Hobart Dishwashers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E1
Machine will not fill; cycle stops shortly after start and E1 is displayed on the Hobart dishwasher control panel.
Fill Timeout / Insufficient Water Supply
E10
Hobart dishwasher displays E10; communication error between user interface and main control.
Communication Bus / Interface Fault
E11
Hobart dishwasher shows E11; wash tank temperature sensor error.
Wash Tank Temperature Sensor (NTC) Fault
E12
Hobart dishwasher displays E12; final rinse temperature sensor error.
Rinse Temperature Sensor Fault
E13
Hobart dishwasher shows E13; low rinse pressure or flow detected during final rinse.
Low Rinse Pressure / Flow Fault
E14
Hobart dishwasher displays E14; chemical dosing system error (detergent or rinse aid).
Chemical Dosing Pump Fault
E15
Hobart dishwasher shows E15; leak detected in base or overflow tray, machine may shut down.
Leak Detection / Overflow Tray Fault
E16
Hobart dishwasher displays E16; excessive foam or suds detected in wash tank.
Foaming / Detergent Overdose Fault
E17
Hobart dishwasher shows E17; exhaust or venting fault, often on high-temperature models with vent fans.
Vent Fan / Steam Condenser Fault
E18
Hobart dishwasher displays E18; rack transport or conveyor movement fault on rack-conveyor models.
Rack Conveyor Drive Fault
E19
Hobart dishwasher shows E19; hood or door lift fault on hood-type models with automatic hood lift.
Automatic Hood Lift Mechanism Fault
E2
Hobart dishwasher fills but does not heat properly; cycle extends or stops with E2 displayed.
Wash Tank Heating Failure
E20
Hobart dishwasher displays E20; exhaust temperature too high or overheat condition detected.
Overtemperature / Overheat Protection Fault
E3
Rinse temperature not reaching setpoint; Hobart dishwasher displays E3 and may not complete sanitizing cycle.
Final Rinse Heater / Booster Heater Failure
E4
Hobart dishwasher stops mid-cycle and displays E4; machine may have standing water in the tank or sump.
Drain Timeout / Drain Failure
E5
Hobart dishwasher overfills; water level too high in tank or sump and E5 is displayed.
Overfill / Level Control Fault
E6
Hobart dishwasher displays E6 and stops; often associated with door not latching or opening during cycle.
Door Interlock / Safety Switch Fault
E7
Hobart dishwasher shows E7; wash pump does not start or stops shortly after starting.
Wash Pump Motor Fault
E8
Hobart dishwasher displays E8; rinse pump does not operate or final rinse is weak.
Rinse Pump / Rinse Aid Pump Fault
E9
Hobart dishwasher shows E9; control panel unresponsive or random resets during operation.
Control Board / Power Supply Fault
Symptom
Dishes are not coming clean; food soil remains on plates and glasses after a full cycle with a Hobart dishwasher.
Poor Wash Performance / Inadequate Cleaning
Symptom
Dishes are wet or not drying properly at the end of the Hobart dishwasher cycle.
Poor Drying / Inadequate Rinse Aid or Final Rinse Temperature
Symptom
Hobart dishwasher chemical usage is abnormally high; detergent or rinse aid containers empty quickly.
Overdosing of Chemicals
Symptom
Hobart dishwasher cycles are taking much longer than normal to complete.
Extended Cycle Time / Slow Heating or Filling
Symptom
Hobart dishwasher displays no error but the control buttons are intermittently unresponsive or require hard pressing.
Keypad / User Interface Wear
Symptom
Hobart dishwasher emits a strong bad odor when opened, even after running cycles.
Odor / Bacterial Growth in Tank and Plumbing
Symptom
Hobart dishwasher fills and heats but does not drain at the end of the cycle; water remains in the tank.
No Drain / Standing Water
Symptom
Hobart dishwasher final rinse arm does not rotate properly; water sprays in one direction only.
Rinse Arm Obstruction or Bearing Wear
Symptom
Hobart dishwasher hood or door is difficult to open or close, or does not stay in position.
Hood / Door Hinge and Counterbalance Wear
Symptom
Hobart dishwasher is leaking water from the door area during operation.
Door Seal / Gasket Leak
Symptom
Hobart dishwasher leaves white film or spots on glasses and dishes.
Limescale / Hard Water Deposits
Symptom
Hobart dishwasher overflows or water comes out of the door or vent during fill or wash.
Overfilling / Level Control Failure
Symptom
Hobart dishwasher racks are not advancing properly through the machine on a conveyor model.
Rack Transport / Conveyor Misfeed
Symptom
Hobart dishwasher runs but is very noisy during wash or rinse, with grinding, rattling, or high-pitched sounds.
Excessive Noise / Pump or Bearing Wear
Symptom
Hobart dishwasher shows inconsistent wash results; some racks are clean while others are still soiled.
Uneven Wash Coverage
Symptom
Hobart dishwasher trips the circuit breaker or blows fuses during operation.
Electrical Overload / Short Circuit
Symptom
Hobart dishwasher will not start; no response when start button is pressed, though power is available.
No Start / Control Lockout
Symptom
Water is leaking from underneath the Hobart dishwasher, not from the door.
Base Leak / Internal Hose or Pump Leak
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Machine will not fill; cycle stops shortly after start and E1 is displayed on the Hobart dishwasher control panel.
|
Fill Timeout / Insufficient Water Supply | View Details |
| E10 |
Hobart dishwasher displays E10; communication error between user interface and main control.
|
Communication Bus / Interface Fault | View Details |
| E11 |
Hobart dishwasher shows E11; wash tank temperature sensor error.
|
Wash Tank Temperature Sensor (NTC) Fault | View Details |
| E12 |
Hobart dishwasher displays E12; final rinse temperature sensor error.
|
Rinse Temperature Sensor Fault | View Details |
| E13 |
Hobart dishwasher shows E13; low rinse pressure or flow detected during final rinse.
|
Low Rinse Pressure / Flow Fault | View Details |
| E14 |
Hobart dishwasher displays E14; chemical dosing system error (detergent or rinse aid).
|
Chemical Dosing Pump Fault | View Details |
| E15 |
Hobart dishwasher shows E15; leak detected in base or overflow tray, machine may shut down.
|
Leak Detection / Overflow Tray Fault | View Details |
| E16 |
Hobart dishwasher displays E16; excessive foam or suds detected in wash tank.
|
Foaming / Detergent Overdose Fault | View Details |
| E17 |
Hobart dishwasher shows E17; exhaust or venting fault, often on high-temperature models with vent fans.
|
Vent Fan / Steam Condenser Fault | View Details |
| E18 |
Hobart dishwasher displays E18; rack transport or conveyor movement fault on rack-conveyor models.
|
Rack Conveyor Drive Fault | View Details |
| E19 |
Hobart dishwasher shows E19; hood or door lift fault on hood-type models with automatic hood lift.
|
Automatic Hood Lift Mechanism Fault | View Details |
| E2 |
Hobart dishwasher fills but does not heat properly; cycle extends or stops with E2 displayed.
|
Wash Tank Heating Failure | View Details |
| E20 |
Hobart dishwasher displays E20; exhaust temperature too high or overheat condition detected.
|
Overtemperature / Overheat Protection Fault | View Details |
| E3 |
Rinse temperature not reaching setpoint; Hobart dishwasher displays E3 and may not complete sanitizing cycle.
|
Final Rinse Heater / Booster Heater Failure | View Details |
| E4 |
Hobart dishwasher stops mid-cycle and displays E4; machine may have standing water in the tank or sump.
|
Drain Timeout / Drain Failure | View Details |
| E5 |
Hobart dishwasher overfills; water level too high in tank or sump and E5 is displayed.
|
Overfill / Level Control Fault | View Details |
| E6 |
Hobart dishwasher displays E6 and stops; often associated with door not latching or opening during cycle.
|
Door Interlock / Safety Switch Fault | View Details |
| E7 |
Hobart dishwasher shows E7; wash pump does not start or stops shortly after starting.
|
Wash Pump Motor Fault | View Details |
| E8 |
Hobart dishwasher displays E8; rinse pump does not operate or final rinse is weak.
|
Rinse Pump / Rinse Aid Pump Fault | View Details |
| E9 |
Hobart dishwasher shows E9; control panel unresponsive or random resets during operation.
|
Control Board / Power Supply Fault | View Details |
| – |
Dishes are not coming clean; food soil remains on plates and glasses after a full cycle with a Hobart dishwasher.
|
Poor Wash Performance / Inadequate Cleaning | View Details |
| – |
Dishes are wet or not drying properly at the end of the Hobart dishwasher cycle.
|
Poor Drying / Inadequate Rinse Aid or Final Rinse Temperature | View Details |
| – |
Hobart dishwasher chemical usage is abnormally high; detergent or rinse aid containers empty quickly.
|
Overdosing of Chemicals | View Details |
| – |
Hobart dishwasher cycles are taking much longer than normal to complete.
|
Extended Cycle Time / Slow Heating or Filling | View Details |
| – |
Hobart dishwasher displays no error but the control buttons are intermittently unresponsive or require hard pressing.
|
Keypad / User Interface Wear | View Details |
| – |
Hobart dishwasher emits a strong bad odor when opened, even after running cycles.
|
Odor / Bacterial Growth in Tank and Plumbing | View Details |
| – |
Hobart dishwasher fills and heats but does not drain at the end of the cycle; water remains in the tank.
|
No Drain / Standing Water | View Details |
| – |
Hobart dishwasher final rinse arm does not rotate properly; water sprays in one direction only.
|
Rinse Arm Obstruction or Bearing Wear | View Details |
| – |
Hobart dishwasher hood or door is difficult to open or close, or does not stay in position.
|
Hood / Door Hinge and Counterbalance Wear | View Details |
| – |
Hobart dishwasher is leaking water from the door area during operation.
|
Door Seal / Gasket Leak | View Details |
| – |
Hobart dishwasher leaves white film or spots on glasses and dishes.
|
Limescale / Hard Water Deposits | View Details |
| – |
Hobart dishwasher overflows or water comes out of the door or vent during fill or wash.
|
Overfilling / Level Control Failure | View Details |
| – |
Hobart dishwasher racks are not advancing properly through the machine on a conveyor model.
|
Rack Transport / Conveyor Misfeed | View Details |
| – |
Hobart dishwasher runs but is very noisy during wash or rinse, with grinding, rattling, or high-pitched sounds.
|
Excessive Noise / Pump or Bearing Wear | View Details |
| – |
Hobart dishwasher shows inconsistent wash results; some racks are clean while others are still soiled.
|
Uneven Wash Coverage | View Details |
| – |
Hobart dishwasher trips the circuit breaker or blows fuses during operation.
|
Electrical Overload / Short Circuit | View Details |
| – |
Hobart dishwasher will not start; no response when start button is pressed, though power is available.
|
No Start / Control Lockout | View Details |
| – |
Water is leaking from underneath the Hobart dishwasher, not from the door.
|
Base Leak / Internal Hose or Pump Leak | View Details |
No matching codes found
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