Panasonic NN-CT641M Service Manual page 29

(TROUBLE 8) Convection
CONDITION
Convection Heater
operating.
is not
Lower tempera-
ture the oven.
NOTE: * Make sure the wore leads correct position.
* When removing the wire leads from parts be sure to grasp the connector not the wires.
* When removing the magnetron, be sure to install the magnetron gasket in the correct position and in
good condition.
CHECK
Heater.
Thermostat and
relay3.(Convection)
Wire connection.
Heater.
Thermostat and
relay3. ( Convection )
Convection
Fan motor
RESULT
Abnormal.
Normal.
Abnormal.
Normal.
No continuity.
Abnormal.
Normal.
Abnormal.
Normal.
Abnormal.
5-18
CAUSE
Malfunction the
heater.
Malfunction the
thermostat.
Open or loosen.
Malfunction the
heater.
Malfunction the
thermostat.
Malfunction the
thermostat.
REMEDY
Replace.
Replace.
Replace or
connect tightly.
Replace.
Replace.
Replace.