Insignia 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
Microwave will not start; display shows E01 immediately after pressing START.
Door Interlock Switch Failure
E02
Microwave stops heating shortly after start and displays E02 on the control panel.
Magnetron Overheat or Magnetron Failure
E03
Microwave does not heat, runs normally (light and fan on), and displays E03 after a few seconds.
High Voltage System Failure
E04
Microwave beeps and shows E04; turntable and light do not come on; unit will not start.
Control Board Keypad Communication Error
E05
Microwave displays E05 and stops cooking; may occur during longer cook cycles.
Cavity Temperature Sensor Error
E06
Microwave shows E06 and will not start; sometimes occurs after a power surge or outage.
Low Voltage or Power Supply Error
E07
Microwave displays E07 and stops; turntable may not rotate; fan may stop unexpectedly.
Cooling Fan Motor Error
E08
Microwave shows E08 and will not start; interior light may come on but no cooking begins.
Door Latch or Door Sensing Error
E09
Microwave displays E09 and stops; may occur when using sensor cook or reheat functions.
Humidity / Steam Sensor Error
E10
Microwave shows E10 and beeps; some buttons may not respond or respond intermittently.
Keypad / Touchpad Failure
E11
Microwave displays E11 and will not start; clock and display otherwise appear normal.
Child Lock / Control Lock Error or Stuck Key
E12
Microwave shows E12 and stops; may occur when using convection or grill functions on combo models.
Convection Heater or Fan Error (Combo Models)
E13
Microwave displays E13 and beeps; interior light may flash; unit will not start.
Turntable Motor or Position Sensor Error
E14
Microwave shows E14 and shuts down; may occur after extended cooking or repeated use.
Magnetron Thermal Cutout Trip
E15
Microwave displays E15 and will not accept new settings; display may be frozen.
Control Board Software or EEPROM Error
Symptom
Microwave clock and settings reset every time the door is opened or when cooking ends.
Intermittent Power Loss to Control Board
Symptom
Microwave display is dim, flickering, or partially unreadable, but cooking still works.
Display Module or Control Board Backlight Failure
Symptom
Microwave door will not open or is difficult to open; door release button feels stuck or loose.
Door Latch or Release Mechanism Failure
Symptom
Microwave door will not stay closed or pops open during cooking.
Door Alignment or Latch Retention Failure
Symptom
Microwave emits a burning smell, plastic smell, or electrical odor during or after use.
Overheating Component or Cavity Contamination
Symptom
Microwave has power and display works, but pressing START does nothing; timer does not count down.
Start Circuit or Door Interlock Logic Fault
Symptom
Microwave interior light does not come on when cooking or when the door is opened, but the unit heats normally.
Cavity Lamp Failure
Symptom
Microwave interior light, fan, and turntable run when the door is closed, even without pressing START.
Door Switch or Relay Stuck ON
Symptom
Microwave intermittently stops during cooking and then resumes, or stops and clears the timer.
Intermittent Door Switch or Overheat Protection Trip
Symptom
Microwave is excessively loud during operation, with rattling or vibration noises.
Mechanical Vibration or Loose Components
Symptom
Microwave leaks water or condensation onto the counter or inside the door after cooking.
Condensation Management or Door Seal Issue
Symptom
Microwave makes a crackling, popping, or arcing sound inside the cavity during cooking; visible sparks may appear.
Cavity Arcing or Waveguide Contamination
Symptom
Microwave makes loud buzzing or humming noise while running, louder than normal, with reduced or no heating.
Noisy Magnetron or High Voltage Transformer
Symptom
Microwave over-the-range model cooktop light does not work or is stuck on.
Cooktop Lamp or Relay Failure (OTR Models)
Symptom
Microwave over-the-range model exhaust fan does not run or runs only at one speed.
Exhaust / Vent Fan Failure (OTR Models)
Symptom
Microwave runs but does not heat food; turntable rotates and light is on, but food remains cold.
No Heat – High Voltage Circuit Failure
Symptom
Microwave sensor cook or reheat functions consistently undercook or overcook food without showing an error code.
Sensor Calibration or Humidity Sensor Drift
Symptom
Microwave trips the household breaker or blows a fuse when starting a cook cycle.
Short Circuit or Overcurrent on Startup
Symptom
Microwave turntable does not rotate, but the unit heats normally.
Turntable Drive Failure
Symptom
Microwave will not start at all; display is blank and no lights or sounds occur when door is opened.
No Power – Line Fuse or Power Supply Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Microwave will not start; display shows E01 immediately after pressing START.
|
Door Interlock Switch Failure | View Details |
| E02 |
Microwave stops heating shortly after start and displays E02 on the control panel.
|
Magnetron Overheat or Magnetron Failure | View Details |
| E03 |
Microwave does not heat, runs normally (light and fan on), and displays E03 after a few seconds.
|
High Voltage System Failure | View Details |
| E04 |
Microwave beeps and shows E04; turntable and light do not come on; unit will not start.
|
Control Board Keypad Communication Error | View Details |
| E05 |
Microwave displays E05 and stops cooking; may occur during longer cook cycles.
|
Cavity Temperature Sensor Error | View Details |
| E06 |
Microwave shows E06 and will not start; sometimes occurs after a power surge or outage.
|
Low Voltage or Power Supply Error | View Details |
| E07 |
Microwave displays E07 and stops; turntable may not rotate; fan may stop unexpectedly.
|
Cooling Fan Motor Error | View Details |
| E08 |
Microwave shows E08 and will not start; interior light may come on but no cooking begins.
|
Door Latch or Door Sensing Error | View Details |
| E09 |
Microwave displays E09 and stops; may occur when using sensor cook or reheat functions.
|
Humidity / Steam Sensor Error | View Details |
| E10 |
Microwave shows E10 and beeps; some buttons may not respond or respond intermittently.
|
Keypad / Touchpad Failure | View Details |
| E11 |
Microwave displays E11 and will not start; clock and display otherwise appear normal.
|
Child Lock / Control Lock Error or Stuck Key | View Details |
| E12 |
Microwave shows E12 and stops; may occur when using convection or grill functions on combo models.
|
Convection Heater or Fan Error (Combo Models) | View Details |
| E13 |
Microwave displays E13 and beeps; interior light may flash; unit will not start.
|
Turntable Motor or Position Sensor Error | View Details |
| E14 |
Microwave shows E14 and shuts down; may occur after extended cooking or repeated use.
|
Magnetron Thermal Cutout Trip | View Details |
| E15 |
Microwave displays E15 and will not accept new settings; display may be frozen.
|
Control Board Software or EEPROM Error | View Details |
| – |
Microwave clock and settings reset every time the door is opened or when cooking ends.
|
Intermittent Power Loss to Control Board | View Details |
| – |
Microwave display is dim, flickering, or partially unreadable, but cooking still works.
|
Display Module or Control Board Backlight Failure | View Details |
| – |
Microwave door will not open or is difficult to open; door release button feels stuck or loose.
|
Door Latch or Release Mechanism Failure | View Details |
| – |
Microwave door will not stay closed or pops open during cooking.
|
Door Alignment or Latch Retention Failure | View Details |
| – |
Microwave emits a burning smell, plastic smell, or electrical odor during or after use.
|
Overheating Component or Cavity Contamination | View Details |
| – |
Microwave has power and display works, but pressing START does nothing; timer does not count down.
|
Start Circuit or Door Interlock Logic Fault | View Details |
| – |
Microwave interior light does not come on when cooking or when the door is opened, but the unit heats normally.
|
Cavity Lamp Failure | View Details |
| – |
Microwave interior light, fan, and turntable run when the door is closed, even without pressing START.
|
Door Switch or Relay Stuck ON | View Details |
| – |
Microwave intermittently stops during cooking and then resumes, or stops and clears the timer.
|
Intermittent Door Switch or Overheat Protection Trip | View Details |
| – |
Microwave is excessively loud during operation, with rattling or vibration noises.
|
Mechanical Vibration or Loose Components | View Details |
| – |
Microwave leaks water or condensation onto the counter or inside the door after cooking.
|
Condensation Management or Door Seal Issue | View Details |
| – |
Microwave makes a crackling, popping, or arcing sound inside the cavity during cooking; visible sparks may appear.
|
Cavity Arcing or Waveguide Contamination | View Details |
| – |
Microwave makes loud buzzing or humming noise while running, louder than normal, with reduced or no heating.
|
Noisy Magnetron or High Voltage Transformer | View Details |
| – |
Microwave over-the-range model cooktop light does not work or is stuck on.
|
Cooktop Lamp or Relay Failure (OTR Models) | View Details |
| – |
Microwave over-the-range model exhaust fan does not run or runs only at one speed.
|
Exhaust / Vent Fan Failure (OTR Models) | View Details |
| – |
Microwave runs but does not heat food; turntable rotates and light is on, but food remains cold.
|
No Heat – High Voltage Circuit Failure | View Details |
| – |
Microwave sensor cook or reheat functions consistently undercook or overcook food without showing an error code.
|
Sensor Calibration or Humidity Sensor Drift | View Details |
| – |
Microwave trips the household breaker or blows a fuse when starting a cook cycle.
|
Short Circuit or Overcurrent on Startup | View Details |
| – |
Microwave turntable does not rotate, but the unit heats normally.
|
Turntable Drive Failure | View Details |
| – |
Microwave will not start at all; display is blank and no lights or sounds occur when door is opened.
|
No Power – Line Fuse or Power Supply Failure | View Details |
No matching codes found
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