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De Dietrich • Central Diagnostic Dictionary

130 Verified Codes in Database

De Dietrich Error Codes & Diagnostics

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

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

CodeAppliancesFault / DiagnosticsRepair InstructionsAction

d17

Tumble Dryer

General System & Mechanical Integration

De Dietrich Prestige Heat Pump & Condensation Tumble Dryer: Top-loading dryer drum positioning fault d17; drum doors fail to orient toward top opening when cycle completes.

On De Dietrich top-loading dryers utilizing Prestige dual-stage heat pump compressor, active conductivity fabric sensing, and low-temperature wool cycle logic: Dislodged magnetic sensor pill on drum wheel, defective reed ILS sensor on chassis, or loose cable.

Inspect drum flank for positioning magnet. Pass a test magnet over the reed switch while testing continuity with a multimeter. Touch the Power pad off, press and hold Extra Dry and Start sensors for 6 seconds until the melody sounds, then reboot the appliance.

d17

Washing Machine

Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige / DWF Inverter Washing Machine: Posistop top-loader drum positioning error d17; drum doors fail to halt facing upward at cycle finish.

On De Dietrich top-loading washing machines featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Missing or dislodged drum magnet, defective reed sensor (ILS) on tub outer rim, or loose sensor harness.

Inspect drum periphery for presence of positioning magnet. Test reed switch closure with multimeter while passing a magnet over sensor tip. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

d18

Tumble Dryer

General System & Mechanical Integration

De Dietrich Prestige Heat Pump & Condensation Tumble Dryer: Maximum drying cycle timeout exceeded d18; machine aborts after running for over 180 minutes without reaching target dry state.

On De Dietrich tumble dryers utilizing Prestige dual-stage heat pump compressor, active conductivity fabric sensing, and low-temperature wool cycle logic: Wet overloaded laundry from an unspun washer cycle (<800 RPM), severely blocked condenser, or weak heat pump performance.

Spin clothes in washing machine at 1200+ RPM prior to drying. Wash condenser core thoroughly. Reduce total laundry weight in drum. Touch the Power pad off, press and hold Extra Dry and Start sensors for 6 seconds until the melody sounds, then reboot the appliance.

d18

Washing Machine

Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige / DWF Inverter Washing Machine: Mains supply frequency out of bounds d18; line frequency deviates outside 47 Hz – 63 Hz operational tolerances.

On De Dietrich washing machines featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Unstable generator or inverter power source, dirty mains electrical noise, or degraded mains zero-cross detection circuit on PCB.

Verify mains supply frequency with a certified digital multimeter (nominal 50 Hz ±1 Hz). If grid power is clean, replace control module. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

d19

Tumble Dryer

Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige Heat Pump & Condensation Tumble Dryer: Electrical mains frequency error d19; line frequency fluctuates outside the valid 50 Hz / 60 Hz operating window.

On De Dietrich tumble dryers utilizing Prestige dual-stage heat pump compressor, active conductivity fabric sensing, and low-temperature wool cycle logic: Unregulated emergency generator or inverter supply, heavy industrial grid noise, or failed zero-cross circuit on PCB.

Measure supply frequency at wall outlet with a digital multimeter (must be 50 Hz ±1 Hz). If grid power is stable, replace control module. Touch the Power pad off, press and hold Extra Dry and Start sensors for 6 seconds until the melody sounds, then reboot the appliance.

d19

Washing Machine

Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige / DWF Inverter Washing Machine: Inverter module heatsink overtemperature d19; motor drive heat sink temperature exceeds 95°C during active wash cycle.

On De Dietrich washing machines featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Heavy sustained laundry overloading, blocked internal cabinet ventilation slots, or thermal paste dry-out under IPM.

Allow appliance to cool down for 45 minutes. Reduce laundry load. Clear dust from cabinet ventilation louvers. Renew thermal paste if accessible. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

d20

Tumble Dryer

Electronic Control Board (PCB) & Bus Communications

De Dietrich Prestige Heat Pump & Condensation Tumble Dryer: User interface display communication timeout d20; display panel loses serial synchronization with main power controller.

On De Dietrich tumble dryers utilizing Prestige dual-stage heat pump compressor, active conductivity fabric sensing, and low-temperature wool cycle logic: Loosened edge connector on display board, moisture oxidation on wiring pins, or corrupted display microcontroller.

Inspect wiring harness connecting display to lower chassis power board. Clean edge connectors with electrical contact spray. Measure 5V DC line. Touch the Power pad off, press and hold Extra Dry and Start sensors for 6 seconds until the melody sounds, then reboot the appliance.

d20

Washing Machine

Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige / DWF Inverter Washing Machine: Water distributor stepper motor fault d20; water stream cannot be directed to the selected additive compartment.

On De Dietrich washing machines featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Jammed distributor nozzle arm, stripped nylon reduction gear, or open stepper motor phase winding (~150–250 Ω).

Inspect top distributor nozzle mechanism under cover. Clear lime build-up. Measure stepper motor phase resistances (~150–250 Ω per phase). Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

d21

Washing Machine

Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige / DWF Inverter Washing Machine: Display to power board communication loss d21; control panel lights flash or display is completely blank while machine halts.

On De Dietrich washing machines featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Disconnected or pinched multi-core communication cable, oxidized edge terminals, or damaged low-voltage DC power supply.

Check wiring harness continuity between user interface and power board. Measure 5V DC and 12V DC test points on control board. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

d22

Washing Machine

Heating Element, Thermostat & Safety Fuse

De Dietrich Prestige / DWF Inverter Washing Machine: Washer-dryer drying heating circuit fault d22; air heating duct fails to reach target temperature during drying cycle.

On De Dietrich washer-dryers featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Open drying heating element bank (~35–45 Ω), tripped manual reset high-limit Klixon, or stuck drying relay.

Press manual reset button on top of drying duct Klixon. Measure drying heating element resistance (~35–45 Ω). Check circuit continuity. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

d23

Washing Machine

NTC Temperature Sensor & Thermistor

De Dietrich Prestige / DWF Inverter Washing Machine: Condenser drying NTC thermistor fault d23; temperature sensing on the condensation duct fails verification.

On De Dietrich washer-dryers featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Open or shorted condenser NTC thermistor probe (~20 kΩ at 20°C, ~5 kΩ at 60°C), or moisture ingress in harness plug.

Disconnect sensor plug on condensation duct. Measure resistance (~20 kΩ at 20°C). Replace NTC sensor probe if reading is open or zero ohms. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

d24

Washing Machine

Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige / DWF Inverter Washing Machine: Washer-dryer ventilation fan failure d24; process air blower fails to spin during drying phase.

On De Dietrich washer-dryers featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Heavy lint accumulation seizing the fan rotor, degraded motor winding (~120–180 Ω), or triac drive failure on PCB.

Dismantle fan volute and clean lint buildup from impeller. Measure fan motor winding resistance (~120–180 Ω). Verify 230V AC arrival on run. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

d25

Washing Machine

Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige / DWF Inverter Washing Machine: Repetitive unbalance abort d25; machine terminates program before final spin after 15 unsuccessful redistribution attempts.

On De Dietrich washing machines featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Heavy waterlogged single garment, broken internal tub shock absorber, or unlevel appliance installation feet.

Redistribute garments manually and re-run spin cycle. Check machine leveling with a spirit level. Inspect friction shock absorbers. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

d26

Washing Machine

Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige / DWF Inverter Washing Machine: BLDC motor inverter overcurrent fault d26; peak motor phase current exceeds safe hardware protection threshold.

On De Dietrich washing machines featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Mechanical drum obstruction (foreign object between tub and drum), shorted motor stator winding, or failed IGBT bridge.

Rotate drum by hand to confirm free spinning. Measure resistance across all 3 motor phases (nominal ~5–12 Ω balanced). Replace inverter PCB if shorted. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

d27

Washing Machine

Water Level Pressure Switch & Air Dome

De Dietrich Prestige / DWF Inverter Washing Machine: Door unlock timeout at cycle completion d27; door remains securely locked after wash program finishes and drum stops.

On De Dietrich washing machines featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Residual water detected by pressure switch, slow-cooling PTC bi-metal pill, or mechanical latch binding against rubber seal.

Wait 3 minutes for PTC to cool. Push firmly on door panel while pulling handle to relieve latch pressure. Inspect drain filter for water buildup. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

E1

Hob / Cooktop

Electronic Control Board (PCB) & Bus Communications

De Dietrich Piano Zoneless / Horizone / DPI Induction Cooktop: Touch control panel link failure E1; induction zones flash 'E1' and power sliders do not respond to fingertip touch.

On De Dietrich cooktops utilizing Piano full-surface zoneless induction matrix, 16-level power modulation, and Boil function boilover prevention: Loosened ribbon cable connecting capacitive glass touch board to lower induction generator power module.

Disconnect mains breaker. Lift cooktop, unclip touch board ribbon, clean gold contacts with isopropyl alcohol, and reseat firmly. Clear the ceramic surface, turn off the dedicated breaker for 60 seconds, restore supply and touch the Key Lock sensor for 5 seconds.

E2

Hob / Cooktop

NTC Temperature Sensor & Thermistor

De Dietrich Piano Zoneless / Horizone / DPI Induction Cooktop: Induction coil temperature sensor fault E2; zone display flashes 'E2' and cuts power to prevent glass overheating.

On De Dietrich cooktops utilizing Piano full-surface zoneless induction matrix, 16-level power modulation, and Boil function boilover prevention: Open or shorted spring-loaded center coil NTC thermistor (~100 kΩ at 25°C), or detached silicone thermal boot.

Access coil assembly beneath glass. Measure coil center NTC sensor resistance (~100 kΩ at 25°C, dropping to ~10 kΩ at 80°C). Replace sensor if open. Clear the ceramic surface, turn off the dedicated breaker for 60 seconds, restore supply and touch the Key Lock sensor for 5 seconds.

E3

Hob / Cooktop

Electronic Control Board (PCB) & Bus Communications

De Dietrich Piano Zoneless / Horizone / DPI Induction Cooktop: Mains overvoltage protection trip E3; cooktop disables high-power induction generators when voltage exceeds 265 V RMS.

On De Dietrich cooktops utilizing Piano full-surface zoneless induction matrix, 16-level power modulation, and Boil function boilover prevention: Neutral wire floating or loose in electrical junction box (causing 400V across phases), or utility grid surge.

Measure phase-to-neutral voltage at terminal block with a certified digital multimeter (nominal 230V AC ±10%). Tighten neutral screw. Clear the ceramic surface, turn off the dedicated breaker for 60 seconds, restore supply and touch the Key Lock sensor for 5 seconds.

E4

Hob / Cooktop

Electronic Control Board (PCB) & Bus Communications

De Dietrich Piano Zoneless / Horizone / DPI Induction Cooktop: Mains undervoltage protection trip E4; cooktop shuts down zones because electrical line voltage drops below 180 V RMS.

On De Dietrich cooktops utilizing Piano full-surface zoneless induction matrix, 16-level power modulation, and Boil function boilover prevention: Heavy line sagging from undersized installation wiring, high resistance loose terminal connection, or power grid brownout.

Verify electrical line voltage under load (minimum 207V AC). Ensure dedicated 32A 6mm² or two-phase 16A 2.5mm² wiring is installed. Clear the ceramic surface, turn off the dedicated breaker for 60 seconds, restore supply and touch the Key Lock sensor for 5 seconds.

E5

Hob / Cooktop

Electronic Control Board (PCB) & Bus Communications

De Dietrich Piano Zoneless / Horizone / DPI Induction Cooktop: Power generator heatsink overtemperature E5; cooktop throttles or halts cooking because aluminum heatsink exceeds 95°C.

On De Dietrich cooktops utilizing Piano full-surface zoneless induction matrix, 16-level power modulation, and Boil function boilover prevention: Blocked intake vents below cooktop (cutlery tray too close), non-spinning cooling fan, or dried thermal paste under IGBTs.

Allow cooktop to cool 30 minutes. Clear 20mm air intake gap under cabinet. Verify brushless cooling fan spins freely when powered. Clear the ceramic surface, turn off the dedicated breaker for 60 seconds, restore supply and touch the Key Lock sensor for 5 seconds.

E6

Hob / Cooktop

Drive Motor, Inverter & Tachometer Sensor

De Dietrich Piano Zoneless / Horizone / DPI Induction Cooktop: Induction power board inverter stage failure E6; breaker trips or error E6 displays when attempting to energize zones.

On De Dietrich cooktops utilizing Piano full-surface zoneless induction matrix, 16-level power modulation, and Boil function boilover prevention: Short-circuited IGBT power transistor pair, cracked resonant snubber capacitor, or blown onboard printed trace fuse.

Isolate cooktop. Open chassis and measure collector-to-emitter resistance on all IGBT transistors (short = 0 Ω). Replace damaged generator module. Clear the ceramic surface, turn off the dedicated breaker for 60 seconds, restore supply and touch the Key Lock sensor for 5 seconds.

E7

Hob / Cooktop

Drive Motor, Inverter & Tachometer Sensor

De Dietrich Piano Zoneless / Horizone / DPI Induction Cooktop: Electronics cooling fan motor failure E7; cooktop detects stalled or disconnected fan motor during boot diagnostics.

On De Dietrich cooktops utilizing Piano full-surface zoneless induction matrix, 16-level power modulation, and Boil function boilover prevention: Tangled power cable obstructing fan blades, disconnected 12V DC fan connector, or burned fan motor IC.

Check fan blades for manual freedom of movement. Measure 12V DC across fan header pins while initiating a cooking zone. Replace fan if seized. Clear the ceramic surface, turn off the dedicated breaker for 60 seconds, restore supply and touch the Key Lock sensor for 5 seconds.

E8

Hob / Cooktop

Electronic Control Board (PCB) & Bus Communications

De Dietrich Piano Zoneless / Horizone / DPI Induction Cooktop: Pan detection resonant circuit fault E8; zone display flashes 'E8' and fails to acknowledge presence of magnetic cookware.

On De Dietrich cooktops utilizing Piano full-surface zoneless induction matrix, 16-level power modulation, and Boil function boilover prevention: Degraded current sensing transformer (CT) on power module, unseated ferrite induction bars, or cracked coil wiring.

Test with a confirmed high-ferrous induction pan (magnet sticks firmly). Inspect ferrite bars beneath coil for physical damage. Check current sensor circuit. Clear the ceramic surface, turn off the dedicated breaker for 60 seconds, restore supply and touch the Key Lock sensor for 5 seconds.

E9

Hob / Cooktop

Electronic Control Board (PCB) & Bus Communications

De Dietrich Piano Zoneless / Horizone / DPI Induction Cooktop: Microcontroller configuration jumper / EEPROM mismatch E9; power board variant coding does not match user interface.

On De Dietrich cooktops utilizing Piano full-surface zoneless induction matrix, 16-level power modulation, and Boil function boilover prevention: Incorrect power-limiter DIP switch setting (16A, 20A, 32A), unconfigured replacement board, or corrupted EEPROM firmware.

Inspect DIP switch block on power generator PCB. Set switches per manufacturer technical schematic for specific model wattage rating. Clear the ceramic surface, turn off the dedicated breaker for 60 seconds, restore supply and touch the Key Lock sensor for 5 seconds.

Er00

Oven / Microwave

General System & Mechanical Integration

De Dietrich ICS (Intelligent Cooking System) / Fascination / Corium Pyrolytic Oven: Electronic programmer time clock error Er00; display flashes '00:00' or error code and refuses to begin heating mode.

On De Dietrich built-in ovens featuring ICS sensor-guided automated culinary cooking, PT500 platinum thermal probe (~540 Ω at 20°C), and 480°C Pyro-Turbo cleaning: Mains supply blackout interruption clearing time-of-day memory or corrupted clock chip oscillator.

Press and hold the Clock or Timer button for 3 seconds, adjust the current time with selector knobs, and confirm with OK. Rotate rotary knob to zero, disconnect power at the master breaker panel for 90 seconds, re-engage and validate time on the ICS interface.

Er01

Oven / Microwave

NTC Temperature Sensor & Thermistor

De Dietrich ICS (Intelligent Cooking System) / Fascination / Corium Pyrolytic Oven: Cavity temperature probe circuit open or shorted Er01; oven immediately halts cooking and beeps continuously.

On De Dietrich built-in ovens featuring ICS sensor-guided automated culinary cooking, PT500 platinum thermal probe (~540 Ω at 20°C), and 480°C Pyro-Turbo cleaning: Defective platinum RTD sensor probe (nominal PT500: ~540 Ω at 20°C, PT1000: ~1078 Ω at 20°C), or damaged ceramic lead wires.

Isolate mains breaker. Remove rear oven panel. Disconnect temperature sensor connector and measure resistance (~540 Ω at 20°C for PT500). Replace probe if open. Rotate rotary knob to zero, disconnect power at the master breaker panel for 90 seconds, re-engage and validate time on the ICS interface.

Er02

Oven / Microwave

Heating Element, Thermostat & Safety Fuse

De Dietrich ICS (Intelligent Cooking System) / Fascination / Corium Pyrolytic Oven: Cavity high-temperature limit exceeded Er02; oven safety system triggers after cavity exceeds 320°C in non-pyrolytic baking mode.

On De Dietrich built-in ovens featuring ICS sensor-guided automated culinary cooking, PT500 platinum thermal probe (~540 Ω at 20°C), and 480°C Pyro-Turbo cleaning: Welded heating element relay on power PCB feeding current continuously, or drifted PT500 probe.

Cut mains power immediately and let oven cool down. Test heater relay contacts with power disconnected (must be open). Check PT500 resistance. Rotate rotary knob to zero, disconnect power at the master breaker panel for 90 seconds, re-engage and validate time on the ICS interface.

Er03

Oven / Microwave

Drive Motor, Inverter & Tachometer Sensor

De Dietrich ICS (Intelligent Cooking System) / Fascination / Corium Pyrolytic Oven: Tangential cooling fan motor tachometer fault Er03; oven aborts heating cycle because cabinet cooling airflow cannot be verified.

On De Dietrich built-in ovens featuring ICS sensor-guided automated culinary cooking, PT500 platinum thermal probe (~540 Ω at 20°C), and 480°C Pyro-Turbo cleaning: Jammed cross-flow fan wheel, seized sleeve bearings, disconnected Hall sensor harness, or open fan motor coil (~240–320 Ω).

Spin tangential blower drum by hand to check for mechanical binding. Measure fan motor winding resistance (~240–320 Ω). Check 5V DC Hall sensor signal. Rotate rotary knob to zero, disconnect power at the master breaker panel for 90 seconds, re-engage and validate time on the ICS interface.

Er04

Oven / Microwave

Drive Motor, Inverter & Tachometer Sensor

De Dietrich ICS (Intelligent Cooking System) / Fascination / Corium Pyrolytic Oven: Pyrolytic door lock mechanism timeout Er04; motorized latch fails to lock the oven door when initiating self-clean mode.

On De Dietrich built-in ovens featuring ICS sensor-guided automated culinary cooking, PT500 platinum thermal probe (~540 Ω at 20°C), and 480°C Pyro-Turbo cleaning: Jammed door latch cam mechanism, broken lock gear motor coil (~4.5–6.0 kΩ), or pitted locking microswitch.

Inspect door lock latch above door cavity. Measure lock motor winding resistance (~4.5–6.0 kΩ). Verify microswitch contacts close (~0 Ω) when locked. Rotate rotary knob to zero, disconnect power at the master breaker panel for 90 seconds, re-engage and validate time on the ICS interface.

Er05

Oven / Microwave

Door Lock Mechanism & Safety Interlock

De Dietrich ICS (Intelligent Cooking System) / Fascination / Corium Pyrolytic Oven: Pyrolytic door unlock failure Er05; oven door remains locked after pyrolytic cleaning completes and cavity cools below 280°C.

On De Dietrich built-in ovens featuring ICS sensor-guided automated culinary cooking, PT500 platinum thermal probe (~540 Ω at 20°C), and 480°C Pyro-Turbo cleaning: Deformed door latch hook under thermal stress, stuck unlock microswitch, or PT500 probe falsely reading high.

Allow oven to reach room temperature. Press door inward to relieve mechanical latch friction. Test unlock microswitch contact continuity (~0 Ω). Rotate rotary knob to zero, disconnect power at the master breaker panel for 90 seconds, re-engage and validate time on the ICS interface.

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De Dietrich — Complete Error Code Catalog

73 Verified Error Codes

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

Dishwasher20

d01 d02 d03 d04 d05 d06 d07 d08 d09 d10 d11 d12 d13 d14 F1 F2 F3 F4 F5 F6

Washing Machine7

d21 d22 d23 d24 d25 d26 d27

Tumble Dryer6

d15 d16 d17 d18 d19 d20

Oven / Microwave23

Er00 Er01 Er02 Er03 Er04 Er05 Er06 Er07 Er08 Er09 Er10 Er11 Er12 Er13 Er14 Er15 F01 F02 F03 F04 F05 F10 SAFE

Hob / Cooktop14

AS E1 E2 E3 E4 E5 E6 E7 E8 E9 F0 F7 F8 F9

Refrigerator / Freezer3

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