Safety first: Unplug the microwave before inspecting the mains input. Mains voltage is dangerous.

Step 1 – Check wall outlet: Test the socket with another appliance to rule out a loose or faulty outlet.
Step 2 – Inspect power cord: Look for cuts, kinks, or burn marks along the cord. If damaged, the cord must be replaced by a qualified technician.
Step 3 – Access mains filter (advanced): Remove the outer cabinet and locate the mains input filter module. Check that all spade connectors are tight and that there are no signs of overheating.
Step 4 – Check fuse and holder: Inspect the main fuse and its holder for signs of arcing or looseness. Replace the fuse only with the exact type and rating specified by Indesit.
Step 5 – Replace faulty filter or cord: If the filter is cracked, burnt, or tests faulty, replace it with the correct Indesit part. A damaged cord must also be replaced.

Warning: Do not bypass the mains filter or use incorrect fuses; this is a fire and shock hazard.

Microwave displays F15 and the clock resets intermittently or the unit loses power briefly during operation.

Possible Causes