OK
OK Microwaves Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E01
The microwave will not start; the display works, but pressing START does nothing or beeps three times.
Door Interlock Safety Circuit Fault
E02
The microwave stops a few seconds after pressing START and displays E02.
Door Sensing / Monitor Switch Error
E03
The microwave runs but produces no heat; E03 appears after a short time.
Magnetron / High Voltage System Failure
E04
The microwave stops during cooking and displays E04; it may also trip the household breaker.
Overcurrent / Short Circuit Protection Trip
E05
Microwave displays E05 and will not start; sometimes appears after a power surge.
Control PCB Power Supply Fault
E06
Microwave shows E06 and beeps; the keypad does not respond correctly, or random buttons activate.
Keypad / Touch Panel Communication Error
E07
Microwave displays E07 and stops; the internal cooling fan may not run.
Magnetron / Cavity Overheat Protection
E08
Microwave shows E08 and will not start; this is often associated with grill or convection models.
Grill / Convection Heater Overheat or Open Circuit
E09
Microwave displays E09; the turntable does not rotate during cooking.
Turntable Motor Drive Error
E10
Microwave shows E10 and beeps; the interior light may stay on even with the door closed.
Stuck Relay or Control Output Fault
E11
Microwave displays E11; the clock and basic functions work, but cooking cannot be started.
Child Lock / Safety Lock Circuit Error
E12
Microwave shows E12; the fan may run briefly then stop; no heating.
Inverter Power Module Fault (Inverter Models)
E13
Microwave displays E13; the interior light and fan may not operate.
Low Voltage Supply or Relay Drive Error
E14
Microwave shows E14; sensor cooking functions do not work.
Humidity / Steam Sensor Error
E15
Microwave displays E15; the convection fan may not run in convection mode.
Convection Fan Motor Fault
E16
Microwave shows E16; the interior light and fan may run, but no heating occurs intermittently.
Intermittent Door Interlock / Safety Chain Fault
E17
Microwave displays E17; a loud humming noise occurs when attempting to cook, then stops.
High Voltage Transformer Overload / Short Detection
E18
Microwave shows E18; the interior light flickers, and the unit may shut down unexpectedly.
Line Voltage / Power Input Error
E19
Microwave displays E19; the time counts down, but food remains cold.
Power Relay / Heating Relay Fault
E20
Microwave shows E20; the grill function does not operate, but microwave heating is normal.
Grill Circuit Control Error
Symptom
Microwave clock resets or the unit restarts randomly during cooking.
Intermittent Power Loss or Control Reset
Symptom
Microwave convection or grill mode takes a very long time to reach temperature or does not brown food.
Reduced Grill / Convection Heating Performance
Symptom
Microwave fan runs continuously even when not cooking.
Stuck Cooling Fan Relay or Overheat Condition
Symptom
Microwave keypad is unresponsive; no buttons work, but the display may be lit.
Total Keypad / Control Input Failure
Symptom
Microwave light does not turn on, but cooking works normally.
Cavity Lamp Failure
Symptom
Microwave sparks inside the cavity during cooking, with arcing sounds or bright flashes.
Cavity Arcing / Waveguide Contamination or Damage
Symptom
Microwave trips the household circuit breaker or blows a fuse when starting.
Short Circuit or Inrush Overload
Symptom
The microwave display is dim, flickering, or has partially missing segments.
Display / VFD or LED Driver Fault
Symptom
The microwave display works, but the START button does not respond; other buttons may work.
Partial Keypad / Membrane Failure
Symptom
The microwave does not power on at all; the display is blank, and there are no lights or sounds.
No Power / Main Fuse or Power Input Failure
Symptom
The microwave door will not close fully, and the unit will not start.
Door Misalignment / Latch Engagement Failure
Symptom
The microwave door will not open or is very hard to open after cooking.
Door Latch / Release Mechanism Failure
Symptom
The microwave emits a burning smell or smoke during operation.
Overheating Component or Cavity Contamination
Symptom
The microwave interior light, fan, and turntable run when the door is opened.
Door Interlock / Monitor Switch Miswiring or Failure
Symptom
The microwave is excessively noisy, with rattling, grinding, or scraping sounds.
Mechanical Noise from Fan, Turntable, or Cavity Components
Symptom
The microwave leaks water or condensation onto the counter or inside the door.
Condensation Management / Door Seal Issue
Symptom
The microwave makes a loud buzzing or humming noise during operation, louder than usual.
High Voltage Component Noise / Partial Short
Symptom
The microwave runs but does not heat food; the turntable and light work normally.
No Heat / High Voltage System Failure
Symptom
The microwave runs for a few seconds then stops with no error code; the display remains on.
Thermal Cutout or Door Interlock Interruption
Symptom
The microwave turntable does not rotate, but heating still works.
Turntable Drive Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
The microwave will not start; the display works, but pressing START does nothing or beeps three times.
|
Door Interlock Safety Circuit Fault | View Details |
| E02 |
The microwave stops a few seconds after pressing START and displays E02.
|
Door Sensing / Monitor Switch Error | View Details |
| E03 |
The microwave runs but produces no heat; E03 appears after a short time.
|
Magnetron / High Voltage System Failure | View Details |
| E04 |
The microwave stops during cooking and displays E04; it may also trip the household breaker.
|
Overcurrent / Short Circuit Protection Trip | View Details |
| E05 |
Microwave displays E05 and will not start; sometimes appears after a power surge.
|
Control PCB Power Supply Fault | View Details |
| E06 |
Microwave shows E06 and beeps; the keypad does not respond correctly, or random buttons activate.
|
Keypad / Touch Panel Communication Error | View Details |
| E07 |
Microwave displays E07 and stops; the internal cooling fan may not run.
|
Magnetron / Cavity Overheat Protection | View Details |
| E08 |
Microwave shows E08 and will not start; this is often associated with grill or convection models.
|
Grill / Convection Heater Overheat or Open Circuit | View Details |
| E09 |
Microwave displays E09; the turntable does not rotate during cooking.
|
Turntable Motor Drive Error | View Details |
| E10 |
Microwave shows E10 and beeps; the interior light may stay on even with the door closed.
|
Stuck Relay or Control Output Fault | View Details |
| E11 |
Microwave displays E11; the clock and basic functions work, but cooking cannot be started.
|
Child Lock / Safety Lock Circuit Error | View Details |
| E12 |
Microwave shows E12; the fan may run briefly then stop; no heating.
|
Inverter Power Module Fault (Inverter Models) | View Details |
| E13 |
Microwave displays E13; the interior light and fan may not operate.
|
Low Voltage Supply or Relay Drive Error | View Details |
| E14 |
Microwave shows E14; sensor cooking functions do not work.
|
Humidity / Steam Sensor Error | View Details |
| E15 |
Microwave displays E15; the convection fan may not run in convection mode.
|
Convection Fan Motor Fault | View Details |
| E16 |
Microwave shows E16; the interior light and fan may run, but no heating occurs intermittently.
|
Intermittent Door Interlock / Safety Chain Fault | View Details |
| E17 |
Microwave displays E17; a loud humming noise occurs when attempting to cook, then stops.
|
High Voltage Transformer Overload / Short Detection | View Details |
| E18 |
Microwave shows E18; the interior light flickers, and the unit may shut down unexpectedly.
|
Line Voltage / Power Input Error | View Details |
| E19 |
Microwave displays E19; the time counts down, but food remains cold.
|
Power Relay / Heating Relay Fault | View Details |
| E20 |
Microwave shows E20; the grill function does not operate, but microwave heating is normal.
|
Grill Circuit Control Error | View Details |
| – |
Microwave clock resets or the unit restarts randomly during cooking.
|
Intermittent Power Loss or Control Reset | View Details |
| – |
Microwave convection or grill mode takes a very long time to reach temperature or does not brown food.
|
Reduced Grill / Convection Heating Performance | View Details |
| – |
Microwave fan runs continuously even when not cooking.
|
Stuck Cooling Fan Relay or Overheat Condition | View Details |
| – |
Microwave keypad is unresponsive; no buttons work, but the display may be lit.
|
Total Keypad / Control Input Failure | View Details |
| – |
Microwave light does not turn on, but cooking works normally.
|
Cavity Lamp Failure | View Details |
| – |
Microwave sparks inside the cavity during cooking, with arcing sounds or bright flashes.
|
Cavity Arcing / Waveguide Contamination or Damage | View Details |
| – |
Microwave trips the household circuit breaker or blows a fuse when starting.
|
Short Circuit or Inrush Overload | View Details |
| – |
The microwave display is dim, flickering, or has partially missing segments.
|
Display / VFD or LED Driver Fault | View Details |
| – |
The microwave display works, but the START button does not respond; other buttons may work.
|
Partial Keypad / Membrane Failure | View Details |
| – |
The microwave does not power on at all; the display is blank, and there are no lights or sounds.
|
No Power / Main Fuse or Power Input Failure | View Details |
| – |
The microwave door will not close fully, and the unit will not start.
|
Door Misalignment / Latch Engagement Failure | View Details |
| – |
The microwave door will not open or is very hard to open after cooking.
|
Door Latch / Release Mechanism Failure | View Details |
| – |
The microwave emits a burning smell or smoke during operation.
|
Overheating Component or Cavity Contamination | View Details |
| – |
The microwave interior light, fan, and turntable run when the door is opened.
|
Door Interlock / Monitor Switch Miswiring or Failure | View Details |
| – |
The microwave is excessively noisy, with rattling, grinding, or scraping sounds.
|
Mechanical Noise from Fan, Turntable, or Cavity Components | View Details |
| – |
The microwave leaks water or condensation onto the counter or inside the door.
|
Condensation Management / Door Seal Issue | View Details |
| – |
The microwave makes a loud buzzing or humming noise during operation, louder than usual.
|
High Voltage Component Noise / Partial Short | View Details |
| – |
The microwave runs but does not heat food; the turntable and light work normally.
|
No Heat / High Voltage System Failure | View Details |
| – |
The microwave runs for a few seconds then stops with no error code; the display remains on.
|
Thermal Cutout or Door Interlock Interruption | View Details |
| – |
The microwave turntable does not rotate, but heating still works.
|
Turntable Drive Failure | View Details |
No matching codes found
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