E19
Blomberg Combination Mode Power Management Error

Microwave shows E19 and stops when using combination microwave+grill or microwave+convection modes.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Overload on shared power circuit,Defective combination mode relay,Control board firmware issue,Overheating of internal wiring harness

How to Fix / Troubleshooting

Safety: Unplug the microwave before internal inspection. Combination modes draw high power.

User checks:

  • 1. Reduce load: Avoid using maximum power combination modes for extended periods. Try a lower power level or shorter cooking time.
  • 2. Ensure ventilation: Make sure vents are clear to prevent internal overheating.
  • 3. Power reset: Unplug for 10 minutes and test again.

Advanced steps:

  • 4. Inspect wiring: Check internal wiring harnesses around the grill and magnetron circuits for signs of overheating or discoloration.
  • 5. Check relays: On the control board, inspect the relays that switch grill and magnetron power. Burned or sticking relays may cause E19.
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Repair Difficulty

Hard 4/5

Required Part

Combination Mode Relay (on Control Board)
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