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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
d07
Refrigerator / Freezer
Refrigeration Compressor, Defrost Heater & PTC Relay

De Dietrich Prestige No Frost / DRS Multi-Zone Refrigerator: Condenser cooling fan motor failure d07; compressor overheats, trips overload protector, and cooling stops.

On De Dietrich refrigeration units featuring Prestige No Frost multi-sensor refrigeration, active preservation zone, and inverter compressor modulation: Heavy lint/dust clogging lower condenser grille, seized fan shaft, or disconnected 230V/12V fan power cable.

Clean dust from lower condenser coil and fan blades. Check for free rotation. Test voltage at fan motor terminals during active compressor cycle. Replace seized fan motor. Touch and hold the Alarm Acknowledge and Quick Chill icons for 8 seconds until the ICS chime signals buffer reset, then release.

Diagnose
d07
Washing Machine
Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige / DWF Inverter Washing Machine: Door interlock safety fault d07; cycle will not begin because electronic module cannot confirm closed door contact.

On De Dietrich washing machines utilizing Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Defective bi-metal PTC door latch mechanism (~800–1200 Ω), misaligned strike hook, or pitted safety contacts.

Check door latch engagement. Measure resistance across PTC terminals of the interlock (~800–1200 Ω). Verify 230V AC arrival on trigger. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

Diagnose
d08
Dishwasher
Drive Motor, Inverter & Tachometer Sensor

De Dietrich Quattro / Space / DFI Luxury Built-in Dishwasher: Alternating spray distributor valve motor fault d08; wash water does not alternate between upper and lower spray arms.

On De Dietrich dishwashers featuring Quattro 4-level hydraulic spray distribution, ICS turbidity assessment, and 42dB acoustic encapsulation: Jammed ceramic distributor disc, stripped reduction gears, or open synchronous micro-motor coil (~3.5–4.2 kΩ).

Inspect motorized alternating valve assembly beneath tub. Measure drive motor resistance (~3.5–4.2 kΩ). Verify disc rotates smoothly by hand. Press and hold Programme Selection and Start buttons for 5 seconds until all cycle lights illuminate steadily, then switch off power.

Diagnose
d08
Tumble Dryer
General System & Mechanical Integration

De Dietrich Prestige Heat Pump & Condensation Tumble Dryer: Electronic moisture sensing fault d08; conductivity sensors detect zero resistance or short-circuit across drum paddles.

On De Dietrich tumble dryers utilizing Prestige dual-stage heat pump compressor, active conductivity fabric sensing, and low-temperature wool cycle logic: Worn carbon sensing brushes rubbing drum exterior, metal zipper bridging sensor strips, or fabric softener coating.

Clean stainless sensor strips with vinegar to dissolve softener coating. Inspect carbon sensor brushes touching outer drum band for wear. Touch the Power pad off, press and hold Extra Dry and Start sensors for 6 seconds until the melody sounds, then reboot the appliance.

Diagnose
d08
Refrigerator / Freezer
Refrigeration Compressor, Defrost Heater & PTC Relay

De Dietrich Prestige No Frost / DRS Multi-Zone Refrigerator: Inverter compressor drive or communication failure d08; compressor fails to start or rapidly cuts out after clicking.

On De Dietrich refrigeration units featuring Prestige No Frost multi-sensor refrigeration, active preservation zone, and inverter compressor modulation: Blown IPM power module on inverter PCB, unbalanced 3-phase compressor windings, or loss of serial control signal.

Measure resistance across the 3 compressor pins (U-V, V-W, U-W): all 3 readings must be balanced within approx. 8.0–12.0 Ω. Check 230V AC supply to inverter board. Touch and hold the Alarm Acknowledge and Quick Chill icons for 8 seconds until the ICS chime signals buffer reset, then release.

Diagnose
d08
Washing Machine
Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige / DWF Inverter Washing Machine: Drum rotation reversal fault d08; drum rotates only in one direction during wash tumble phases.

On De Dietrich washing machines featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Welded or pitted contact on drum direction reversing relay (K1/K2) on main electronic control board.

Inspect power control board for burnt solder joints on reversing relays. Tap relay gently to check for sticking contacts; replace relay or PCB if stuck. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

Diagnose
d09
Dishwasher
Electronic Control Board (PCB) & Bus Communications

De Dietrich Quattro / Space / DFI Luxury Built-in Dishwasher: Internal control bus communication error d09; display fascia loses synchronism with main hydraulic power board.

On De Dietrich dishwashers featuring Quattro 4-level hydraulic spray distribution, ICS turbidity assessment, and 42dB acoustic encapsulation: Wire harness pinch inside door hinge channel, corroded terminal pins, or 12V DC power bus supply failure.

Remove outer door shell and inspect harness running through hinge. Measure 12V DC and 5V DC supply lines with a multimeter. Press and hold Programme Selection and Start buttons for 5 seconds until all cycle lights illuminate steadily, then switch off power.

Diagnose
d09
Tumble Dryer
Electronic Control Board (PCB) & Bus Communications

De Dietrich Prestige Heat Pump & Condensation Tumble Dryer: Electronic control EEPROM checksum error d09; program options corrupt or cycle parameters fail digital verification.

On De Dietrich tumble dryers utilizing Prestige dual-stage heat pump compressor, active conductivity fabric sensing, and low-temperature wool cycle logic: Mains power surge or voltage spike corrupting memory address blocks on the main electronic control module.

Perform full power reset by isolating mains power for 10 minutes. If error code d09 immediately reappears upon powering on, re-flash or replace PCB. Touch the Power pad off, press and hold Extra Dry and Start sensors for 6 seconds until the melody sounds, then reboot the appliance.

Diagnose
d09
Refrigerator / Freezer
Refrigeration Compressor, Defrost Heater & PTC Relay

De Dietrich Prestige No Frost / DRS Multi-Zone Refrigerator: Automatic ice maker mechanism failure d09; ice cubes are not ejected into storage bucket or water fill fails.

On De Dietrich refrigeration units featuring Prestige No Frost multi-sensor refrigeration, active preservation zone, and inverter compressor modulation: Jammed ice ejector rake, defective harvest motor microswitch, or frozen water fill tube solenoid valve.

Manually test ice maker harvest cycle by pressing test switch. Inspect fill tube for ice block. Test water solenoid coil resistance (~1.2 kΩ). Replace ice maker module if motor seized. Touch and hold the Alarm Acknowledge and Quick Chill icons for 8 seconds until the ICS chime signals buffer reset, then release.

Diagnose
d09
Washing Machine
Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige / DWF Inverter Washing Machine: Program selector encoder fault d09; control module receives conflicting or erratic program selection binary code.

On De Dietrich washing machines featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Contaminated or oxidized rotary encoder wiper tracks on control panel, or mechanical shaft play.

Clean encoder wiper disc using electronics contact cleaner. Check resistance transition between encoder pins while turning dial. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

Diagnose
d10
Dishwasher
Water Inlet Valve, Aquastop & Flowmeter

De Dietrich Quattro / Space / DFI Luxury Built-in Dishwasher: Continuous uncontrolled water fill d10; water continues entering appliance after target fill level is achieved.

On De Dietrich dishwashers featuring Quattro 4-level hydraulic spray distribution, ICS turbidity assessment, and 42dB acoustic encapsulation: Debris wedging inlet valve plunger open, shorted inlet triac on PCB, or leaking valve diaphragm.

Shut off water tap immediately. Check if water continues flowing with power turned off (proves mechanical valve seat leak). Replace inlet valve. Press and hold Programme Selection and Start buttons for 5 seconds until all cycle lights illuminate steadily, then switch off power.

Diagnose
d10
Tumble Dryer
Heating Element, Thermostat & Safety Fuse

De Dietrich Prestige Heat Pump & Condensation Tumble Dryer: Heat pump compressor start failure d10; refrigeration compressor fails to pressurize thermodynamic circuit during drying.

On De Dietrich heat pump dryers utilizing Prestige dual-stage heat pump compressor, active conductivity fabric sensing, and low-temperature wool cycle logic: Defective compressor starting capacitor (~15–25 µF), open internal motor protector Klixon, or seized rotary piston.

Measure compressor start capacitor with digital capacitance meter (~15–25 µF). Measure compressor motor winding resistance (C-S and C-R ~15–25 Ω). Touch the Power pad off, press and hold Extra Dry and Start sensors for 6 seconds until the melody sounds, then reboot the appliance.

Diagnose
d10
Refrigerator / Freezer
Refrigeration Compressor, Defrost Heater & PTC Relay

De Dietrich Prestige No Frost / DRS Multi-Zone Refrigerator: Main electronic control PCB memory error d10; unit resets intermittently or fails to execute temperature programs.

On De Dietrich refrigeration units featuring Prestige No Frost multi-sensor refrigeration, active preservation zone, and inverter compressor modulation: Corrupted EEPROM configuration bytes, degraded power filter capacitors, or transient voltage spike from mains supply.

Disconnect mains power for 10 minutes to clear volatile memory. Inspect PCB for bulging capacitors or heat marks. Verify 5V DC and 12V DC test rails. Replace main PCB if fault recurs. Touch and hold the Alarm Acknowledge and Quick Chill icons for 8 seconds until the ICS chime signals buffer reset, then release.

Diagnose
d10
Washing Machine
Water Level Pressure Switch & Air Dome

De Dietrich Prestige / DWF Inverter Washing Machine: Overflow safety level reached d10; machine forces emergency drain pump operation to prevent flood.

On De Dietrich washing machines featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Blocked pressure switch air compression chamber, leaking water inlet valve, or excessive detergent foam.

Shut off water tap. Detach pressure hose and blow through to clear compression dome. Verify solenoid valve closes tight without power. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

Diagnose
d11
Dishwasher
Water Level Pressure Switch & Air Dome

De Dietrich Quattro / Space / DFI Luxury Built-in Dishwasher: Pressure switch chamber clogged d11; water column sensing membrane is sluggish or fails to return to zero.

On De Dietrich dishwashers utilizing Quattro 4-level hydraulic spray distribution, ICS turbidity assessment, and 42dB acoustic encapsulation: Heavy grease and food deposit coagulation inside the sump air bell chamber or kinked pressure tube.

Flush sump air trap with hot water and degreasing agent. Detach pressure switch hose and blow through to clear blockage. Press and hold Programme Selection and Start buttons for 5 seconds until all cycle lights illuminate steadily, then switch off power.

Diagnose
d11
Tumble Dryer
NTC Temperature Sensor & Thermistor

De Dietrich Prestige Heat Pump & Condensation Tumble Dryer: Heat pump evaporator NTC thermistor fault d11; low-temperature thermodynamic evaporator sensor reading is open or aberrant.

On De Dietrich heat pump dryers utilizing Prestige dual-stage heat pump compressor, active conductivity fabric sensing, and low-temperature wool cycle logic: Defective evaporator NTC probe (~10 kΩ at 25°C, ~30 kΩ at 0°C), severed wiring, or moisture on terminals.

Access lower evaporator coil housing. Disconnect sensor and measure resistance (~10 kΩ at 25°C). Replace NTC sensor probe if out of tolerance. Touch the Power pad off, press and hold Extra Dry and Start sensors for 6 seconds until the melody sounds, then reboot the appliance.

Diagnose
d11
Washing Machine
Heating Element, Thermostat & Safety Fuse

De Dietrich Prestige / DWF Inverter Washing Machine: Abnormal heating in rinse cycle d11; water heats unexpectedly during cold water rinse phases.

On De Dietrich washing machines featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Stuck/welded heater relay contacts on power PCB or shorted heater driving transistor.

Measure voltage across heating element terminals during rinse phase (must be 0V AC). Replace heater relay or 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.

Diagnose
d12
Dishwasher
Water Level Pressure Switch & Air Dome

De Dietrich Quattro / Space / DFI Luxury Built-in Dishwasher: Dynamic water level loss d12; water level drops excessively once wash circulation pump starts spraying.

On De Dietrich dishwashers featuring Quattro 4-level hydraulic spray distribution, ICS turbidity assessment, and 42dB acoustic encapsulation: Upside-down hollow bowls retaining trapped wash water, or self-siphoning through low drain standpipe.

Verify dishes are arranged properly without upturned reservoirs. Ensure drain hose loop is suspended at least 65cm above floor level. Press and hold Programme Selection and Start buttons for 5 seconds until all cycle lights illuminate steadily, then switch off power.

Diagnose
d12
Tumble Dryer
NTC Temperature Sensor & Thermistor

De Dietrich Prestige Heat Pump & Condensation Tumble Dryer: Heat pump condenser NTC thermistor fault d12; high-pressure refrigerant condenser temperature sensor signal is out of bounds.

On De Dietrich heat pump dryers utilizing Prestige dual-stage heat pump compressor, active conductivity fabric sensing, and low-temperature wool cycle logic: Defective condenser copper pipe NTC sensor (~10 kΩ at 25°C, ~3.5 kΩ at 60°C), or detached pipe spring clip.

Verify sensor spring clip is seated tightly against the refrigerant copper line. Measure resistance (~10 kΩ at 25°C). Replace probe if defective. Touch the Power pad off, press and hold Extra Dry and Start sensors for 6 seconds until the melody sounds, then reboot the appliance.

Diagnose
d12
Washing Machine
Water Level Pressure Switch & Air Dome

De Dietrich Prestige / DWF Inverter Washing Machine: Residual water detected after pumpout d12; pressure sensor fails to register empty tub state after drain sequence.

On De Dietrich washing machines featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Partial siphon blockage, clogged drain standpipe, or stuck pressure sensor contacts.

Check wall drain standpipe height and clear blockages. Test pressure switch contacts for continuity when air pressure is released. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

Diagnose
d13
Dishwasher
NTC Temperature Sensor & Thermistor

De Dietrich Quattro / Space / DFI Luxury Built-in Dishwasher: Water temperature overheating cutoff d13; sump temperature exceeds 75°C safety threshold during cycle.

On De Dietrich dishwashers featuring Quattro 4-level hydraulic spray distribution, ICS turbidity assessment, and 42dB acoustic encapsulation: Welded power relay contacts powering heater continuously, or short-circuited NTC thermistor.

Disconnect power immediately. Measure heater relay contact continuity with power off (must be open). Test NTC resistance (~47 kΩ at 25°C). Press and hold Programme Selection and Start buttons for 5 seconds until all cycle lights illuminate steadily, then switch off power.

Diagnose
d13
Tumble Dryer
Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige Heat Pump & Condensation Tumble Dryer: Drum drive belt broken or tensioner open d13; motor spins freely but drum does not rotate.

On De Dietrich tumble dryers utilizing Prestige dual-stage heat pump compressor, active conductivity fabric sensing, and low-temperature wool cycle logic: Snapped poly-V drive belt, fallen tensioner pulley tripping the safety microswitch, or seized idler bearing.

Remove side or top panel. Check belt integrity around drum. Fit new poly-V belt over motor pulley and reset the tensioner microswitch arm. Touch the Power pad off, press and hold Extra Dry and Start sensors for 6 seconds until the melody sounds, then reboot the appliance.

Diagnose
d13
Washing Machine
Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige / DWF Inverter Washing Machine: Spin unbalance cutoff d13; drum spin ramp is terminated repeatedly due to uneven laundry mass distribution.

On De Dietrich washing machines utilizing Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Single large heavy item (bath mat, pillow), worn drum friction dampers, or broken suspension springs.

Untangle laundry and add smaller items to balance load. Inspect tub shock absorbers for damping resistance. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

Diagnose
d14
Dishwasher
Water Level Pressure Switch & Air Dome

De Dietrich Quattro / Space / DFI Luxury Built-in Dishwasher: Wash pump cavitation / water fill discrepancy d14; circulation motor draws irregular current due to aerated water foam.

On De Dietrich dishwashers featuring Quattro 4-level hydraulic spray distribution, ICS turbidity assessment, and 42dB acoustic encapsulation: Hand dishwashing liquid added causing massive foaming, low water level, or partially siphoned drain.

Pour 2 tablespoons of vegetable cooking oil into tub to suppress foam. Run drain cycle. Refill with cold water and check water level. Press and hold Programme Selection and Start buttons for 5 seconds until all cycle lights illuminate steadily, then switch off power.

Diagnose
d14
Tumble Dryer
Heating Element, Thermostat & Safety Fuse

De Dietrich Prestige Heat Pump & Condensation Tumble Dryer: High-limit thermal safety thermostat tripped d14; heater element deactivated immediately upon cycle initiation.

On De Dietrich tumble dryers utilizing Prestige dual-stage heat pump compressor, active conductivity fabric sensing, and low-temperature wool cycle logic: Severely blocked fluff filter causing severe convective heat buildup, or tripped manual reset Klixon (~140°C).

Allow heater to cool. Clean lint filter thoroughly. Press the small red reset button on the rear Klixon thermostat. Verify 0 Ω continuity. Touch the Power pad off, press and hold Extra Dry and Start sensors for 6 seconds until the melody sounds, then reboot the appliance.

Diagnose
d14
Washing Machine
Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige / DWF Inverter Washing Machine: Detergent dispenser cam error d14; motorized water distributor mechanism fails to index correct product compartment.

On De Dietrich washing machines featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Detergent residue jamming distribution gears, defective microswitch, or open distributor drive motor (~7–10 kΩ).

Clean detergent drawer housing and clear powder scale. Measure distributor actuator motor coil resistance (~7–10 kΩ). Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

Diagnose
d15
Tumble Dryer
Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige Heat Pump & Condensation Tumble Dryer: Inverter drum motor communication loss d15; variable speed motor controller fails to respond to main microprocessor commands.

On De Dietrich tumble dryers utilizing Prestige dual-stage heat pump compressor, active conductivity fabric sensing, and low-temperature wool cycle logic: Disconnected serial data harness between main board and inverter, or blown DC link bus fuse on inverter PCB.

Inspect multi-conductor ribbon cable between boards. Verify 310V DC bus voltage across bulk capacitors. Check 5V DC logic supply voltage. Touch the Power pad off, press and hold Extra Dry and Start sensors for 6 seconds until the melody sounds, then reboot the appliance.

Diagnose
d15
Washing Machine
Water Level Pressure Switch & Air Dome

De Dietrich Prestige / DWF Inverter Washing Machine: Electronic pressure switch frequency fault d15; analog level sensor outputs erratic frequency signal to main PCB.

On De Dietrich washing machines featuring Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Perforated pressure hose, cracked diaphragm in pressure transducer, or 5V DC supply line dropout.

Inspect flexible pressure hose for punctures and air tightness. Measure 5V DC across sensor supply pins. Replace analog sensor if signal drifts. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

Diagnose
d16
Tumble Dryer
Door Lock Mechanism & Safety Interlock

De Dietrich Prestige Heat Pump & Condensation Tumble Dryer: Door latch open during cycle d16; cycle pauses immediately as door contact microswitch opens during active operation.

On De Dietrich tumble dryers utilizing Prestige dual-stage heat pump compressor, active conductivity fabric sensing, and low-temperature wool cycle logic: Worn door catch pin, loose latch microswitch mounting bracket, or broken door strike tongue.

Inspect door catch alignment and latch engagement. Test door microswitch continuity (~0 Ω closed, infinite open) 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.

Diagnose
d16
Washing Machine
Drive Motor, Inverter & Tachometer Sensor

De Dietrich Prestige / DWF Inverter Washing Machine: Inverter module bus link error d16; main controller loses communication with 3-phase BLDC motor inverter card.

On De Dietrich washing machines utilizing Prestige DWF brushless inverter drive, optoelectronic water metering, and anti-vibration cabinet damping: Disconnected serial data harness between boards, blown inverter onboard fuse, or failed IPM driver IC.

Inspect multi-wire data ribbon between main PCB and inverter module. Verify 310V DC bus voltage across inverter bulk electrolytic capacitors. Touch the Power button off, touch and hold Option and Start keys together for 6 seconds until 'rSt' illuminates, then cycle mains power.

Diagnose
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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

d01d02d03d04d05d06d07d08d09d10d11d12d13d14F1F2F3F4F5F6

Washing Machine7

d21d22d23d24d25d26d27

Tumble Dryer6

d15d16d17d18d19d20

Oven / Microwave23

Er00Er01Er02Er03Er04Er05Er06Er07Er08Er09Er10Er11Er12Er13Er14Er15F01F02F03F04F05F10SAFE

Hob / Cooktop14

ASE1E2E3E4E5E6E7E8E9F0F7F8F9

Refrigerator / Freezer3

AL01AL02AL03

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