OBH Nordica Microwaves Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E1
Microwave will not start; display shows E1 immediately after pressing START.
Door Interlock Circuit Fault
E10
Microwave shows E10 and will not accept any input; the display may be frozen.
Control Board / Firmware Fault
E2
The microwave beeps and displays E2; the oven light and turntable may work, but there is no heating.
Temperature Sensor / Cavity Thermostat Fault
E3
The microwave stops heating shortly after starting and displays E3; the fan may continue running.
Magnetron Overheat / Magnetron Thermostat Fault
E4
The microwave displays E4 and will not start any cooking program.
Humidity / Steam Sensor Fault
E5
The microwave displays E5 and does not heat; the turntable and light may still operate.
High Voltage System Fault (Magnetron / Inverter / Transformer)
E6
The microwave displays E6, and the keypad or touch controls do not respond correctly.
Keypad / Touch Control Panel Communication Fault
E7
Microwave displays E7 and the turntable does not rotate during cooking.
Turntable Motor / Position Sensor Fault
E8
The microwave displays E8, and convection or grill functions do not operate (on combination models).
Convection Heater / Grill Element Fault
E9
The microwave displays E9 and stops mid-cycle; it is sometimes accompanied by a burning smell.
Cavity Overheat / Safety Thermostat Trip
Symptom
Microwave does not start at all; the display is blank, and there are no lights or sounds when plugging it in.
No Power / Primary Power Circuit Failure
Symptom
Microwave runs but does not heat food; the turntable and light work normally, and no error code is displayed.
No Microwave Output / Magnetron or HV Failure
Symptom
Microwave timer counts down, but the turntable, light, and fan do not run; no heating occurs.
Output Relay / Control Drive Failure
Symptom
On grill or convection modes, food does not brown or reach the set temperature.
Underperforming Grill / Convection System
Symptom
The microwave clock resets or the display blinks after each use or when opening the door.
Intermittent Power Loss / Loose Connection
Symptom
The microwave display is dim, flickering, or segments are missing, but the unit still heats.
Display Module / Low-Voltage Supply Issue
Symptom
The microwave display works, but pressing START does nothing; the timer does not count down.
Start Circuit / Door Interlock Logic Fault
Symptom
The microwave door will not open or is stuck closed after a cycle.
Door Latch / Release Mechanism Jam
Symptom
The microwave door will not stay closed; it pops open slightly, and the unit will not start.
Door Latch Misalignment / Worn Hooks
Symptom
The microwave emits a crackling or arcing sound inside the cavity; visible sparks may appear.
Cavity Arcing / Waveguide Contamination
Symptom
The microwave emits a strong burning or electrical smell during or after use.
Overheating Component or Cavity Contamination
Symptom
The microwave exterior gets very hot to the touch during normal use.
Inadequate Ventilation / Cooling System Issue
Symptom
The microwave fan continues to run for a very long time after cooking has finished.
Cooling Fan Overrun / Control Logic Issue
Symptom
The microwave interior light and fan run when the door is closed, even without pressing START.
Stuck Relay or Shorted Control Circuit
Symptom
The microwave interior light does not turn on, but heating and the turntable work normally.
Cavity Lamp Failure
Symptom
The microwave interior paint is peeling, or rust is visible inside the cavity.
Cavity Coating Degradation
Symptom
The microwave is excessively noisy, with rattling or grinding sounds during operation.
Mechanical Vibration / Fan or Turntable Noise
Symptom
The microwave keypad buttons are unresponsive or require very hard presses.
Worn Keypad Membrane
Symptom
The microwave leaks water or condensation onto the countertop or inside the door.
Condensation Management / Door Seal Issue
Symptom
The microwave makes a loud buzzing or humming noise when heating, louder than usual.
High Voltage Transformer or Magnetron Noise
Symptom
The microwave produces radio or Wi-Fi interference when operating.
EMI Suppression / Shielding Issue
Symptom
The microwave randomly starts beeping or flashing without user input.
Control Panel Sensitivity / Electrical Noise
Symptom
The microwave runs for a few seconds, then stops and resets to the clock without heating.
Intermittent Door Switch or Overheat Protection Trip
Symptom
The microwave trips the household circuit breaker or blows the fuse when starting a cooking cycle.
Short Circuit / Overcurrent on Start
Symptom
The turntable does not rotate, but the microwave heats food unevenly; no error code is displayed.
Turntable Drive Failure
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Microwave will not start; display shows E1 immediately after pressing START.
|
Door Interlock Circuit Fault | View Details |
| E10 |
Microwave shows E10 and will not accept any input; the display may be frozen.
|
Control Board / Firmware Fault | View Details |
| E2 |
The microwave beeps and displays E2; the oven light and turntable may work, but there is no heating.
|
Temperature Sensor / Cavity Thermostat Fault | View Details |
| E3 |
The microwave stops heating shortly after starting and displays E3; the fan may continue running.
|
Magnetron Overheat / Magnetron Thermostat Fault | View Details |
| E4 |
The microwave displays E4 and will not start any cooking program.
|
Humidity / Steam Sensor Fault | View Details |
| E5 |
The microwave displays E5 and does not heat; the turntable and light may still operate.
|
High Voltage System Fault (Magnetron / Inverter / Transformer) | View Details |
| E6 |
The microwave displays E6, and the keypad or touch controls do not respond correctly.
|
Keypad / Touch Control Panel Communication Fault | View Details |
| E7 |
Microwave displays E7 and the turntable does not rotate during cooking.
|
Turntable Motor / Position Sensor Fault | View Details |
| E8 |
The microwave displays E8, and convection or grill functions do not operate (on combination models).
|
Convection Heater / Grill Element Fault | View Details |
| E9 |
The microwave displays E9 and stops mid-cycle; it is sometimes accompanied by a burning smell.
|
Cavity Overheat / Safety Thermostat Trip | View Details |
| – |
Microwave does not start at all; the display is blank, and there are no lights or sounds when plugging it in.
|
No Power / Primary Power Circuit Failure | View Details |
| – |
Microwave runs but does not heat food; the turntable and light work normally, and no error code is displayed.
|
No Microwave Output / Magnetron or HV Failure | View Details |
| – |
Microwave timer counts down, but the turntable, light, and fan do not run; no heating occurs.
|
Output Relay / Control Drive Failure | View Details |
| – |
On grill or convection modes, food does not brown or reach the set temperature.
|
Underperforming Grill / Convection System | View Details |
| – |
The microwave clock resets or the display blinks after each use or when opening the door.
|
Intermittent Power Loss / Loose Connection | View Details |
| – |
The microwave display is dim, flickering, or segments are missing, but the unit still heats.
|
Display Module / Low-Voltage Supply Issue | View Details |
| – |
The microwave display works, but pressing START does nothing; the timer does not count down.
|
Start Circuit / Door Interlock Logic Fault | View Details |
| – |
The microwave door will not open or is stuck closed after a cycle.
|
Door Latch / Release Mechanism Jam | View Details |
| – |
The microwave door will not stay closed; it pops open slightly, and the unit will not start.
|
Door Latch Misalignment / Worn Hooks | View Details |
| – |
The microwave emits a crackling or arcing sound inside the cavity; visible sparks may appear.
|
Cavity Arcing / Waveguide Contamination | View Details |
| – |
The microwave emits a strong burning or electrical smell during or after use.
|
Overheating Component or Cavity Contamination | View Details |
| – |
The microwave exterior gets very hot to the touch during normal use.
|
Inadequate Ventilation / Cooling System Issue | View Details |
| – |
The microwave fan continues to run for a very long time after cooking has finished.
|
Cooling Fan Overrun / Control Logic Issue | View Details |
| – |
The microwave interior light and fan run when the door is closed, even without pressing START.
|
Stuck Relay or Shorted Control Circuit | View Details |
| – |
The microwave interior light does not turn on, but heating and the turntable work normally.
|
Cavity Lamp Failure | View Details |
| – |
The microwave interior paint is peeling, or rust is visible inside the cavity.
|
Cavity Coating Degradation | View Details |
| – |
The microwave is excessively noisy, with rattling or grinding sounds during operation.
|
Mechanical Vibration / Fan or Turntable Noise | View Details |
| – |
The microwave keypad buttons are unresponsive or require very hard presses.
|
Worn Keypad Membrane | View Details |
| – |
The microwave leaks water or condensation onto the countertop or inside the door.
|
Condensation Management / Door Seal Issue | View Details |
| – |
The microwave makes a loud buzzing or humming noise when heating, louder than usual.
|
High Voltage Transformer or Magnetron Noise | View Details |
| – |
The microwave produces radio or Wi-Fi interference when operating.
|
EMI Suppression / Shielding Issue | View Details |
| – |
The microwave randomly starts beeping or flashing without user input.
|
Control Panel Sensitivity / Electrical Noise | View Details |
| – |
The microwave runs for a few seconds, then stops and resets to the clock without heating.
|
Intermittent Door Switch or Overheat Protection Trip | View Details |
| – |
The microwave trips the household circuit breaker or blows the fuse when starting a cooking cycle.
|
Short Circuit / Overcurrent on Start | View Details |
| – |
The turntable does not rotate, but the microwave heats food unevenly; no error code is displayed.
|
Turntable Drive Failure | View Details |
No matching codes found
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