Microwave display works and timer counts down, but the unit stops intermittently or resets during cooking.

Safety first: Unplug the microwave before removing covers.

• Step 1 – Check plug and socket: Ensure the plug fits tightly in the socket and that there is no movement that could interrupt power.
• Step 2 – Avoid extension leads: Plug the microwave directly into a wall outlet to rule out poor connections in extension cords.
• Step 3 – Inspect internal connections (advanced): Remove the outer cabinet and check the mains input, filter, and control board connectors for looseness or signs of arcing.
• Step 4 – Check for overheating: Look for discoloured areas on the control board or around the low‑voltage power supply components.
• Step 5 – Replace faulty parts: Tighten or replace any loose connectors. If the control board power supply is unstable, replace the main PCB.

Tip: Intermittent faults can be difficult to trace; observing when resets occur (e.g., only on high power) can help diagnosis.