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SR-GA281 / SR-GA421 / SR-GA721
C. Thermal Fuse
The thermal fuse is used to open the circuit to the cooking heater when the temperature has gone unusually
high. This happens in cases such as incomplete contact between the heater and pan or if the switch button
is forced to stay on keeping the heater energized abnormally.
This fuse is not a resetting device and must be replaced after openning.
Whenever replacing the fuse make sure the protective cover is placed over all exposed wiring.
Cause of Fusion
A. Improper contact between heater and pan
Foreign matter adhering.
Remove foreign matter by
of (-) screw-driver, etc.,
and then polish with = 320
water paper while wetting
it with water.
B. Forced application of current
Chopstick, wooden piece,
etc., inserted onto cooking
button. (continuous appli-
cation of current)
Inserted to prevent earlier
turning off? Refer to cause
in (A) above.
When fusion takes place, check the cause, set right the faulty section and be sure to use the replacement
parts.
Pan collar or deformed
Body dented or deformed.
Repair or replace body.
Switch lever deformed or
maladjusted, causing
continuous application of
current.
Repair or replace parts.
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Pan bottom dented or
deformed.
Replace pan.
Heater surface deformed
or corroded.
Replace cooking heater.
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