what should i check when my microwave interior light stops working?
if the microwave interior no longer lights when it used to, check when the manual says the light should operate. a lamp fault is possible, but a dark display or heating problem needs a broader service check.
some models do not leave the light on with the door open. note behaviour you have already observed; never run the microwave empty just to test its lamp. read an accessible model label or use the appliance paperwork rather than pulling out a built-in unit.
the linked guide helps you arrange internal lamp assessment by a qualified microwave technician. keep the cabinet closed even when unplugged, because dangerous stored charge can remain. the lamp options have different bases and straight, flat or l-shaped terminal arrangements. they must be matched by the technician to the exact appliance and old assembly, not adapted or selected just because the wattage seems similar.
first checks
- check normal lamp operation
read the model's operating instructions and record when the light no longer comes on, together with any other fault.
- prepare accessible identification
use the full model and suffix from an accessible label or paperwork. do not remove covers or move an installed microwave.
solutions
diy warning
working on appliances can involve mains electricity, water and moving parts. always disconnect power and water before you start. in Australia, gas work must be done by a licensed gasfitter, and fixed (hard-wired) electrical work by a licensed electrician. everything on this site is guidance only, and any repair you carry out is at your own risk. we are not responsible for any damage or injury caused by attempting a repair. if you are not confident, please use a qualified technician.
