Miele Oven & Range Error Code Err 49

• Oven will not heat or maintain temperature
• Temperature display shows incorrect readings
• Oven cycles on and off repeatedly during cooking
• Control panel may be unresponsive to temperature adjustments
• Heating elements may not activate
• Error code persists even after closing and reopening the oven door
• Cooking results are inconsistent or food cooks unevenly

• Faulty temperature sensor (RTD or thermistor) that has failed or become disconnected
• Loose or corroded electrical connections between the control board and heating elements
• Damaged wiring harness inside the oven cavity
• Malfunctioning electronic control module or circuit board
• Failed relay or contactor that controls 240V power to heating elements
• Software glitch in the oven's control system requiring a reset
• Moisture or condensation damage to internal electrical components
• Power supply instability or voltage fluctuation on the 240V circuit (common in older USA homes)

• Verify the circuit breaker supplying the oven has not tripped; check your electrical panel and reset if necessary
• Ensure the oven door is fully closed and latches completely without resistance
• Review the control panel settings to confirm the oven is set to the correct cooking mode
• Allow the oven to cool completely for at least 30 minutes before attempting to use it again
• Check that the area around the oven has proper ventilation and is not blocked by cabinets or objects
• Perform a full system reset: Turn off the dedicated circuit breaker for the oven for 60 seconds, then turn it back on
• Listen for any unusual sounds when the oven attempts to heat; note if you hear clicking or humming
• If the error clears after reset but returns, document when it occurs (specific cooking modes or temperatures) for service reference