H98
Proline
Inverter / Magnetron Protection Trip
Microwave immediately stops when START is pressed and shows H98; no heating occurs.
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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
Shorted magnetron, Internal inverter fault, Overcurrent detected in HV circuit, Damaged wiring between inverter and magnetron
How to Fix / Troubleshooting
Critical safety warning: High-voltage inverter circuits are extremely dangerous. Do not open the cabinet or attempt DIY repair.
User-level steps:
- Unplug the microwave for 10 minutes, then plug back in and test once more.
- If H98 reappears, do not continue using the appliance.
- Contact a qualified technician to diagnose the magnetron and inverter module.
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Repair Difficulty
Professional Required
5/5
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