Check for defective safety switches, and replace as necessary. It is rare,
but there may be a short in the power supply, or the HV section.

Take care that these are extremely dangerous to service yourself, unless you
really know what you are doing. As for replacing the safety switches, use
the origional manufacture parts only, and make sure you know how to adjust
their placement. Check for the proper tollerance of how the door seats, and
that the play in the hinges is correct.

After replacing any components, especialy around the door area, it is
strongly recomended to take measurments for any possible radiation leakage,
in case the door may not be seating properly. If the door has been slammed
so hard to damage the switches, a radiation leakage test would be in good
order.

I would recomend that you take the unit to an authorized service center
where they service microwave ovens, for proper and safe service, unless you
are properly trained, equiped, and are experienced in this type of service
work. The microwave oven is the number one dangerous appliance in the home.
The next ones down are the TV set, and the computer monitor.

As for microwave radiation, at low levels this is not able to be felt, but
damage may be done to anyone within its range. There are numerous safety
articles about this. http://www.fda.gov/cdrh/consumer/microwave.html

--

Jerry G.
======


"Pat" wrote in message
news:a9omd.617800$8_6.3758@attbi_s04...
My Sharp convection microwave (model R-9H66) trips the circuit breaker
everytime it's turned on. It started doing this after its door was
slammed
shut by someone. It's obviously shorting somewhere when turned on, and
I
took the outer housing off to look at the wiring to see if there was
anything obvious,but didn't notice anything.

Does anyone have any idea what might be wrong or what to look for? It was
a
fairly expensive unit when I bought it 6 years ago, and I'd hate to just
through it away, especially if it turns out to be something relatively
easy
to repair.

Thanks for any help. I appreciate it.

Pat