Jet Tech Dishwashers Error Codes

E1

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

Water Inlet Timeout / Fill Fault

E10

Dishwasher displays E10; booster heater does not reach sanitizing temperature

Booster Heater Fault

E11

Dishwasher shows E11; machine will not start and control panel is unresponsive or erratic

Control Board Communication / Main PCB Fault

E12

Dishwasher displays E12; fill and drain seem normal but cycle aborts early

Flow Meter / Water Volume Measurement Fault

E13

Dishwasher shows E13; machine stops and may show signs of water in base pan

Leak Detection / Anti-Flood Fault

E14

Dishwasher displays E14; wash arms do not rotate and cleaning is poor

Spray Arm Pressure / Circulation Pressure Fault

E15

Dishwasher shows E15; detergent is not being dispensed properly

Detergent Dispenser / Dosing Fault

E16

Dishwasher displays E16; machine frequently trips the breaker or blows fuses

Electrical Short / Overcurrent Fault

E17

Dishwasher shows E17; machine fills and drains repeatedly without completing cycle

Level Control / Siphoning Fault

E18

Dishwasher displays E18; excessive steam or high temperature alarm

Overtemperature / Thermostat Fault

E19

Dishwasher shows E19; communication error between main board and display or remote module

Communication Bus Fault

E2

Dishwasher does not drain; standing water remains in tank and E2 is displayed

Drain Timeout / Drain Pump Fault

E20

Dishwasher displays E20; exhaust or venting error on models with vent fans

Vent Fan / Steam Exhaust Fault

E3

Dishwasher fills but water does not heat; cycles run cold and E3 appears

Heating Circuit Failure

E4

Dishwasher stops mid-cycle with E4; water level appears too high or machine overfills

Overfill / Overflow Protection Activated

E5

Dishwasher stops with E5; door will not start cycle or cycle aborts when door is touched

Door Interlock / Door Switch Fault

E6

Dishwasher displays E6 and stops; water appears cloudy or temperature inconsistent

Temperature Sensor (NTC) Error

E7

Dishwasher shows E7; wash pump does not run or stops shortly after starting

Wash Pump Motor Fault

E8

Dishwasher displays E8; rinse cycle does not start or rinse water does not enter

Rinse Solenoid / Rinse Fill Fault

E9

Dishwasher shows E9; rinse aid is not dispensing and glasses spot easily

Rinse Aid Dispenser Fault

Symptom

Chemical smell or irritation when opening the dishwasher after a cycle

Chemical Overdosing / Ventilation Issue

Symptom

Cloudy glassware that clears when wiped with vinegar

Mineral Film from Hard Water

Symptom

Detergent tablet or powder remains undissolved in the dispenser after cycle

Detergent Dispenser / Water Flow Issue

Symptom

Dishes are not getting clean; food remains on plates and glasses after a full cycle

Poor Wash Performance / Low Wash Pressure

Symptom

Dishes come out wet; poor drying performance at end of cycle

Drying / Rinse Temperature or Rinse Aid Issue

Symptom

Dishwasher drains immediately after filling; water does not stay in tank

Siphoning / Incorrect Drain Installation

Symptom

Dishwasher fills with water but does not start washing; only a humming sound is heard

Stalled Wash Pump / Start Capacitor Failure

Symptom

Dishwasher is very noisy during operation; grinding, rattling, or loud humming sounds

Mechanical Noise / Pump or Spray Arm Interference

Symptom

Dishwasher leaks water onto the floor from underneath during or after a cycle

Base Pan / Hose / Pump Seal Leak

Symptom

Dishwasher vibrates excessively or moves during operation

Vibration / Installation Fault

Symptom

Dishwasher will not power on; no lights or display activity

No Power / Supply or Main Switch Fault

Symptom

Door is hard to close or pops open during operation

Door Alignment / Hinge or Latch Issue

Symptom

Permanent cloudy or etched glassware that does not clear when wiped

Glass Etching / Chemical Damage

Symptom

Racks are difficult to slide in and out; they bind or fall off tracks

Rack Rail / Roller Wear

Symptom

Rust stains appearing on dishes or inside the stainless steel tank

Corrosion / Foreign Metal Contamination

Symptom

Steam escaping excessively from door or vent during operation

Vent / Gasket / Overtemperature Issue

Symptom

Strong bad odor from inside the dishwasher even when not in use

Odor / Biofilm and Grease Buildup

Symptom

Water backs up into the dishwasher from the sink or floor drain

Backflow from Building Drain

Symptom

Water leaking from the sides or top of the door during wash

Door Seal / Gasket Leak

Symptom

White film or spots on glasses and dishes after washing

Limescale / Hard Water Deposits