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SR-GA421/SR-GA281/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 buttons 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 contract between heater and pan
2.
FUNCTION OF CENTER THERMOSTAT AND THERMALFUSE
[B] Forced application of current
Cause
Pan collar or deformed
Foreign matter adhering Body dented or deformed Pan bottom dented or
deformed
Heater surface deformed
or corroded
Remedy
Remove foreign matter
by of (-) screw-driver,
etc., and then polish with
= 320 water paper while
wetting it with water.
Repair or replace body.
Replace pan. Replace cooking heater.
Cause
Chopstick, wooden
piece, etc. inserted onto
cooking button. (continu-
ous application of current)
Switch lever deformed
or maladjusted, causing
continuous application of
current.
Remedy
Inserted to prevent ear-
lier turning off? Refer to
cause in (a) above.
Repair or replace parts.
When fusion takes place, check the cause, set right the faulty section, and be sure to use
replacement parts.