Microwave not heating service — most common fault. If plate spins and light works but food stays cold, magnetron is burnt in most cases.
See if any of these signs match your device — each one increases the likelihood of this fault.
These are the causes we encounter while repairing Microwave running but not heating — ranked from most to least common.
Burnt magnetron (most common - 50%)
Burnt high voltage fuse (15%)
Burnt high voltage diode
Bad high voltage capacitor
Bad high voltage transformer (rare)
Bad door switches (microwave spins but doesn't heat)
Burnt magnetron coil
Any of the following = a danger signal — call now and don't try to fix it yourself.
On-site diagnosis, clear pricing before any work, and a documented 6-month warranty.