55
Components
Magnetron Thermostat 1 and 2
The bimetal is mounted on the Magnetron chassis as
shown in picture. This device is utilized to monitor the
magnetron temperature to prevent the magnetron
from overheating. These thermostats are self re-
setting. When the temperature in the Magnetron
exceeds 302°F/150°C, the thermostat will open its
contacts, cutting power to the microwave circuit.
When the magnetron cools, the contacts will reset and
close.
Magnetron Thermostat Test
1) Unplug the oven and remove both side and top
panels.
2) Disconnect the thermostat wires and measure the
continuity between the terminals of the thermostat,
as show in the picture.
• If continuity is present, the thermostat is good.
• If no continuity is present, replace the
thermostat.
20 Amp Fuses
The 20-amp fuses are utilized to protect each
microwave circuit from over-current. Both fuses are
located inside a fuse terminal as shown in the pictures.
20 Amp Fuse Test
1) Unplug the oven remove the right-side panel.
2) Push down on the fuse holder and remove the
20A fuse.
3) Check continuity on fuse from one end to the
other (do not set fuse on metal table).
• If fuse has no continuity, replace fuse.
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