Microwave grill service — if grill mode not working, common cause: burnt grill heating element. Simple visual test — if element doesn't turn red, it's burnt.
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 Grill not working — ranked from most to least common.
Burnt grill heating element (most common)
Bad grill switch
Control board issue in grill mode
Disconnected grill element cable
Grease buildup insulating element
Weak cooling fan = grill shuts off from overheat
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.