De Dietrich Dishwashers Error Codes

E1

Dishwasher will not fill with water; cycle starts then stops with E1 on display

Water Inlet Timeout / No Fill

E10

Dishwasher shows E10; drying performance is poor and fan may not run

Drying System / Fan or Vent Fault

E11

Dishwasher displays E11; door may not lock properly and cycle will not start

Door Lock / Door Switch Fault

E12

Dishwasher shows E12; salt or water softener system issues, poor washing with limescale deposits

Water Softener / Regeneration System Fault

E13

Dishwasher displays E13; often associated with overfilling or unusual water level behavior

Overfill / Level Sensor Calibration Error

E14

Dishwasher shows E14; often related to flow meter or water intake measurement

Flow Meter Signal Error

E15

Dishwasher displays E15; machine may not start and drain pump may run continuously

Base Leak / Anti-Flood Float Switch Activated

E16

Dishwasher shows E16; continuous filling or water entering even when off

Water Inlet Valve Stuck Open

E17

Dishwasher displays E17; rapid fill or overfill detected

High Water Pressure / Overfill Detection

E18

Dishwasher shows E18; not enough water in tub, short fill time

Underfill / Short Fill

E19

Dishwasher displays E19; issues with auxiliary valve or diverter

Auxiliary Valve / Diverter Valve Error

E2

Dishwasher stops early in cycle and displays E2; water remains in tub or fills too high

Water Level Sensing / Pressure Switch Fault

E20

Dishwasher shows E20; general motor or pump error

Motor / Pump Drive Error

E3

Dishwasher does not heat water; cycle runs long and ends with E3

Heating Circuit Failure

E4

Dishwasher displays E4 and stops; water may be seen in base tray; machine may run drain pump continuously

Anti-Flood / Overflow Protection Activated

E5

Dishwasher does not drain; water remains at bottom and E5 is displayed

Drain Pump or Drainage Fault

E6

Dishwasher stops and shows E6; water may be present but spray arms are not turning

Circulation Pump Failure

E7

Dishwasher displays E7; cycle may stop shortly after starting wash phase

Turbidity / Optical Water Sensor Fault

E8

Dishwasher shows E8; water level appears too low and spray arms may not rotate properly

Insufficient Water Level / Fill Volume Error

E9

Dishwasher displays E9; water may overheat or remain cold depending on failure mode

NTC Temperature Sensor Error

Symptom

Dishes remain dirty; poor cleaning performance despite completing cycle

Wash Performance Degradation

Symptom

Dishwasher does not drain completely; small pool of water remains after cycle

Partial Drain / Check Valve Issue

Symptom

Dishwasher door drops down quickly or will not stay open at mid-position

Door Spring / Cable Failure

Symptom

Dishwasher door will not latch closed

Door Latch / Strike Misalignment

Symptom

Dishwasher fills and hums but spray arms do not rotate; dishes come out dirty

Low Wash Pressure / Circulation Restriction

Symptom

Dishwasher interior light (if fitted) does not work but machine runs normally

Interior Lamp Failure

Symptom

Dishwasher interior remains wet; poor drying even on intensive programs

Drying Performance Issue

Symptom

Dishwasher leaks from underneath or from one side

Base Leak / Internal Hose or Sump Leak

Symptom

Dishwasher leaks water from the door during wash

Door Seal / Spray Pattern Leak

Symptom

Dishwasher leaves white powder or detergent residue in dispenser or on dishes

Detergent Dispensing / Dissolution Problem

Symptom

Dishwasher makes high-pitched squealing or whining noise during operation

Pump Bearing Wear / Cavitation

Symptom

Dishwasher makes loud grinding or rattling noise during wash

Mechanical Obstruction / Pump or Spray Arm Noise

Symptom

Dishwasher powers on but will not start cycle; Start button unresponsive

User Interface / Control Panel Fault

Symptom

Dishwasher runs for a very long time or never seems to finish

Extended Cycle Duration / Heating or Sensor Issue

Symptom

Dishwasher stops mid-cycle and turns off completely

Intermittent Power Loss / Overheating Protection

Symptom

Dishwasher trips the circuit breaker or RCD during operation

Electrical Short or Earth Leakage

Symptom

Dishwasher vibrates excessively or moves during operation

Installation / Leveling Issue

Symptom

Dishwasher will not power on at all; no lights or display

No Mains Power / Control Board Not Energized

Symptom

Glasses appear cloudy or milky after wash

Rinse / Water Softening Issue

Symptom

Rinse aid is not being dispensed; dishes dry with spots

Rinse Aid Dispenser Fault

Symptom

Strong bad smell from dishwasher interior

Organic Build-Up / Bacterial Growth