5-11
THERMAL FUSE
Refer to page 4-45 for the procedure for ser-
vicing the thermal fuse.
Electric Dryers:
The thermal fuse is wired in
series with the drive motor. If the thermal fuse
opens, 91
°
C (196
°
F), power to the motor is
turned off. A centrifugal switch on the motor
also opens the heater circuit.
Once the thermal fuse has opened, it will not
reset, and must be replaced. Check for a failed
operating thermostat, or a shorted heater ele-
ment.
Gas Dryers:
The thermal fuse is wired in
series with the gas valve. If the thermal fuse
opens, 91
°
C (196
°
F), power to the valve is
turned off. A centrifugal switch on the motor
also opens the heater circuit.
Once the thermal fuse has opened, it will not
reset, and must be replaced. Check for a failed
operating thermostat.
Blower
Housing
Thermal Fuse
91
°
C (196
°
F)
1. Unplug dryer or disconnect power.
2. Turn off gas supply to dryer.
3. Disconnect the wires from the thermal fuse.
4. Set the ohmmeter to the R X 1 scale.
5. Touch the ohmmeter test leads to the ther-
mal fuse terminals. The meter should indi-
cate continuity (0
Ω
). If the meter indicates
an open circuit (infinite), replace the ther-
mal fuse.
WARNING
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical shock.
Содержание ADVANTECH CAE2761K
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