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Precautions To Be Observed When Troubleshooting - KitchenAid KOMS155MBL Technical Education

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PRECAUTIONS TO BE OBSERVED WHEN TROUBLESHOOTING

The microwave oven is a high voltage, high
current appliance. It is free from danger during
ordinary use, but extreme care should be taken
during repair.
CAUTION
Service technicians should remove their
watches whenever working close to or re-
placing the magnetron.
WARNING
DISCHARGING HIGH
VOLTAGE CAPACITORS
For about 30 seconds after the oven is
turned off, an electric charge remains in the
high voltage capacitor.
When replacing or checking parts, remove
the power plug from the outlet. Use a
20,000Ω, 2 watt resistor, and short the ca-
pacitor terminal to chassis ground to dis-
charge it. Be sure to touch the chassis ground
first, and then touch the capacitor terminal.
Never touch any circuit wiring with your
hand, or with an insulated tool during opera-
tion.
Never insert a wire, nail, or any other metal
object through the lamp holes on the cavity,
or any other holes or gaps. Doing so may act
as an antenna, and cause microwave leak-
age.
Before touching any oven components or
wiring, always unplug the oven from its
power source, and discharge the capaci-
tors in the high voltage section of the mi-
crowave oven.
1-7
WARNING
WARNING
WARNING

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