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Neff • Central Diagnostic Dictionary

195 Verified Codes in Database

Neff Error Codes & Diagnostics

Access our premium database of error codes, common faults, and professional repair solutions for Neff appliances.

Luxury front-loading washing machine in brushed titanium with illuminated dark glass drum

CodeAppliancesFault / DiagnosticsRepair InstructionsAction

E75

Tumble Dryer

NTC Temperature Sensor & Thermistor

Neff N 70 / N 90 Heat Pump Condenser tumble dryer: Ambient temperature thermistor out of range E75; room temperature sensor reads outside safe operating envelope (< 5°C or > 40°C).

On Neff tumble dryers: Dryer located in unheated garage or winter porch (< 5°C), direct sunlight heating chassis (> 40°C), or sensor open circuit.

Ensure ambient room temperature is between 10°C and 35°C for heat pump operation. Measure ambient NTC resistance (~10 kΩ at 25°C). Replace sensor if open. Turn dial to position 6, hold Low Heat/Delicates button, turn dial to position 7, release and turn back to Off.

E89

Tumble Dryer

Electronic Control Board (PCB) & Bus Communications

Neff N 70 / N 90 Heat Pump Condenser tumble dryer: Display UI to power module communication error E89; console display lost serial communication link with base power board.

On Neff tumble dryers: Disconnected or pinched multiconductor ribbon cable, oxidised edge connector contacts, or defective serial bus transceiver.

Remove top lid and front console. Re-seat ribbon cable connectors on both display and power PCBs. Verify 5V DC and 12V DC power lines. Turn dial to position 6, hold Low Heat/Delicates button, turn dial to position 7, release and turn back to Off.

E90

Tumble Dryer

Electronic Control Board (PCB) & Bus Communications

Neff N 70 / N 90 Heat Pump Condenser tumble dryer: Variant coding / configuration error E90; electronic control boards cannot reconcile programmed appliance variant parameters.

On Neff tumble dryers: Replacement PCB installed without model coding, corrupted EEPROM checksum after power surge, or mismatched software versions.

Access service program to input correct variant code matching rating plate (E-Nr). If board cannot retain variant code, install programmed original PCB. Turn dial to position 6, hold Low Heat/Delicates button, turn dial to position 7, release and turn back to Off.

E101

Oven / Microwave

NTC Temperature Sensor & Thermistor

Neff N 50 / N 70 / N 90 Slide&Hide® & CircoTherm® Pyrolytic Oven with ShiftControl: Cavity temperature sensor (PT1000) open circuit E101; main controller loses cavity temperature feedback, heating shuts down.

On Neff ovens: Platinum PT1000 sensor wire snapped inside rear insulation blanket, oxidised terminal pins, or sensor element open circuit.

Disconnect power. Remove rear cover panel. Measure PT1000 resistance across sensor plug (nominal 1000 Ω at 0°C, 1078 Ω at 20°C, 1385 Ω at 100°C). Turn oven off, hold 'i' Info and Clock icons simultaneously on ShiftControl panel for 4 seconds, or cycle mains breaker.

E104

Oven / Microwave

General System & Mechanical Integration

Neff N 50 / N 70 / N 90 Slide&Hide® & CircoTherm® Pyrolytic Oven with ShiftControl: Multi-point core meat temperature probe fault E104; probe socket shorted or temperature sensing channels inconsistent.

On Neff ovens: Grease/moisture ingress into side cavity jack socket, damaged multi-core probe cable, or bent jack plug contacts.

Unplug core probe. Inspect internal cavity jack socket and clean with electrical solvent. Measure resistance between jack plug rings (~10 kΩ at 25°C). Turn oven off, hold 'i' Info and Clock icons simultaneously on ShiftControl panel for 4 seconds, or cycle mains breaker.

E106

Oven / Microwave

Drive Motor, Inverter & Tachometer Sensor

Neff N 50 / N 70 / N 90 Slide&Hide® & CircoTherm® Pyrolytic Oven with ShiftControl: Tangential cooling fan Hall sensor feedback missing E106; cooling blower fails to turn or tachometer feedback absent.

On Neff ovens: Jammed tangential cross-flow blower wheel, open motor winding (~120–160 Ω), or defective Hall sensor board on fan motor.

Disconnect mains. Remove top panel. Ensure cross-flow fan spins smoothly. Measure motor winding resistance (~120–160 Ω). Check 5V DC supply to Hall sensor. Turn oven off, hold 'i' Info and Clock icons simultaneously on ShiftControl panel for 4 seconds, or cycle mains breaker.

E115

Oven / Microwave

NTC Temperature Sensor & Thermistor

Neff N 50 / N 70 / N 90 Slide&Hide® & CircoTherm® Pyrolytic Oven with ShiftControl: Cavity high-limit safety temperature trip E115; oven temperature exceeds maximum safety limit (> 350°C), heating disabled.

On Neff ovens: Welded heating element relay on power PCB keeping elements continuously powered, cooling fan failure during pyrolytic cleaning, or NTC drift.

Allow oven to cool completely. Test power board relays for welded contacts when de-energized. Inspect manual-reset thermal cutout switch on rear chassis. Turn oven off, hold 'i' Info and Clock icons simultaneously on ShiftControl panel for 4 seconds, or cycle mains breaker.

E305

Oven / Microwave

Electronic Control Board (PCB) & Bus Communications

Neff N 50 / N 70 / N 90 Slide&Hide® & CircoTherm® Pyrolytic Oven with ShiftControl: Internal serial bus communication loss E305; display UI console loses data link to base power supply module.

On Neff ovens: Disconnected multiconductor flat ribbon harness, oxidised connector contacts from baking humidity, or missing 12V DC power feed.

Disconnect mains. Re-seat communication ribbon harness firmly between display board and power board. Check +12V DC and +5V DC rails on power supply. Turn oven off, hold 'i' Info and Clock icons simultaneously on ShiftControl panel for 4 seconds, or cycle mains breaker.

E310

Oven / Microwave

Drive Motor, Inverter & Tachometer Sensor

Neff N 50 / N 70 / N 90 Slide&Hide® & CircoTherm® Pyrolytic Oven with ShiftControl: Pyrolytic door lock mechanism microswitch 1 stuck open E310; door lock motor drives but fails to confirm locked position.

On Neff ovens: Worn latch cam lever, broken internal spring in door lock mechanism, or oxidised microswitch contact points.

Disconnect power. Remove top lid to access door lock motor above cavity. Test microswitch 1 continuity when manually actuating cam (< 0.5 Ω). Turn oven off, hold 'i' Info and Clock icons simultaneously on ShiftControl panel for 4 seconds, or cycle mains breaker.

E395

Oven / Microwave

Drive Motor, Inverter & Tachometer Sensor

Neff N 50 / N 70 / N 90 Slide&Hide® & CircoTherm® Pyrolytic Oven with ShiftControl: Pyrolytic door lock motor drive triac short-circuit E395; latch motor continually powered or stalled on mechanical stop.

On Neff ovens: Shorted synchronous motor winding drawing excessive current, or SMD driver triac breakdown on power control module.

Measure pyrolytic lock motor winding resistance (nominal ~1.8–2.2 kΩ; shorted if < 100 Ω). Replace lock motor and repair/replace power PCB. Turn oven off, hold 'i' Info and Clock icons simultaneously on ShiftControl panel for 4 seconds, or cycle mains breaker.

E396

Oven / Microwave

Door Lock Mechanism & Safety Interlock

Neff N 50 / N 70 / N 90 Slide&Hide® & CircoTherm® Pyrolytic Oven with ShiftControl: Pyrolytic door lock mechanism microswitch 2 high contact resistance E396; unlocked position contact signal degraded (> 1 Ω).

On Neff ovens: Carbonized or pitted contacts on microswitch 2, grease ingress into switch housing, or loose harness spade connector.

Access door lock unit on top of cavity. Measure contact resistance across microswitch 2 terminals when closed (must be < 0.5 Ω). Replace microswitch. Turn oven off, hold 'i' Info and Clock icons simultaneously on ShiftControl panel for 4 seconds, or cycle mains breaker.

E0513

Hob / Cooktop

Electronic Control Board (PCB) & Bus Communications

Neff N 70 / N 90 TwistPad® / TwistPad Fire® & FlexInduction hob: Touch slider interface synchronization timeout E0513; capacitive UI fails handshake with master power module.

On Neff hobs: Clock jitter on UI communication line, damaged noise suppression filter beads, or software revision mismatch between boards.

Check wiring loom between touch slider and power module for continuity and electromagnetic shielding ground integrity. Reflash or replace UI board. Remove TwistPad magnetic dial, clean glass surface, replace TwistPad on red illuminated ring, hold Key symbol for 4 seconds.

E845

Oven / Microwave

Water Level Pressure Switch & Air Dome

Neff N 50 / N 70 / N 90 Slide&Hide® & CircoTherm® Pyrolytic Oven with ShiftControl: Combi-steam boiler water level optical sensor calibration failure E845; steam generator cannot verify boiler water level.

On Neff ovens: Heavy lime scale coating optical refraction prism inside steam generator, defective optocoupler, or empty water reservoir tank.

Run automatic oven descaling program with recommended descaling liquid. Remove boiler unit and clean optical glass prism. Verify water pump flow. Turn oven off, hold 'i' Info and Clock icons simultaneously on ShiftControl panel for 4 seconds, or cycle mains breaker.

E3000

Dishwasher

Electronic Control Board (PCB) & Bus Communications

Neff N 50 / N 70 / N 90 Chef 70° & DoorOpen Assist dishwasher: Home Connect Wi-Fi communication bus timeout E3000; network communication module fails to handshake with main control board.

On Neff dishwashers: Firmware update corruption on Wi-Fi module, intermittent ribbon cable connection between fascia display and main PCB, or failed module.

Power cycle appliance at breaker for 2 minutes. Inspect internal ribbon harness linking user interface to power board. Re-pair Home Connect via app. Press and hold Start button for 3 seconds until '0:01' is displayed, let appliance evacuate sump completely, then switch off.

E3100

Dishwasher

NTC Temperature Sensor & Thermistor

Neff N 50 / N 70 / N 90 Chef 70° & DoorOpen Assist dishwasher: Zeolith container NTC sensor open circuit E3100; electronic controller cannot monitor zeolite drying bed temperature.

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

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. Press and hold Start button for 3 seconds until '0:01' is displayed, let appliance evacuate sump completely, then switch off.

E3200

Dishwasher

Heating Element, Thermostat & Safety Fuse

Neff N 50 / N 70 / N 90 Chef 70° & DoorOpen Assist dishwasher: Zeolith regeneration heater auxiliary thermostat open E3200; secondary safety limit switch tripped on drying container.

On Neff dishwashers: Air circulation blower failed while Zeolith heater was energized, causing thermal runaway in the mineral container.

Inspect Zeolith blower motor and verify free rotation. Test continuity of auxiliary thermal thermostat (< 0.5 Ω closed; open if tripped). Press and hold Start button for 3 seconds until '0:01' is displayed, let appliance evacuate sump completely, then switch off.

E5116

Oven / Microwave

Heating Element, Thermostat & Safety Fuse

Neff N 50 / N 70 / N 90 Slide&Hide® & CircoTherm® Pyrolytic Oven with ShiftControl: Combi-microwave inverter magnetron heater open circuit E5116; magnetron filament open or high-voltage inverter output missing.

On Neff ovens: Burned-out filament in 2M261 magnetron tube (nominal < 0.2 Ω), blown high-voltage fuse, or defective resonant inverter board.

DANGER: Disconnect mains and discharge high-voltage capacitor. Measure magnetron filament resistance across terminals (< 0.2 Ω; open if > 1 Ω). Turn oven off, hold 'i' Info and Clock icons simultaneously on ShiftControl panel for 4 seconds, or cycle mains breaker.

E5122

Oven / Microwave

General System & Mechanical Integration

Pyrolytic (self-clean) cycle fails or stops unexpectedly

An electronics or sensor fault occurred during the high-temperature cleaning process.

Allow the oven to cool completely. Turn the power off at the circuit breaker for 30 minutes to perform a hard reset. If the error reappears on the next attempt, book a service call.

E6101

Dishwasher

Drainage System & Drain Pump

Neff N 50 / N 70 / N 90 Chef 70° & DoorOpen Assist dishwasher: Drain safety monitoring level anomaly E6101; electronic controller detects incorrect pressure signal during water evacuation.

On Neff dishwashers: Clogged pressure chamber air hose in sump, non-return flap stuck partially open, or defective BLDC drain pump tachometer feedback.

Clean sump pressure transducer chamber using warm water syringe. Inspect rubber non-return flap. Check 3-phase resistance of BLDC drain motor (88 Ω). Press and hold Start button for 3 seconds until '0:01' is displayed, let appliance evacuate sump completely, then switch off.

E6900

Dishwasher

Drive Motor, Inverter & Tachometer Sensor

Neff N 50 / N 70 / N 90 Chef 70° & DoorOpen Assist dishwasher: Main inverter power module hardware fault E6900; internal DC bus voltage regulator or gate driver IC failure.

On Neff dishwashers: Blown switch-mode power supply (SMPS) controller chip, failed DC bus filter capacitors, or shorted inverter IGBT bridge.

Disconnect mains power. Remove and inspect power module located in lower base. Check for scorched components or ruptured ICs. Replace power module. Press and hold Start button for 3 seconds until '0:01' is displayed, let appliance evacuate sump completely, then switch off.

E7015

Hob / Cooktop

Electronic Control Board (PCB) & Bus Communications

Neff N 70 / N 90 TwistPad® / TwistPad Fire® & FlexInduction hob: FlexInduction zone bridging sensor array communication error E7015; Lin-bus packet drop across induction coil nodes.

On Neff hobs: Interrupted Lin-bus data harness between left and right coil arrays, defective coil telemetry sensor, or EMI interference.

Disconnect power. Verify 12V supply and single-wire Lin-bus continuity (< 1 Ω) between all flex coil satellite modules. Replace faulty satellite. Remove TwistPad magnetic dial, clean glass surface, replace TwistPad on red illuminated ring, hold Key symbol for 4 seconds.

E8207

Hob / Cooktop

Heating Element, Thermostat & Safety Fuse

Neff N 70 / N 90 TwistPad® / TwistPad Fire® & FlexInduction hob: Induction inverter IGBT desaturation fault E8207; power transistor over-current trip triggered within microseconds.

On Neff hobs: Short circuit inside induction heating coil windings, damaged IGBT driver gate resistor, or collector-emitter breakdown.

Isolate hob from mains. Measure coil winding resistance (~0.3–0.6 Ω, never 0.0 Ω). Test IGBT gate resistors (nominal 10–22 Ω). Replace power inverter board. Remove TwistPad magnetic dial, clean glass surface, replace TwistPad on red illuminated ring, hold Key symbol for 4 seconds.

E9001

Dishwasher

Drive Motor, Inverter & Tachometer Sensor

Neff N 50 / N 70 / N 90 Chef 70° & DoorOpen Assist dishwasher: Low voltage DC power rail mismatch E9001; internal secondary DC voltage rails (+12V / +5V) outside allowable regulation window.

On Neff dishwashers: Dried electrolytic filter capacitors in low-voltage section, overloaded 5V sensor rail, or shorted external Hall sensor.

Disconnect sensor connectors one by one to isolate shorted rail. Measure +5V DC and +12V DC test points on PCB. Replace defective sensor or power PCB. Press and hold Start button for 3 seconds until '0:01' is displayed, let appliance evacuate sump completely, then switch off.

E9210

Dishwasher

General System & Mechanical Integration

Neff N 50 / N 70 / N 90 Chef 70° & DoorOpen Assist dishwasher: Water hardness ion-exchanger optical sensor anomaly E9210; salt detection photodiode fails to calibrate transparency.

On Neff dishwashers: Air bubbles or salt residue crust covering optical sensor lenses on ion exchange chamber, or failed IR emitter diode.

Stir salt container with wooden spoon to dislodge salt bridges and air bubbles. Run a rinse program to refresh brine solution. Clean optical prism. Press and hold Start button for 3 seconds until '0:01' is displayed, let appliance evacuate sump completely, then switch off.

Er1

Oven / Microwave

NTC Temperature Sensor & Thermistor

Neff N 50 / N 70 / N 90 Slide&Hide® & CircoTherm® Pyrolytic Oven with ShiftControl: Cavity PT1000 thermocouple sensor disconnected / open circuit Er1; heating program aborted immediately on safety interlock.

On Neff ovens: Sensor harness unplugged from rear of cavity, damaged silicone wire insulation, or open ceramic sensor core (resistance reads infinite).

Check sensor plug behind rear backplate. Measure PT1000 resistance (nominal 1000 Ω at 0°C, 1078 Ω at 20°C). Replace PT1000 sensor if reading is infinite. Turn oven off, hold 'i' Info and Clock icons simultaneously on ShiftControl panel for 4 seconds, or cycle mains breaker.

Er2

Oven / Microwave

General System & Mechanical Integration

Neff N 50 / N 70 / N 90 Slide&Hide® & CircoTherm® Pyrolytic Oven with ShiftControl: Mains connection frequency / phase wiring inversion Er2; power input phase or neutral connection incorrect.

On Neff ovens: Neutral and phase wire swapped at terminal block, missing copper jumper bridge between terminals 1-2-3 (230V connection), or loose neutral.

Verify wiring at rear terminal block with multimeter (L to N must be 230V AC; L to PE must be 230V AC; N to PE must be < 5V AC). Install copper bridges. Turn oven off, hold 'i' Info and Clock icons simultaneously on ShiftControl panel for 4 seconds, or cycle mains breaker.

Er4

Oven / Microwave

Door Lock Mechanism & Safety Interlock

Neff N 50 / N 70 / N 90 Slide&Hide® & CircoTherm® Pyrolytic Oven with ShiftControl: Electronic module compartment overheating Er4; thermal sensor on control board detects ambient temperature > 80°C.

On Neff ovens: Tangential cooling fan not operating, blocked ventilation slots above oven door, or insufficient cabinetry air flue gap (< 45 mm).

Allow oven to cool down with door open. Verify tangential cooling fan runs when power is on. Ensure cabinetry has unobstructed rear ventilation chimney. Turn oven off, hold 'i' Info and Clock icons simultaneously on ShiftControl panel for 4 seconds, or cycle mains breaker.

Er6

Oven / Microwave

Drive Motor, Inverter & Tachometer Sensor

Neff N 50 / N 70 / N 90 Slide&Hide® & CircoTherm® Pyrolytic Oven with ShiftControl: Pyrolytic door lock mechanism fault Er6; lock motor fails to lock or unlock door latch within 30-second timeout.

On Neff ovens: Stripped drive gear inside lock motor, damaged microswitch contact lever, or door strike hook misaligned.

Inspect door latch assembly above cavity. Test 230V AC drive motor winding (~1.8–2.2 kΩ). Manually rotate cam to test microswitch continuity (< 0.5 Ω). Turn oven off, hold 'i' Info and Clock icons simultaneously on ShiftControl panel for 4 seconds, or cycle mains breaker.

Er8

Oven / Microwave

Drive Motor, Inverter & Tachometer Sensor

Neff N 50 / N 70 / N 90 Slide&Hide® & CircoTherm® Pyrolytic Oven with ShiftControl: Combi-microwave generator circuit failure Er8; high-voltage generation absent or microwave inverter trips on safety shutoff.

On Neff ovens: Defective high-voltage inverter PCB, shorted magnetron antenna dome, open high-voltage diode, or blown internal HV fuse.

DANGER HIGH VOLTAGE: Isolate power and discharge HV capacitor. Measure magnetron filament (< 0.2 Ω) and check for insulation to chassis (> 50 MΩ). Turn oven off, hold 'i' Info and Clock icons simultaneously on ShiftControl panel for 4 seconds, or cycle mains breaker.

F0

Hob / Cooktop

Electronic Control Board (PCB) & Bus Communications

Neff N 70 / N 90 TwistPad® / TwistPad Fire® & FlexInduction hob: Internal hardware watchdog error F0; central microprocessor on power module triggers safety system shutdown.

On Neff hobs: Clock oscillator drift, internal logic corruption on MCU, or unstable secondary DC voltage supply.

Perform hard power reset for 2 minutes. If F0 returns upon powering on, replace defective main induction power module. Remove TwistPad magnetic dial, clean glass surface, replace TwistPad on red illuminated ring, hold Key symbol for 4 seconds.

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Neff — Complete Error Code Catalog

158 Verified Error Codes

Server-side index of all verified manufacturer error codes for technicians and automated crawlers.

Dishwasher38

E01 E02 E03 E04 E05 E06 E07 E08 E09 E10 E11 E12 E13 E14 E15 E16 E17 E18 E19 E20 E21 E22 E23 E24 E25 E26 E27 E28 E29 E30 E31 E3000 E3100 E3200 E6101 E6900 E9001 E9210

Washing Machine48

E34 E35 E37 E38 E42 E43 E44 E47 E48 E49 E50 E57 E59 E60 E61 E67 F16 F17 F18 F19 F20 F21 F22 F23 F25 F26 F27 F28 F29 F31 F34 F35 F36 F37 F38 F42 F43 F44 F47 F48 F49 F50 F57 F59 F60 F61 F63 F67

Tumble Dryer16

E32 E36 E51 E52 E53 E54 E55 E56 E63 E71 E72 E73 E74 E75 E89 E90

Oven / Microwave19

E005 E011 E101 E104 E106 E115 E305 E310 E395 E396 E845 E5116 E5122 Er1 Er2 Er4 Er6 Er8 Key Symbol

Hob / Cooktop36

d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 E0513 E7015 E8207 F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 U1 U2 U3

Refrigerator / Freezer1

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