Toshiba 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 Fault
E02
Microwave stops heating shortly after start and displays E02.
Magnetron Overheat Protection Trip
E03
The microwave runs but does not heat; the display shows E03 after a few seconds.
High-Voltage Circuit Failure
E04
The microwave stops mid-cycle and displays E04; sometimes accompanied by a burning smell.
Cavity Temperature Sensor/Thermistor Fault
E05
The microwave will not start and displays E05; sometimes appearing after a power surge.
Control PCB Communication/Internal Error
E06
The microwave beeps and shows E06; the turntable does not rotate, and heating may stop.
Turntable Motor/Rotation Sensor Error
E07
The microwave shows E07 and will not start; the fan may run briefly then stop.
Cooling Fan Feedback/Airflow Error
E08
The microwave displays E08 and does not heat; sometimes accompanied by unusual humming.
Inverter Power Module Fault (Inverter Models)
E09
The microwave shows E09 and beeps; the keypad and display may freeze intermittently.
Keypad/Touch Control Panel Error
E10
The microwave displays E10 and will not start; the interior light may flicker.
Low Line Voltage/Power Supply Error
E11
The microwave shows E11 and stops heating; grill or convection functions may still work on combo models.
Magnetron Current Sense Error
E12
On Toshiba convection microwaves, E12 appears when using convection or combination modes; the fan may run but no heat is produced.
Convection Heater/Temperature Sensor Fault
E13
On Toshiba sensor-cook models, E13 appears when starting sensor cooking or reheating; the oven may stop after a few seconds.
Humidity / Steam Sensor Error
E14
The microwave shows E14 and will not start; sometimes after a door slam or impact.
Door Latch Mechanism / Alignment Error
E15
The microwave displays E15 and beeps continuously until unplugged.
Stuck Key / Continuous Input Error
H97
The microwave stops heating and displays H97; the unit may still power on and respond to buttons.
Inverter / Magnetron Drive Error (High Voltage Protection)
H98
The microwave will not heat and displays H98 shortly after pressing START.
High Voltage / Magnetron Protection Error
H99
The microwave intermittently stops heating and shows H99; it may work again after cooling.
Intermittent High Voltage / Overheat Protection
Symptom
Microwave clock resets or display blinks after each use or when opening the door.
Intermittent Power / Control Board Power Supply Issue
Symptom
Microwave display is dim, flickering, or some segments are missing.
Display / VFD / LED Module Degradation
Symptom
Microwave door will not open or is very hard to open after cooking.
Door Latch / Release Mechanism Jammed
Symptom
Microwave door will not stay closed or pops open during cooking.
Door Latch Retention Failure
Symptom
Microwave emits a burning or electrical smell during or after use.
Overheating Component or Food Residue Burning
Symptom
Microwave interior light does not turn on, but heating and other functions work normally.
Interior Lamp Failure
Symptom
Microwave interior light, fan, and turntable come on when the door is closed, even without pressing START.
Door Switch Contact Welded / Miswired
Symptom
Microwave is excessively noisy during operation (rattling, vibration, or fan noise).
Mechanical Vibration / Fan Noise
Symptom
Microwave keypad buttons do not respond or respond intermittently.
Keypad / Touch Panel Failure
Symptom
Microwave leaks water or condensation onto the counter or inside the door.
Condensation / Drainage Issue
Symptom
Microwave makes a grinding or scraping noise when the turntable rotates.
Turntable Mechanical Noise
Symptom
Microwave makes loud buzzing or humming noise when heating, louder than usual.
Noisy High Voltage Transformer / Magnetron
Symptom
Microwave takes much longer than usual to heat food.
Reduced Heating Power
Symptom
Microwave trips the household circuit breaker or blows a fuse when starting.
Short Circuit / Overcurrent on Startup
Symptom
Microwave turntable does not rotate, but heating still works.
Turntable Drive Failure
Symptom
On Toshiba convection models, convection fan does not run and convection cooking is uneven or fails.
Convection Fan Failure
Symptom
On Toshiba grill models, grill element does not glow red and food does not brown.
Grill Heater Failure
Symptom
The microwave display is on but the START button does nothing; the oven will not run.
No Start – Door Interlock / Keypad Logic Issue
Symptom
The microwave is completely dead – no display, no lights, no response when plugged in.
No Power – Line Fuse / Power Supply Failure
Symptom
The microwave runs (light on, turntable rotating, fan running) but food does not heat at all.
No Heat – Magnetron / High Voltage Failure
Symptom
The microwave runs for a few seconds then shuts off completely, sometimes restarting after a short pause.
Intermittent Power Loss – Overheat or Loose Connection
Symptom
Visible sparks or arcing inside the microwave cavity during cooking.
Cavity Arcing / Waveguide Contamination
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Microwave will not start; display shows E01 immediately after pressing START.
|
Door Interlock Switch Fault | View Details |
| E02 |
Microwave stops heating shortly after start and displays E02.
|
Magnetron Overheat Protection Trip | View Details |
| E03 |
The microwave runs but does not heat; the display shows E03 after a few seconds.
|
High-Voltage Circuit Failure | View Details |
| E04 |
The microwave stops mid-cycle and displays E04; sometimes accompanied by a burning smell.
|
Cavity Temperature Sensor/Thermistor Fault | View Details |
| E05 |
The microwave will not start and displays E05; sometimes appearing after a power surge.
|
Control PCB Communication/Internal Error | View Details |
| E06 |
The microwave beeps and shows E06; the turntable does not rotate, and heating may stop.
|
Turntable Motor/Rotation Sensor Error | View Details |
| E07 |
The microwave shows E07 and will not start; the fan may run briefly then stop.
|
Cooling Fan Feedback/Airflow Error | View Details |
| E08 |
The microwave displays E08 and does not heat; sometimes accompanied by unusual humming.
|
Inverter Power Module Fault (Inverter Models) | View Details |
| E09 |
The microwave shows E09 and beeps; the keypad and display may freeze intermittently.
|
Keypad/Touch Control Panel Error | View Details |
| E10 |
The microwave displays E10 and will not start; the interior light may flicker.
|
Low Line Voltage/Power Supply Error | View Details |
| E11 |
The microwave shows E11 and stops heating; grill or convection functions may still work on combo models.
|
Magnetron Current Sense Error | View Details |
| E12 |
On Toshiba convection microwaves, E12 appears when using convection or combination modes; the fan may run but no heat is produced.
|
Convection Heater/Temperature Sensor Fault | View Details |
| E13 |
On Toshiba sensor-cook models, E13 appears when starting sensor cooking or reheating; the oven may stop after a few seconds.
|
Humidity / Steam Sensor Error | View Details |
| E14 |
The microwave shows E14 and will not start; sometimes after a door slam or impact.
|
Door Latch Mechanism / Alignment Error | View Details |
| E15 |
The microwave displays E15 and beeps continuously until unplugged.
|
Stuck Key / Continuous Input Error | View Details |
| H97 |
The microwave stops heating and displays H97; the unit may still power on and respond to buttons.
|
Inverter / Magnetron Drive Error (High Voltage Protection) | View Details |
| H98 |
The microwave will not heat and displays H98 shortly after pressing START.
|
High Voltage / Magnetron Protection Error | View Details |
| H99 |
The microwave intermittently stops heating and shows H99; it may work again after cooling.
|
Intermittent High Voltage / Overheat Protection | View Details |
| – |
Microwave clock resets or display blinks after each use or when opening the door.
|
Intermittent Power / Control Board Power Supply Issue | View Details |
| – |
Microwave display is dim, flickering, or some segments are missing.
|
Display / VFD / LED Module Degradation | View Details |
| – |
Microwave door will not open or is very hard to open after cooking.
|
Door Latch / Release Mechanism Jammed | View Details |
| – |
Microwave door will not stay closed or pops open during cooking.
|
Door Latch Retention Failure | View Details |
| – |
Microwave emits a burning or electrical smell during or after use.
|
Overheating Component or Food Residue Burning | View Details |
| – |
Microwave interior light does not turn on, but heating and other functions work normally.
|
Interior Lamp Failure | View Details |
| – |
Microwave interior light, fan, and turntable come on when the door is closed, even without pressing START.
|
Door Switch Contact Welded / Miswired | View Details |
| – |
Microwave is excessively noisy during operation (rattling, vibration, or fan noise).
|
Mechanical Vibration / Fan Noise | View Details |
| – |
Microwave keypad buttons do not respond or respond intermittently.
|
Keypad / Touch Panel Failure | View Details |
| – |
Microwave leaks water or condensation onto the counter or inside the door.
|
Condensation / Drainage Issue | View Details |
| – |
Microwave makes a grinding or scraping noise when the turntable rotates.
|
Turntable Mechanical Noise | View Details |
| – |
Microwave makes loud buzzing or humming noise when heating, louder than usual.
|
Noisy High Voltage Transformer / Magnetron | View Details |
| – |
Microwave takes much longer than usual to heat food.
|
Reduced Heating Power | View Details |
| – |
Microwave trips the household circuit breaker or blows a fuse when starting.
|
Short Circuit / Overcurrent on Startup | View Details |
| – |
Microwave turntable does not rotate, but heating still works.
|
Turntable Drive Failure | View Details |
| – |
On Toshiba convection models, convection fan does not run and convection cooking is uneven or fails.
|
Convection Fan Failure | View Details |
| – |
On Toshiba grill models, grill element does not glow red and food does not brown.
|
Grill Heater Failure | View Details |
| – |
The microwave display is on but the START button does nothing; the oven will not run.
|
No Start – Door Interlock / Keypad Logic Issue | View Details |
| – |
The microwave is completely dead – no display, no lights, no response when plugged in.
|
No Power – Line Fuse / Power Supply Failure | View Details |
| – |
The microwave runs (light on, turntable rotating, fan running) but food does not heat at all.
|
No Heat – Magnetron / High Voltage Failure | View Details |
| – |
The microwave runs for a few seconds then shuts off completely, sometimes restarting after a short pause.
|
Intermittent Power Loss – Overheat or Loose Connection | View Details |
| – |
Visible sparks or arcing inside the microwave cavity during cooking.
|
Cavity Arcing / Waveguide Contamination | View Details |
No matching codes found
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