CMA Dishmachines 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; display shows E1 shortly after start, wash pump does not run.
Fill Timeout / Low Water Level Fault
E10
Low water level detected during operation; display shows E10 and cycle may abort.
Low Water Level / Float Switch Fault
E11
Overfill condition; display shows E11 and machine may activate drain continuously.
Overfill / Flood Protection Fault
E12
Control communication or internal error; display shows E12 and machine may be unresponsive or locked.
Control Board Communication Fault
E13
Rinse pressure too low; display shows E13 and machine may not allow sanitizing cycle to continue.
Low Rinse Pressure Fault
E14
Rinse pressure too high; display shows E14 and machine may shut down rinse circuit.
High Rinse Pressure Fault
E15
Sanitizing failure; display shows E15 indicating final rinse temperature or time did not meet sanitizing requirements.
Sanitization Failure
E2
Machine fills but does not drain at end of cycle; display shows E2 and water remains in the tank.
Drain Timeout / Drain Failure
E3
Wash tank does not reach set temperature; display shows E3 and machine may stop or alarm.
Wash Tank Heat Failure
E4
Booster heater does not reach sanitizing temperature; display shows E4 and machine may not allow cycle to continue.
Booster Heater Temperature Fault
E5
Final rinse temperature sensor error; display shows E5 and machine may lock out sanitizing cycles.
Rinse Temperature Probe Fault
E6
Door or hood switch error; display shows E6 and machine will not start a cycle.
Door/Hood Interlock Fault
E7
Wash pump overload or motor fault; display shows E7 and pump will not run or stops mid-cycle.
Wash Pump Motor Overload / Failure
E8
Rinse pump or rinse solenoid fault; display shows E8 and no final rinse water sprays.
Rinse Circuit Failure
E9
Chemical dispenser communication or output error; display shows E9 and detergent/rinse aid is not dispensed.
Chemical Dispenser Control Fault
Symptom
Booster heater over-heats; water flashes to steam at rinse nozzles.
Booster Overheating
Symptom
Cloudy glasses that clear when wiped with vinegar; etching marks on glassware.
Glass Etching / Chemical Damage
Symptom
Detergent is not being dispensed; wash water remains clear and greasy.
Detergent Injection Failure
Symptom
Dishes are clean but not drying; water remains on glasses and plates after cycle.
Poor Drying Performance
Symptom
Dishmachine will not power on; no lights or display, no response from controls.
No Power / Dead Control
Symptom
Door or hood is difficult to close or does not seal properly.
Door/Hood Alignment and Seal Issue
Symptom
High-pitched squealing or whine during operation.
Motor or Pump Bearing Wear
Symptom
Loud grinding or rattling noise from the machine during wash.
Mechanical Noise from Wash Pump / Impeller
Symptom
Machine does not drain at end of day; standing water remains in tank after pressing drain.
End-of-Day Drain Failure
Symptom
Machine drains immediately after filling and cannot maintain water level.
Continuous Draining / Drain Valve Stuck Open
Symptom
Machine fills and runs but dishes are not getting clean; heavy soil remains after cycle.
Poor Wash Performance
Symptom
Machine leaks water onto the floor during or after operation.
External Water Leak
Symptom
Machine powers on but will not start cycle when Start button is pressed.
Start Circuit / Interlock Inhibit
Symptom
Machine runs continuously and does not advance or stop at the end of the cycle.
Cycle Control / Timer Fault
Symptom
Machine stops mid-cycle and must be restarted manually.
Intermittent Power or Safety Interlock Trip
Symptom
Machine vibrates excessively or moves on the floor during operation.
Excessive Vibration / Installation Issue
Symptom
Rinse aid is not being dispensed; dishes are wet and have poor sheeting.
Rinse Aid Injection Failure
Symptom
Rinse arms do not spray or rotate; final rinse appears weak or absent.
Rinse Arm Flow Failure
Symptom
Strong burning smell or visible smoke from the machine.
Electrical Overheating / Component Burnout
Symptom
Unpleasant odor from inside the dishmachine, especially when first opened.
Organic Odor / Biofilm Buildup
Symptom
Visible white film or spots on glassware and dishes after washing.
Lime Scale / Hard Water Deposits
Symptom
Wash arms do not spin during cycle; spray pattern is weak or stationary.
Wash Arm Rotation Failure
Symptom
Wash tank over-heats; water is excessively hot and may cause steam bursts when opening door.
Wash Tank Overheating
Symptom
Water backs up into the machine from the drain or sink when not running.
Drain Backflow / Siphoning
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Machine will not fill; display shows E1 shortly after start, wash pump does not run.
|
Fill Timeout / Low Water Level Fault | View Details |
| E10 |
Low water level detected during operation; display shows E10 and cycle may abort.
|
Low Water Level / Float Switch Fault | View Details |
| E11 |
Overfill condition; display shows E11 and machine may activate drain continuously.
|
Overfill / Flood Protection Fault | View Details |
| E12 |
Control communication or internal error; display shows E12 and machine may be unresponsive or locked.
|
Control Board Communication Fault | View Details |
| E13 |
Rinse pressure too low; display shows E13 and machine may not allow sanitizing cycle to continue.
|
Low Rinse Pressure Fault | View Details |
| E14 |
Rinse pressure too high; display shows E14 and machine may shut down rinse circuit.
|
High Rinse Pressure Fault | View Details |
| E15 |
Sanitizing failure; display shows E15 indicating final rinse temperature or time did not meet sanitizing requirements.
|
Sanitization Failure | View Details |
| E2 |
Machine fills but does not drain at end of cycle; display shows E2 and water remains in the tank.
|
Drain Timeout / Drain Failure | View Details |
| E3 |
Wash tank does not reach set temperature; display shows E3 and machine may stop or alarm.
|
Wash Tank Heat Failure | View Details |
| E4 |
Booster heater does not reach sanitizing temperature; display shows E4 and machine may not allow cycle to continue.
|
Booster Heater Temperature Fault | View Details |
| E5 |
Final rinse temperature sensor error; display shows E5 and machine may lock out sanitizing cycles.
|
Rinse Temperature Probe Fault | View Details |
| E6 |
Door or hood switch error; display shows E6 and machine will not start a cycle.
|
Door/Hood Interlock Fault | View Details |
| E7 |
Wash pump overload or motor fault; display shows E7 and pump will not run or stops mid-cycle.
|
Wash Pump Motor Overload / Failure | View Details |
| E8 |
Rinse pump or rinse solenoid fault; display shows E8 and no final rinse water sprays.
|
Rinse Circuit Failure | View Details |
| E9 |
Chemical dispenser communication or output error; display shows E9 and detergent/rinse aid is not dispensed.
|
Chemical Dispenser Control Fault | View Details |
| – |
Booster heater over-heats; water flashes to steam at rinse nozzles.
|
Booster Overheating | View Details |
| – |
Cloudy glasses that clear when wiped with vinegar; etching marks on glassware.
|
Glass Etching / Chemical Damage | View Details |
| – |
Detergent is not being dispensed; wash water remains clear and greasy.
|
Detergent Injection Failure | View Details |
| – |
Dishes are clean but not drying; water remains on glasses and plates after cycle.
|
Poor Drying Performance | View Details |
| – |
Dishmachine will not power on; no lights or display, no response from controls.
|
No Power / Dead Control | View Details |
| – |
Door or hood is difficult to close or does not seal properly.
|
Door/Hood Alignment and Seal Issue | View Details |
| – |
High-pitched squealing or whine during operation.
|
Motor or Pump Bearing Wear | View Details |
| – |
Loud grinding or rattling noise from the machine during wash.
|
Mechanical Noise from Wash Pump / Impeller | View Details |
| – |
Machine does not drain at end of day; standing water remains in tank after pressing drain.
|
End-of-Day Drain Failure | View Details |
| – |
Machine drains immediately after filling and cannot maintain water level.
|
Continuous Draining / Drain Valve Stuck Open | View Details |
| – |
Machine fills and runs but dishes are not getting clean; heavy soil remains after cycle.
|
Poor Wash Performance | View Details |
| – |
Machine leaks water onto the floor during or after operation.
|
External Water Leak | View Details |
| – |
Machine powers on but will not start cycle when Start button is pressed.
|
Start Circuit / Interlock Inhibit | View Details |
| – |
Machine runs continuously and does not advance or stop at the end of the cycle.
|
Cycle Control / Timer Fault | View Details |
| – |
Machine stops mid-cycle and must be restarted manually.
|
Intermittent Power or Safety Interlock Trip | View Details |
| – |
Machine vibrates excessively or moves on the floor during operation.
|
Excessive Vibration / Installation Issue | View Details |
| – |
Rinse aid is not being dispensed; dishes are wet and have poor sheeting.
|
Rinse Aid Injection Failure | View Details |
| – |
Rinse arms do not spray or rotate; final rinse appears weak or absent.
|
Rinse Arm Flow Failure | View Details |
| – |
Strong burning smell or visible smoke from the machine.
|
Electrical Overheating / Component Burnout | View Details |
| – |
Unpleasant odor from inside the dishmachine, especially when first opened.
|
Organic Odor / Biofilm Buildup | View Details |
| – |
Visible white film or spots on glassware and dishes after washing.
|
Lime Scale / Hard Water Deposits | View Details |
| – |
Wash arms do not spin during cycle; spray pattern is weak or stationary.
|
Wash Arm Rotation Failure | View Details |
| – |
Wash tank over-heats; water is excessively hot and may cause steam bursts when opening door.
|
Wash Tank Overheating | View Details |
| – |
Water backs up into the machine from the drain or sink when not running.
|
Drain Backflow / Siphoning | View Details |
No matching codes found
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