Cause

Repair Instructions

Field Actions

Workshop Verification & Safety Checklist

Frequently Asked Questions: Bosch E3100

Community Verification

Related Bosch Dishwasher Error Codes