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OEM VERIFIED BENCH
OFFICIAL FAULT CODEE3
AEG
AEG // OFFICIAL DIAGNOSTIC BENCH

AEG E3

HobGeneral System & Mechanical Integration
Integrated luxury convection oven and induction cooktop with illuminated touch controls
Hob
Other Brands Sharing Code E3:BoschE3SamsungE3LGE3WhirlpoolE3ElectroluxE3BekoE3HaierE3CandyE3NeffE3V-ZugE3

Symptom / Description

FAULT

AEG MaxiSense / TotalFlex Induction Cooktop: Mains over-voltage detected E3; supply line voltage exceeds safe operating ceiling (> 275V AC), tripping safety shutdown.

TELEMETRY // LIVESIG: FAULT_DETECTED

Root Cause

ROOT CAUSE

On AEG (AEG MaxiSense / TotalFlex Induction Cooktop) models: Accidental 400V 2-phase connection due to lost or disconnected neutral wire in terminal connection block, or grid lightning power surge.

CIRCUIT // SUBSYSTEMLOGIC: ROOT_ISOLATED

Repair Instructions

UNLOCKED
1Immediately disconnect hob. Check junction box with multimeter across L1-N and L2-N (must read ~230V AC; if ~400V, fix floating neutral wire). Rotate selector to 12 o'clock (OFF), press and hold Start/Pause and Exit simultaneously for 4 seconds until the diagnostic LED sequence resets error memory.
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 TechnicianWorldwide AEG 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 PROTOCOLGeneral System & Mechanical IntegrationHob / Cooktop
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)
Earth Ground Continuity: <0.1Ω (Chassis metal to mains plug earth pin). Mains: 230V AC ±10%.NOMINAL
0 Ω (SHORT)CALIBRATED BAND∞ OL (OPEN)
▲ NOMINAL OPERATING WINDOW
Target Component:Protective Earth Bonding & Incoming Mains Voltage
Test Pins & Connections
PROBE (+)
PROBE (-)
Between unpainted chassis metal and mains plug earth pin; incoming terminal block L-N
Tolerance & Diagnostic CriteriaProtective conductor impedance must remain <0.1Ω. Line voltage 207V–253V AC under load.
1. Pre-Intervention Electrical Safety Protocols
  • !Electrical Safety Protocol: Disconnect electrical mains plug or trip dedicated circuit breaker before servicing.
  • !Wait at least 5 minutes before opening any casing panels to reset volatile microcontrollers and bleed residual charges.
  • !Operate in a dry workshop environment; never bypass internal electrical thermal cutouts.
3. Preliminary Mechanical & Visual Checks
  • Check appliance leveling with a spirit level; adjust threaded leveling feet for perfect stability.
  • Check door and lid perimeter rubber gaskets for tears, gaps, or foreign object obstruction.
  • Inspect shock absorbers, suspension springs, and rubber dampers for mechanical fatigue or excessive play.
Perform these diagnostic steps before triggering AI Deep Search or replacing boards.Certified Workshop Routine

Frequently Asked Questions: AEG E3

FAQ TREE
What does error code E3 mean on a AEG appliance?

AEG error code E3 indicates: AEG MaxiSense / TotalFlex Induction Cooktop: Mains over-voltage detected E3; supply line voltage exceeds safe operating ceiling (> 275V AC), tripping safety shutdown..

What is the root cause of AEG error code E3?

The primary root cause for AEG code E3 is: On AEG (AEG MaxiSense / TotalFlex Induction Cooktop) models: Accidental 400V 2-phase connection due to lost or disconnected neutral wire in terminal connection block, or grid lightning power surge..

How do I fix or resolve AEG error code E3?

To resolve error code E3: Immediately disconnect hob. Check junction box with multimeter across L1-N and L2-N (must read ~230V AC; if ~400V, fix floating neutral wire). Rotate selector to 12 o'clock (OFF), press and hold Start/Pause and Exit simultaneously for 4 seconds until the diagnostic LED sequence resets error memory.

Is it safe to clear AEG error code E3 by resetting power?

Resetting power (unplugging for 5–10 minutes) clears temporary memory errors. However, if AEG code E3 persists, the physical component causing On AEG (AEG MaxiSense / TotalFlex Induction Cooktop) models: Accidental 400V 2-phase connection due to lost or disconnected neutral wire in terminal connection block, or grid lightning power surge. must be inspected or replaced.

How do I test electrical resistance for AEG code E3 using a multimeter?

Set a digital multimeter to ohms (Ω). Disconnect power and test Protective Earth Bonding & Incoming Mains Voltage across Between unpainted chassis metal and mains plug earth pin; incoming terminal block L-N. Expected nominal reading is Earth Ground Continuity: <0.1Ω (Chassis metal to mains plug earth pin). Mains: 230V AC ±10%.. Tolerance: Protective conductor impedance must remain <0.1Ω. Line voltage 207V–253V AC under load..

What safety protocol must be followed before servicing AEG code E3?

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

Did this solution resolve the issue?

SEMANTIC KNOWLEDGE GRAPH // AEG

Related AEG Hob / Cooktop Error Codes

Diagnostic Link Mesh14 OEM Cross-References

Cross-referenced diagnostic codes for technicians inspecting similar component subsystems.

E4General System & Mechanical Integration
AEG MaxiSense / TotalFlex Induction Cooktop: Mains under-voltage detected E4; electrical sup...
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E5NTC Temperature Sensor & Thermistor
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E6Drive Motor, Inverter & Tachometer Sensor
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E7Drive Motor, Inverter & Tachometer Sensor
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E8Electronic Control Board (PCB) & Bus Communications
AEG MaxiSense / TotalFlex Induction Cooktop: Power supply line communication missing E8; pow...
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E9Door Lock Mechanism & Safety Interlock
AEG MaxiSense / TotalFlex Induction Cooktop: Touch control configuration error E9; interface...
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EANTC Temperature Sensor & Thermistor
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FDrive Motor, Inverter & Tachometer Sensor
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E0Electronic Control Board (PCB) & Bus Communications
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E1Water Level Pressure Switch & Air Dome
AEG MaxiSense / TotalFlex Induction Cooktop: Touch control surface blocked E1; continuous to...
Inspect Protocol
E2NTC Temperature Sensor & Thermistor
AEG MaxiSense / TotalFlex Induction Cooktop: Induction coil overheating alarm E2; induction ...
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F1Refrigeration Compressor, Defrost Heater & PTC Relay
AEG Santo / CustomFlex / TwinTech No-Frost: Fresh food compartment air sensor failure F1; re...
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F2Refrigeration Compressor, Defrost Heater & PTC Relay
AEG Santo / CustomFlex / TwinTech No-Frost: Evaporator coil sensor failure F2; automatic def...
Inspect Protocol
F3Refrigeration Compressor, Defrost Heater & PTC Relay
AEG Santo / CustomFlex / TwinTech No-Frost: Ambient room temperature sensor error F3; extern...
Inspect Protocol
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