Microwave shows E5 and stops heating; display and timer may still function.

Danger: High-voltage components inside a microwave can store thousands of volts even when unplugged. Only trained technicians should service the high-voltage circuit.

User-level actions:

• Unplug the microwave and leave it disconnected.
• Do not attempt to open the cabinet or access internal high-voltage parts unless you are qualified and have proper tools and procedures for safely discharging the capacitor.
• If the unit repeatedly shows E5 and does not heat, discontinue use to avoid further damage.

Technician-level actions (for reference only):

• Discharge the high-voltage capacitor safely.
• Test the high-voltage diode, capacitor, magnetron, and transformer for shorts/opens and replace defective components with Hamilton Beach-compatible parts.

Recommendation: Contact a qualified appliance repair technician or consider replacement if the microwave is low-cost and out of warranty, as high-voltage repairs can approach the cost of a new unit.