Telefunken 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 works, but pressing START does nothing or beeps three times and shows E01.
Door Interlock Safety Circuit Fault
E02
Microwave stops heating shortly after start and displays E02 or beeps continuously with E02 on the Telefunken display.
Magnetron Overheat / Thermal Cutout Trip
E03
Microwave runs (light and fan on) but does not heat food; after a short time, E03 appears on the display.
High Voltage System Failure (Magnetron / Inverter / HV Transformer)
E04
Microwave display shows E04 and the turntable does not rotate; sometimes a grinding noise is heard from the bottom.
Turntable Motor or Turntable Sensor Fault
E05
Microwave stops during cooking and displays E05; cooling fan may continue to run for a while.
Cavity Overheat / Cavity Thermostat Trip
E06
Microwave display shows E06 and the unit will not start; keypad and clock may still function.
Control Board Communication / Relay Fault
E07
Microwave shows E07 and beeps; grill or convection functions (if equipped) do not start.
Grill / Convection Heater Circuit Fault
E08
Microwave displays E08 and the interior light and fan do not come on when starting a cycle.
Low Voltage Power Supply Fault
E09
Microwave shows E09 and the clock resets randomly or the display flickers during operation.
Unstable Control Voltage / Power Supply Regulation Fault
E10
Microwave displays E10 and the keypad does not respond or responds intermittently.
Keypad / Touch Panel Communication Fault
E11
Microwave shows E11 and stops heating when using sensor cook or auto programs; manual time mode may still work.
Humidity / Steam Sensor Fault
E12
Microwave displays E12 and convection temperature cannot be set or is inaccurate on Telefunken combination models.
Convection Temperature Sensor (NTC) Fault
E13
Microwave shows E13 and stops immediately when starting a grill or convection cycle.
Heater Overheat Protection Trip
E14
Microwave displays E14 and the interior light remains off even when the door is open; unit may not start.
Door Sensing / Monitor Switch Fault
E15
Microwave shows E15 and makes a loud humming noise without heating.
High Voltage Diode or Capacitor Failure
E16
Microwave displays E16 and the unit shuts down a few seconds after pressing START.
Inverter Module Protection (Inverter Models)
E17
Microwave shows E17 and the clock or timer cannot be set; buttons may beep but values do not change.
Control Panel Input Processing Fault
E18
Microwave displays E18 and emits a continuous beep; door may not unlock on some models with child lock.
Child Lock / Safety Lock Circuit Error
E19
Microwave shows E19 and the interior light stays on even when the door is closed; unit may refuse to start.
Door Closed Detection Fault
E20
Microwave displays E20 and makes a sparking or arcing sound inside the cavity when running.
Waveguide / Cavity Arcing Protection Error
Symptom
Microwave auto-cook or sensor programs consistently overcook or undercook food.
Sensor Cooking Calibration Issue
Symptom
Microwave convection or grill function does not reach or maintain the set temperature.
Insufficient Heating in Convection/Grill Mode
Symptom
Microwave display is dim, flickering, or segments are missing.
Display Module / Backlight Failure
Symptom
Microwave does not power on at all; display is blank and no lights or sounds from the Telefunken unit.
No Power – Primary Power Circuit Failure
Symptom
Microwave door is difficult to open or the door button sticks.
Door Release Mechanism Binding
Symptom
Microwave door will not close properly or pops open during operation.
Door Latch / Hinge Mechanical Failure
Symptom
Microwave emits a burning smell or smoke during operation.
Overheating or Component Burn
Symptom
Microwave emits a strong chemical or plastic smell when new or after long storage.
Off-Gassing of New Components / Dust Burn-Off
Symptom
Microwave exterior (top or sides) becomes excessively hot to the touch during normal use.
Inadequate Ventilation / Cooling Failure
Symptom
Microwave fan runs but the unit does not start heating; START button seems to do nothing.
Control Logic / Relay Activation Failure
Symptom
Microwave interior light does not come on, but the unit heats and otherwise works normally.
Interior Lamp Failure
Symptom
Microwave keypad buttons do not respond or respond only sometimes; display is on.
Unresponsive Keypad / Touch Panel
Symptom
Microwave leaks water or condensation onto the counter or inside the cabinet after use.
Condensation / Moisture Drainage Issue
Symptom
Microwave light, fan, and turntable run, but food heats very slowly compared to normal.
Reduced Output – Weak Magnetron or Power Supply
Symptom
Microwave makes loud buzzing, humming, or grinding noises during operation.
Abnormal Operating Noise
Symptom
Microwave produces visible sparks or arcing inside when heating certain foods or containers.
Cavity Arcing Due to Improper Load or Damage
Symptom
Microwave runs but does not heat food at all; no error code on Telefunken display.
No Heating – High Voltage System Failure
Symptom
Microwave runs with the door open or starts when the door is being closed.
Door Interlock Safety Failure
Symptom
Microwave trips the household circuit breaker or RCD when starting a heating cycle.
Short Circuit / Earth Leakage in Microwave
Symptom
Microwave turntable does not rotate, but heating still occurs; no error code on display.
Turntable Drive Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Microwave will not start; display works, but pressing START does nothing or beeps three times and shows E01.
|
Door Interlock Safety Circuit Fault | View Details |
| E02 |
Microwave stops heating shortly after start and displays E02 or beeps continuously with E02 on the Telefunken display.
|
Magnetron Overheat / Thermal Cutout Trip | View Details |
| E03 |
Microwave runs (light and fan on) but does not heat food; after a short time, E03 appears on the display.
|
High Voltage System Failure (Magnetron / Inverter / HV Transformer) | View Details |
| E04 |
Microwave display shows E04 and the turntable does not rotate; sometimes a grinding noise is heard from the bottom.
|
Turntable Motor or Turntable Sensor Fault | View Details |
| E05 |
Microwave stops during cooking and displays E05; cooling fan may continue to run for a while.
|
Cavity Overheat / Cavity Thermostat Trip | View Details |
| E06 |
Microwave display shows E06 and the unit will not start; keypad and clock may still function.
|
Control Board Communication / Relay Fault | View Details |
| E07 |
Microwave shows E07 and beeps; grill or convection functions (if equipped) do not start.
|
Grill / Convection Heater Circuit Fault | View Details |
| E08 |
Microwave displays E08 and the interior light and fan do not come on when starting a cycle.
|
Low Voltage Power Supply Fault | View Details |
| E09 |
Microwave shows E09 and the clock resets randomly or the display flickers during operation.
|
Unstable Control Voltage / Power Supply Regulation Fault | View Details |
| E10 |
Microwave displays E10 and the keypad does not respond or responds intermittently.
|
Keypad / Touch Panel Communication Fault | View Details |
| E11 |
Microwave shows E11 and stops heating when using sensor cook or auto programs; manual time mode may still work.
|
Humidity / Steam Sensor Fault | View Details |
| E12 |
Microwave displays E12 and convection temperature cannot be set or is inaccurate on Telefunken combination models.
|
Convection Temperature Sensor (NTC) Fault | View Details |
| E13 |
Microwave shows E13 and stops immediately when starting a grill or convection cycle.
|
Heater Overheat Protection Trip | View Details |
| E14 |
Microwave displays E14 and the interior light remains off even when the door is open; unit may not start.
|
Door Sensing / Monitor Switch Fault | View Details |
| E15 |
Microwave shows E15 and makes a loud humming noise without heating.
|
High Voltage Diode or Capacitor Failure | View Details |
| E16 |
Microwave displays E16 and the unit shuts down a few seconds after pressing START.
|
Inverter Module Protection (Inverter Models) | View Details |
| E17 |
Microwave shows E17 and the clock or timer cannot be set; buttons may beep but values do not change.
|
Control Panel Input Processing Fault | View Details |
| E18 |
Microwave displays E18 and emits a continuous beep; door may not unlock on some models with child lock.
|
Child Lock / Safety Lock Circuit Error | View Details |
| E19 |
Microwave shows E19 and the interior light stays on even when the door is closed; unit may refuse to start.
|
Door Closed Detection Fault | View Details |
| E20 |
Microwave displays E20 and makes a sparking or arcing sound inside the cavity when running.
|
Waveguide / Cavity Arcing Protection Error | View Details |
| – |
Microwave auto-cook or sensor programs consistently overcook or undercook food.
|
Sensor Cooking Calibration Issue | View Details |
| – |
Microwave convection or grill function does not reach or maintain the set temperature.
|
Insufficient Heating in Convection/Grill Mode | View Details |
| – |
Microwave display is dim, flickering, or segments are missing.
|
Display Module / Backlight Failure | View Details |
| – |
Microwave does not power on at all; display is blank and no lights or sounds from the Telefunken unit.
|
No Power – Primary Power Circuit Failure | View Details |
| – |
Microwave door is difficult to open or the door button sticks.
|
Door Release Mechanism Binding | View Details |
| – |
Microwave door will not close properly or pops open during operation.
|
Door Latch / Hinge Mechanical Failure | View Details |
| – |
Microwave emits a burning smell or smoke during operation.
|
Overheating or Component Burn | View Details |
| – |
Microwave emits a strong chemical or plastic smell when new or after long storage.
|
Off-Gassing of New Components / Dust Burn-Off | View Details |
| – |
Microwave exterior (top or sides) becomes excessively hot to the touch during normal use.
|
Inadequate Ventilation / Cooling Failure | View Details |
| – |
Microwave fan runs but the unit does not start heating; START button seems to do nothing.
|
Control Logic / Relay Activation Failure | View Details |
| – |
Microwave interior light does not come on, but the unit heats and otherwise works normally.
|
Interior Lamp Failure | View Details |
| – |
Microwave keypad buttons do not respond or respond only sometimes; display is on.
|
Unresponsive Keypad / Touch Panel | View Details |
| – |
Microwave leaks water or condensation onto the counter or inside the cabinet after use.
|
Condensation / Moisture Drainage Issue | View Details |
| – |
Microwave light, fan, and turntable run, but food heats very slowly compared to normal.
|
Reduced Output – Weak Magnetron or Power Supply | View Details |
| – |
Microwave makes loud buzzing, humming, or grinding noises during operation.
|
Abnormal Operating Noise | View Details |
| – |
Microwave produces visible sparks or arcing inside when heating certain foods or containers.
|
Cavity Arcing Due to Improper Load or Damage | View Details |
| – |
Microwave runs but does not heat food at all; no error code on Telefunken display.
|
No Heating – High Voltage System Failure | View Details |
| – |
Microwave runs with the door open or starts when the door is being closed.
|
Door Interlock Safety Failure | View Details |
| – |
Microwave trips the household circuit breaker or RCD when starting a heating cycle.
|
Short Circuit / Earth Leakage in Microwave | View Details |
| – |
Microwave turntable does not rotate, but heating still occurs; no error code on display.
|
Turntable Drive Failure | View Details |
No matching codes found
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